Merge branch 'master' into down-integrate

author: Adam Cozzette <acozzette@google.com> 2017-12-01 10:05:19 -0800
committer: Adam Cozzette <acozzette@google.com> 2017-12-01 10:05:19 -0800
commit: 0ba8eea655a5e40d19ab95c773192b5d908c5a61 (patch)
tree: 4c2c97ade1ab197d361c146bacae5adde55986bf
parent: 92a7e778e7394386f413cec28d67a07630f784b1 (diff)
parent: a711e3d5b4ee1dd7f9d21197dca8432a5819a64e (diff)
135 files changed, 2910 insertions, 5818 deletions
diff --git a/.travis.yml b/.travis.yml
index e7853ebe..4cfc5bf0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,55 +1,65 @@
-sudo: required
-dist: trusty
-# Note: travis currently does not support listing more than one language so
-# this cheats and claims to only be cpp.  If they add multiple language
-# support, this should probably get updated to install steps and/or
-# rvm/gemfile/jdk/etc. entries rather than manually doing the work.
+# Everything is driven by the test.sh, so the language doesn't really
+# matter, it just controls the default install/script/etc. steps on
+# travis.
 language: cpp
-os:
-  - osx
-# The Objective C build needs Xcode 7.0 or later.
-osx_image: xcode8.3
-script:
-  - ./tests.sh $CONFIG
-env:
-  - CONFIG=cpp
-  - CONFIG=cpp_distcheck
-  - CONFIG=golang
-  - CONFIG=java_jdk7
-  - CONFIG=java_oracle7
-  - CONFIG=javanano_jdk7
-  - CONFIG=javanano_oracle7
-  - CONFIG=javascript
-  # iOS build log was starting to choke travis UI, so split to cover the
-  # Xcode Debug and Release Configurations independently.
-  - CONFIG=objectivec_ios_debug
-  - CONFIG=objectivec_ios_release
-  - CONFIG=objectivec_osx
-  - CONFIG=objectivec_cocoapods_integration
-  - CONFIG=python
-  - CONFIG=python_cpp
-  - CONFIG=ruby21
-  - CONFIG=ruby22
-  - CONFIG=jruby
-  - CONFIG=php5.6_mac
-  - CONFIG=php7.0_mac
+script: ./tests.sh $CONFIG
+
+# The test matrix is manually built to cover a mix of linux and macOS
+# hosted setups; this lets some extra settings be done specific to each
+# host/language instead of forcing common values on all the tests.
 matrix:
-  exclude:
-    # It's nontrivial to programmatically install a new JDK from the command
-    # line on OS X, so we rely on testing on Linux for Java code.
+  include:
+    # -----------------------------------------------------------------
+    # macOS hosted tests for Objective-C
+
+    - os: osx
+      env: CONFIG=objectivec_osx
+      osx_image: xcode9.1
+      language: objective-c
+    # iOS build log was starting to choke travis UI, so split to cover the
+    # Xcode Debug and Release Configurations independently.
     - os: osx
-      env: CONFIG=java_jdk7
+      env: CONFIG=objectivec_ios_debug
+      osx_image: xcode9.1
+      language: objective-c
     - os: osx
-      env: CONFIG=java_oracle7
+      env: CONFIG=objectivec_ios_release
+      osx_image: xcode9.1
+      language: objective-c
     - os: osx
-      env: CONFIG=javanano_jdk7
+      env: CONFIG=objectivec_cocoapods_integration
+      osx_image: xcode9.1
+      language: objective-c
+
+    # -----------------------------------------------------------------
+    # macOS hosted tests for other languages.
+
     - os: osx
-      env: CONFIG=javanano_oracle7
-    # Requires installing golang, currently travis.sh is doing that with apt-get
-    # which doesn't work on OS X.
+      env: CONFIG=cpp
     - os: osx
-      env: CONFIG=golang
-  include:
+      env: CONFIG=cpp_distcheck
+    - os: osx
+      env: CONFIG=javascript
+    - os: osx
+      env: CONFIG=python
+    - os: osx
+      env: CONFIG=python_cpp
+    - os: osx
+      env: CONFIG=php5.6_mac
+      # Xcode versions force a host version of macOS:
+      #   https://docs.travis-ci.com/user/reference/osx/#OS-X-Version
+      # Force macOS 10.12, the default travis image is going to be
+      # updated "soon", at which point this came come out:
+      #   https://blog.travis-ci.com/2017-10-16-a-new-default-os-x-image-is-coming
+      osx_image: xcode8.3
+    - os: osx
+      env: CONFIG=php7.0_mac
+      # Same note about macOS version as on the php5.6_mac config.
+      osx_image: xcode8.3
+
+    # -----------------------------------------------------------------
+    # Linux hosted tests
+
     # The dotnet environment requires Ubuntu 14.04 or 16.04. This
     # configuration is effectively an "extra" one, outside the
     # autogenerated matrix.
@@ -57,7 +67,8 @@ matrix:
       env: CONFIG=csharp
       language: csharp
       dist: trusty
-      dotnet: 1.0.1
+      sudo: required
+      dotnet: 1.0.4
       mono: none
     # This test is kept on travis because it doesn't play nicely with other
     # tests on jenkins running in parallel.
@@ -67,25 +78,14 @@ matrix:
     # fetch pre-built Linux protoc binaries in the test.
     - os: linux
       env: CONFIG=java_compatibility
+      sudo: required
+      dist: trusty
     # The Python compatibility test currently only runs on Linux because it will
     # fetch pre-built Linux protoc binaries in the test.
     - os: linux
       env: CONFIG=python_compatibility
-  allow_failures:
-    # These currently do not work on OS X but are being worked on by @haberman.
-    - os: osx
-      env: CONFIG=ruby22
-    - os: osx
-      env: CONFIG=jruby
-    # https://github.com/google/protobuf/issues/1253 - Started failing when
-    # we moved to an OS X image that is 10.11.
-    - os: osx
-      env: CONFIG=python_cpp
-    # Mark the iOS test as flakey as xcodebuild some times fails to start the
-    # iOS Simulator.
-    - os: osx
-      env: CONFIG=objectivec_ios_debug
-    - os: osx
-      env: CONFIG=objectivec_ios_release
+      sudo: required
+      dist: trusty
+
 notifications:
   email: false
diff --git a/BUILD b/BUILD
index bcaf9cd5..9c8fd864 100644
--- a/BUILD
+++ b/BUILD
@@ -24,6 +24,8 @@ COPTS = select({
         "-Woverloaded-virtual",
         "-Wno-sign-compare",
         "-Wno-unused-function",
+        # Prevents ISO C++ const string assignment warnings for pyext sources.
+        "-Wno-writable-strings",
     ],
 })
 
diff --git a/CHANGES.txt b/CHANGES.txt
index c83da2d6..ea3252bb 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,79 @@
+2017-11-13 version 3.5.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
+  Planned Future Changes
+  * Make C++ implementation C++11 only: we plan to require C++11 to build
+    protobuf code starting from 3.6.0 release. Please join this github issue:
+    https://github.com/google/protobuf/issues/2780 to provide your feedback.
+
+  General
+  * Unknown fields are now preserved in proto3 for most of the language
+    implementations for proto3 by default. See the per-language section for
+    details.
+  * reserve keyword are now supported in enums
+
+  C++
+  * Proto3 messages are now preserving unknown fields by default. If you rely on
+    unknowns fields being dropped. Please use DiscardUnknownFields() explicitly.
+  * Deprecated the unsafe_arena_release_* and unsafe_arena_add_allocated_*
+    methods for string fields.
+  * Added move constructor and move assignment to RepeatedField,
+    RepeatedPtrField and google::protobuf::Any.
+  * Added perfect forwarding in Arena::CreateMessage
+  * In-progress experimental support for implicit weak fields with lite protos.
+    This feature allows the linker to strip out more unused messages and reduce
+    binary size.
+  * Various performance optimizations.
+
+  Java
+  * Proto3 messages are now preserving unknown fields by default. If you’d like
+    to drop unknown fields, please use the DiscardUnknownFieldsParser API. For
+    example:
+      Parser<Foo> parser = DiscardUnknownFieldsParser.wrap(Foo.parser());
+      Foo foo = parser.parseFrom(input);
+  * Added a new CodedInputStream decoder for Iterable<ByteBuffer> with direct
+    ByteBuffers.
+  * TextFormat now prints unknown length-delimited fields as messages if
+    possible.
+  * FieldMaskUtil.merge() no longer creates unnecessary empty messages when a
+    message field is unset in both source message and destination message.
+  * Various performance optimizations.
+
+  Python
+  * Proto3 messages are now preserving unknown fields by default. Use
+    message.DiscardUnknownFields() to drop unknown fields.
+  * Add FieldDescriptor.file in generated code.
+  * Add descriptor pool FindOneofByName in pure python.
+  * Change unknown enum values into unknown field set .
+  * Add more Python dict/list compatibility for Struct/ListValue.
+  * Add utf-8 support for text_format.Merge()/Parse().
+  * Support numeric unknown enum values for proto3 JSON format.
+  * Add warning for Unexpected end-group tag in cpp extension.
+
+  PHP
+  * Proto3 messages are now preserving unknown fields.
+  * Provide well known type messages in runtime.
+  * Add prefix ‘PB’ to generated class of reserved names.
+  * Fixed all conformance tests for encode/decode json in php runtime. C
+    extension needs more work.
+
+  Objective-C
+  * Fixed some issues around copying of messages with unknown fields and then
+    mutating the unknown fields in the copy.
+
+  C#
+  * Added unknown field support in JsonParser.
+  * Fixed oneof message field merge.
+  * Simplify parsing messages from array slices.
+
+  Ruby
+  * Unknown fields are now preserved by default.
+  * Fixed several bugs for segment fault.
+
+  Javascript
+  * Decoder can handle both paced and unpacked data no matter how the proto is
+    defined.
+  * Decoder now accept long varint for 32 bit integers.
+
+
 2017-08-14 version 3.4.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
   Planned Future Changes
   * There are some changes that are not included in this release but are planned
@@ -92,7 +168,7 @@
   * Note: AppEngine 2.5 is deprecated on June 2017 that AppEngine 2.5 will
     never update protobuf runtime. Users who depend on AppEngine 2.5 should use
     old protoc.
-  
+
   PHP
   * Support PHP generic services. Specify file option php_generic_service=true
     to enable generating service interface.
diff --git a/Makefile.am b/Makefile.am
index cd1cfc3e..0a1acdd6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -61,8 +61,13 @@ csharp_EXTRA_DIST=                                                           \
   csharp/keys/Google.Protobuf.public.snk                                     \
   csharp/keys/Google.Protobuf.snk                                            \
   csharp/keys/README.md                                                      \
+  csharp/protos/README.md                                                    \
+  csharp/protos/map_unittest_proto3.proto                                    \
   csharp/protos/unittest_custom_options_proto3.proto                         \
+  csharp/protos/unittest_import_public_proto3.proto                          \
+  csharp/protos/unittest_import_proto3.proto                                 \
   csharp/protos/unittest_issues.proto                                        \
+  csharp/protos/unittest_proto3.proto                                        \
   csharp/src/AddressBook/AddPerson.cs                                        \
   csharp/src/AddressBook/Addressbook.cs                                      \
   csharp/src/AddressBook/AddressBook.csproj                                  \
@@ -281,6 +286,7 @@ java_EXTRA_DIST=
   java/core/src/test/java/com/google/protobuf/CheckUtf8Test.java                   \
   java/core/src/test/java/com/google/protobuf/CodedInputStreamTest.java            \
   java/core/src/test/java/com/google/protobuf/CodedOutputStreamTest.java           \
+  java/core/src/test/java/com/google/protobuf/DecodeUtf8Test.java                  \
   java/core/src/test/java/com/google/protobuf/DeprecatedFieldTest.java             \
   java/core/src/test/java/com/google/protobuf/DescriptorsTest.java                 \
   java/core/src/test/java/com/google/protobuf/DiscardUnknownFieldsTest.java        \
@@ -553,15 +559,20 @@ objectivec_EXTRA_DIST=                                                       \
   objectivec/Tests/GPBWireFormatTests.m                                      \
   objectivec/Tests/iOSTestHarness/AppDelegate.m                              \
   objectivec/Tests/iOSTestHarness/en.lproj/InfoPlist.strings                 \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json      \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6.png          \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6_2x.png       \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7.png          \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7_2x.png       \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6.png        \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6_2x.png     \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_2x.png     \
-  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_3x.png     \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_20.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_29.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_40.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_58.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_60.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_76.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_80.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_87.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_120.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_152.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_167.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_180.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_1024.png \
+  objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json \
   objectivec/Tests/iOSTestHarness/Images.xcassets/LaunchImage.launchimage/Contents.json \
   objectivec/Tests/iOSTestHarness/Info.plist                                  \
   objectivec/Tests/iOSTestHarness/LaunchScreen.xib                            \
diff --git a/Protobuf.podspec b/Protobuf.podspec
index d559d18a..b65ac43c 100644
--- a/Protobuf.podspec
+++ b/Protobuf.podspec
@@ -5,7 +5,7 @@
 # dependent projects use the :git notation to refer to the library.
 Pod::Spec.new do |s|
   s.name     = 'Protobuf'
-  s.version  = '3.4.1'
+  s.version  = '3.5.0'
   s.summary  = 'Protocol Buffers v.3 runtime library for Objective-C.'
   s.homepage = 'https://github.com/google/protobuf'
   s.license  = '3-Clause BSD License'
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index f159f60e..2351392d 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -14,6 +14,7 @@ project(protobuf C CXX)
 # Options
 option(protobuf_BUILD_TESTS "Build tests" ON)
 option(protobuf_BUILD_EXAMPLES "Build examples" OFF)
+option(protobuf_BUILD_PROTOC_BINARIES "Build libprotoc and protoc compiler" ON)
 if (BUILD_SHARED_LIBS)
   set(protobuf_BUILD_SHARED_LIBS_DEFAULT ON)
 else (BUILD_SHARED_LIBS)
@@ -184,8 +185,10 @@ endif (protobuf_UNICODE)
 
 include(libprotobuf-lite.cmake)
 include(libprotobuf.cmake)
-include(libprotoc.cmake)
-include(protoc.cmake)
+if (protobuf_BUILD_PROTOC_BINARIES)
+  include(libprotoc.cmake)
+  include(protoc.cmake)
+endif (protobuf_BUILD_PROTOC_BINARIES)
 
 if (protobuf_BUILD_TESTS)
   include(tests.cmake)
diff --git a/cmake/extract_includes.bat.in b/cmake/extract_includes.bat.in
index deb6de3b..5212d00a 100644
--- a/cmake/extract_includes.bat.in
+++ b/cmake/extract_includes.bat.in
@@ -83,7 +83,6 @@ copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops.h" in
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm64_gcc.h" include\google\protobuf\stubs\atomicops_internals_arm64_gcc.h
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm_gcc.h" include\google\protobuf\stubs\atomicops_internals_arm_gcc.h
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_arm_qnx.h" include\google\protobuf\stubs\atomicops_internals_arm_qnx.h
-copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_atomicword_compat.h" include\google\protobuf\stubs\atomicops_internals_atomicword_compat.h
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_generic_c11_atomic.h" include\google\protobuf\stubs\atomicops_internals_generic_c11_atomic.h
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_generic_gcc.h" include\google\protobuf\stubs\atomicops_internals_generic_gcc.h
 copy "${PROTOBUF_SOURCE_WIN32_PATH}\..\src\google\protobuf\stubs\atomicops_internals_mips_gcc.h" include\google\protobuf\stubs\atomicops_internals_mips_gcc.h
diff --git a/cmake/install.cmake b/cmake/install.cmake
index 441bf553..82036cb6 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -5,10 +5,12 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/protobuf.pc.cmake
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/protobuf-lite.pc.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/protobuf-lite.pc @ONLY)
 
-foreach(_library
-  libprotobuf-lite
-  libprotobuf
-  libprotoc)
+set(_protobuf_libraries libprotobuf-lite libprotobuf)
+if (protobuf_BUILD_PROTOC_BINARIES)
+    list(APPEND _protobuf_libraries libprotoc)
+endif (protobuf_BUILD_PROTOC_BINARIES)
+
+foreach(_library ${_protobuf_libraries})
   set_property(TARGET ${_library}
     PROPERTY INTERFACE_INCLUDE_DIRECTORIES
     $<BUILD_INTERFACE:${protobuf_source_dir}/src>
@@ -19,8 +21,10 @@ foreach(_library
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT ${_library})
 endforeach()
 
-install(TARGETS protoc EXPORT protobuf-targets
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT protoc)
+if (protobuf_BUILD_PROTOC_BINARIES)
+  install(TARGETS protoc EXPORT protobuf-targets
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT protoc)
+endif (protobuf_BUILD_PROTOC_BINARIES)
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/protobuf.pc ${CMAKE_CURRENT_BINARY_DIR}/protobuf-lite.pc DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 
@@ -101,10 +105,18 @@ configure_file(protobuf-options.cmake
   ${CMAKE_INSTALL_CMAKEDIR}/protobuf-options.cmake @ONLY)
 
 # Allows the build directory to be used as a find directory.
-export(TARGETS libprotobuf-lite libprotobuf libprotoc protoc
-  NAMESPACE protobuf::
-  FILE ${CMAKE_INSTALL_CMAKEDIR}/protobuf-targets.cmake
-)
+
+if (protobuf_BUILD_PROTOC_BINARIES)
+  export(TARGETS libprotobuf-lite libprotobuf libprotoc protoc
+    NAMESPACE protobuf::
+    FILE ${CMAKE_INSTALL_CMAKEDIR}/protobuf-targets.cmake
+  )
+else (protobuf_BUILD_PROTOC_BINARIES)
+  export(TARGETS libprotobuf-lite libprotobuf
+    NAMESPACE protobuf::
+    FILE ${CMAKE_INSTALL_CMAKEDIR}/protobuf-targets.cmake
+  )
+endif (protobuf_BUILD_PROTOC_BINARIES)
 
 install(EXPORT protobuf-targets
   DESTINATION "${CMAKE_INSTALL_CMAKEDIR}"
diff --git a/configure.ac b/configure.ac
index 0d3e5fb3..b035ca07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ AC_PREREQ(2.59)
 # In the SVN trunk, the version should always be the next anticipated release
 # version with the "-pre" suffix.  (We used to use "-SNAPSHOT" but this pushed
 # the size of one file name in the dist tarfile over the 99-char limit.)
-AC_INIT([Protocol Buffers],[3.4.1],[protobuf@googlegroups.com],[protobuf])
+AC_INIT([Protocol Buffers],[3.5.0],[protobuf@googlegroups.com],[protobuf])
 
 AM_MAINTAINER_MODE([enable])
 
@@ -52,6 +52,16 @@ AC_ARG_WITH([zlib],
     [include classes for streaming compressed data in and out @<:@default=check@:>@])],
   [],[with_zlib=check])
 
+AC_ARG_WITH([zlib-include],
+  [AS_HELP_STRING([--with-zlib-include=PATH],
+    [zlib include directory])],
+  [CPPFLAGS="-I$withval $CPPFLAGS"])
+
+AC_ARG_WITH([zlib-lib],
+  [AS_HELP_STRING([--with-zlib-lib=PATH],
+    [zlib lib directory])],
+  [LDFLAGS="-L$withval $LDFLAGS"])
+
 AC_ARG_WITH([protoc],
   [AS_HELP_STRING([--with-protoc=COMMAND],
     [use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])],
diff --git a/conformance/conformance_test.cc b/conformance/conformance_test.cc
index c54d4ccd..98c2eae4 100644
--- a/conformance/conformance_test.cc
+++ b/conformance/conformance_test.cc
@@ -1842,6 +1842,14 @@ bool ConformanceTestSuite::RunSuite(ConformanceTestRunner* runner,
         "optionalInt64": null,
         "optionalUint32": null,
         "optionalUint64": null,
+        "optionalSint32": null,
+        "optionalSint64": null,
+        "optionalFixed32": null,
+        "optionalFixed64": null,
+        "optionalSfixed32": null,
+        "optionalSfixed64": null,
+        "optionalFloat": null,
+        "optionalDouble": null,
         "optionalBool": null,
         "optionalString": null,
         "optionalBytes": null,
@@ -1851,6 +1859,14 @@ bool ConformanceTestSuite::RunSuite(ConformanceTestRunner* runner,
         "repeatedInt64": null,
         "repeatedUint32": null,
         "repeatedUint64": null,
+        "repeatedSint32": null,
+        "repeatedSint64": null,
+        "repeatedFixed32": null,
+        "repeatedFixed64": null,
+        "repeatedSfixed32": null,
+        "repeatedSfixed64": null,
+        "repeatedFloat": null,
+        "repeatedDouble": null,
         "repeatedBool": null,
         "repeatedString": null,
         "repeatedBytes": null,
diff --git a/csharp/Google.Protobuf.Tools.nuspec b/csharp/Google.Protobuf.Tools.nuspec
index 5b38241a..7cd9dc59 100644
--- a/csharp/Google.Protobuf.Tools.nuspec
+++ b/csharp/Google.Protobuf.Tools.nuspec
@@ -5,7 +5,7 @@
     <title>Google Protocol Buffers tools</title>
     <summary>Tools for Protocol Buffers - Google's data interchange format.</summary>
     <description>See project site for more info.</description>
-    <version>3.4.1</version>
+    <version>3.5.0</version>
     <authors>Google Inc.</authors>
     <owners>protobuf-packages</owners>
     <licenseUrl>https://github.com/google/protobuf/blob/master/LICENSE</licenseUrl>
diff --git a/csharp/generate_protos.sh b/csharp/generate_protos.sh
index d2f47479..5c748e35 100755
--- a/csharp/generate_protos.sh
+++ b/csharp/generate_protos.sh
@@ -3,7 +3,7 @@
 # You first need to make sure protoc has been built (see instructions on
 # building protoc in root of this repository)
 
-set -ex
+set -e
 
 # cd to repository root
 pushd $(dirname $0)/..
@@ -40,28 +40,20 @@ $PROTOC -Isrc --csharp_out=csharp/src/Google.Protobuf \
     src/google/protobuf/type.proto \
     src/google/protobuf/wrappers.proto
 
-# Test protos where the namespace matches the target location
-$PROTOC -Isrc --csharp_out=csharp/src/Google.Protobuf.Test \
-    --csharp_opt=base_namespace=Google.Protobuf \
-    src/google/protobuf/map_unittest_proto3.proto \
-    src/google/protobuf/unittest_proto3.proto \
-    src/google/protobuf/unittest_import_proto3.proto \
-    src/google/protobuf/unittest_import_public_proto3.proto \
-    src/google/protobuf/unittest_well_known_types.proto
-
-# Different base namespace to the protos above
-$PROTOC -Isrc -Icsharp/protos --csharp_out=csharp/src/Google.Protobuf.Test \
-    --csharp_opt=base_namespace=UnitTest.Issues \
+# Test protos
+$PROTOC -Isrc -Icsharp/protos \
+    --csharp_out=csharp/src/Google.Protobuf.Test/TestProtos \
+    csharp/protos/map_unittest_proto3.proto \
     csharp/protos/unittest_issues.proto \
-    csharp/protos/unittest_custom_options_proto3.proto
-
-# Don't specify a base namespace at all; we just want to make sure the
-# results end up in TestProtos.
-$PROTOC -Isrc --csharp_out=csharp/src/Google.Protobuf.Test/TestProtos \
+    csharp/protos/unittest_custom_options_proto3.proto \
+    csharp/protos/unittest_proto3.proto \
+    csharp/protos/unittest_import_proto3.proto \
+    csharp/protos/unittest_import_public_proto3.proto \
+    src/google/protobuf/unittest_well_known_types.proto \
     src/google/protobuf/test_messages_proto3.proto
 
 # AddressBook sample protos
-$PROTOC -Iexamples --csharp_out=csharp/src/AddressBook \
+$PROTOC -Iexamples -Isrc --csharp_out=csharp/src/AddressBook \
     examples/addressbook.proto
 
 $PROTOC -Iconformance -Isrc --csharp_out=csharp/src/Google.Protobuf.Conformance \
diff --git a/csharp/protos/README.md b/csharp/protos/README.md
new file mode 100644
index 00000000..bdd66fcf
--- /dev/null
+++ b/csharp/protos/README.md
@@ -0,0 +1,3 @@
+This directory contains unit test protos adapted from those in
+src/google/protobuf, and C#-specific test protos for regression
+tests against bugs found in the C# codegen or library.
diff --git a/src/google/protobuf/map_unittest_proto3.proto b/csharp/protos/map_unittest_proto3.proto
index 16be2773..e43e858b 100644
--- a/src/google/protobuf/map_unittest_proto3.proto
+++ b/csharp/protos/map_unittest_proto3.proto
@@ -36,15 +36,11 @@
 // required fields in proto3.
 syntax = "proto3";
 
-option cc_enable_arenas = true;
 option csharp_namespace = "Google.Protobuf.TestProtos";
 
-import "google/protobuf/unittest_proto3.proto";
+import "unittest_proto3.proto";
 
-// We don't put this in a package within proto2 because we need to make sure
-// that the generated code doesn't depend on being in the proto2 namespace.
-// In map_test_util.h we do "using namespace unittest = protobuf_unittest".
-package protobuf_unittest;
+package protobuf_unittest3;
 
 // Tests maps.
 message TestMap {
diff --git a/src/google/protobuf/unittest_import_proto3.proto b/csharp/protos/unittest_import_proto3.proto
index 59673eaf..2e666822 100644
--- a/src/google/protobuf/unittest_import_proto3.proto
+++ b/csharp/protos/unittest_import_proto3.proto
@@ -36,24 +36,12 @@
 
 syntax = "proto3";
 
-// We don't put this in a package within proto2 because we need to make sure
-// that the generated code doesn't depend on being in the proto2 namespace.
-// In test_util.h we do
-// "using namespace unittest_import = protobuf_unittest_import".
 package protobuf_unittest_import;
 
-option optimize_for = SPEED;
-option cc_enable_arenas = true;
-
-// Exercise the java_package option.
-option java_package = "com.google.protobuf.test";
 option csharp_namespace = "Google.Protobuf.TestProtos";
 
-// Do not set a java_outer_classname here to verify that Proto2 works without
-// one.
-
 // Test public import
-import public "google/protobuf/unittest_import_public_proto3.proto";
+import public "unittest_import_public_proto3.proto";
 
 message ImportMessage {
   int32 d = 1;
diff --git a/src/google/protobuf/unittest_import_public_proto3.proto b/csharp/protos/unittest_import_public_proto3.proto
index d6f11e28..88c20799 100644
--- a/src/google/protobuf/unittest_import_public_proto3.proto
+++ b/csharp/protos/unittest_import_public_proto3.proto
@@ -34,7 +34,6 @@ syntax = "proto3";
 
 package protobuf_unittest_import;
 
-option java_package = "com.google.protobuf.test";
 option csharp_namespace = "Google.Protobuf.TestProtos";
 
 message PublicImportMessage {
diff --git a/csharp/protos/unittest_issues.proto b/csharp/protos/unittest_issues.proto
index 332c81dc..0d8793e1 100644
--- a/csharp/protos/unittest_issues.proto
+++ b/csharp/protos/unittest_issues.proto
@@ -7,7 +7,6 @@ syntax = "proto3";
 option csharp_namespace = "UnitTest.Issues.TestProtos";
 
 package unittest_issues;
-option optimize_for = SPEED;
 
 // Issue 307: when generating doubly-nested types, any references
 // should be of the form A.Types.B.Types.C.
diff --git a/csharp/protos/unittest_proto3.proto b/csharp/protos/unittest_proto3.proto
new file mode 100644
index 00000000..d22265cc
--- /dev/null
+++ b/csharp/protos/unittest_proto3.proto
@@ -0,0 +1,379 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+//  Based on original Protocol Buffers design by
+//  Sanjay Ghemawat, Jeff Dean, and others.
+//
+// A proto file we will use for unit testing.
+
+syntax = "proto3";
+
+option csharp_namespace = "Google.Protobuf.TestProtos";
+
+// Only present so we can test that we can read it (as an example
+// of a non-C# option)
+option java_outer_classname = "UnittestProto";
+
+import "unittest_import_proto3.proto";
+
+package protobuf_unittest3;
+
+// This proto includes every type of field in both singular and repeated
+// forms.
+message TestAllTypes {
+  message NestedMessage {
+    // The field name "b" fails to compile in proto1 because it conflicts with
+    // a local variable named "b" in one of the generated methods.  Doh.
+    // This file needs to compile in proto1 to test backwards-compatibility.
+    int32 bb = 1;
+  }
+
+  enum NestedEnum {
+    NESTED_ENUM_UNSPECIFIED = 0;
+    FOO = 1;
+    BAR = 2;
+    BAZ = 3;
+    NEG = -1;  // Intentionally negative.
+  }
+
+  // Singular
+  int32 single_int32 = 1;
+  int64 single_int64 = 2;
+  uint32 single_uint32 = 3;
+  uint64 single_uint64 = 4;
+  sint32 single_sint32 = 5;
+  sint64 single_sint64 = 6;
+  fixed32 single_fixed32 = 7;
+  fixed64 single_fixed64 = 8;
+  sfixed32 single_sfixed32 = 9;
+  sfixed64 single_sfixed64 = 10;
+  float single_float = 11;
+  double single_double = 12;
+  bool single_bool = 13;
+  string single_string = 14;
+  bytes single_bytes = 15;
+
+  NestedMessage single_nested_message = 18;
+  ForeignMessage single_foreign_message = 19;
+  protobuf_unittest_import.ImportMessage single_import_message = 20;
+
+  NestedEnum single_nested_enum = 21;
+  ForeignEnum single_foreign_enum = 22;
+  protobuf_unittest_import.ImportEnum single_import_enum = 23;
+
+  // Defined in unittest_import_public.proto
+  protobuf_unittest_import.PublicImportMessage
+      single_public_import_message = 26;
+
+  // Repeated
+  repeated    int32 repeated_int32    = 31;
+  repeated    int64 repeated_int64    = 32;
+  repeated   uint32 repeated_uint32   = 33;
+  repeated   uint64 repeated_uint64   = 34;
+  repeated   sint32 repeated_sint32   = 35;
+  repeated   sint64 repeated_sint64   = 36;
+  repeated  fixed32 repeated_fixed32  = 37;
+  repeated  fixed64 repeated_fixed64  = 38;
+  repeated sfixed32 repeated_sfixed32 = 39;
+  repeated sfixed64 repeated_sfixed64 = 40;
+  repeated    float repeated_float    = 41;
+  repeated   double repeated_double   = 42;
+  repeated     bool repeated_bool     = 43;
+  repeated   string repeated_string   = 44;
+  repeated    bytes repeated_bytes    = 45;
+
+  repeated NestedMessage                        repeated_nested_message  = 48;
+  repeated ForeignMessage                       repeated_foreign_message = 49;
+  repeated protobuf_unittest_import.ImportMessage repeated_import_message  = 50;
+
+  repeated NestedEnum                           repeated_nested_enum     = 51;
+  repeated ForeignEnum                          repeated_foreign_enum    = 52;
+  repeated protobuf_unittest_import.ImportEnum    repeated_import_enum     = 53;
+  // Defined in unittest_import_public.proto
+  repeated protobuf_unittest_import.PublicImportMessage
+      repeated_public_import_message = 54;
+
+  // For oneof test
+  oneof oneof_field {
+    uint32 oneof_uint32 = 111;
+    NestedMessage oneof_nested_message = 112;
+    string oneof_string = 113;
+    bytes oneof_bytes = 114;
+  }
+}
+
+// This proto includes a recusively nested message.
+message NestedTestAllTypes {
+  NestedTestAllTypes child = 1;
+  TestAllTypes payload = 2;
+  repeated NestedTestAllTypes repeated_child = 3;
+}
+
+message TestDeprecatedFields {
+  int32 deprecated_int32 = 1 [deprecated=true];
+}
+
+// Define these after TestAllTypes to make sure the compiler can handle
+// that.
+message ForeignMessage {
+  int32 c = 1;
+}
+
+enum ForeignEnum {
+  FOREIGN_UNSPECIFIED = 0;
+  FOREIGN_FOO = 4;
+  FOREIGN_BAR = 5;
+  FOREIGN_BAZ = 6;
+}
+
+message TestReservedFields {
+  reserved 2, 15, 9 to 11;
+  reserved "bar", "baz";
+}
+
+
+// Test that we can use NestedMessage from outside TestAllTypes.
+message TestForeignNested {
+  TestAllTypes.NestedMessage foreign_nested = 1;
+}
+
+// Test that really large tag numbers don't break anything.
+message TestReallyLargeTagNumber {
+  // The largest possible tag number is 2^28 - 1, since the wire format uses
+  // three bits to communicate wire type.
+  int32 a = 1;
+  int32 bb = 268435455;
+}
+
+message TestRecursiveMessage {
+  TestRecursiveMessage a = 1;
+  int32 i = 2;
+}
+
+// Test that mutual recursion works.
+message TestMutualRecursionA {
+  TestMutualRecursionB bb = 1;
+}
+
+message TestMutualRecursionB {
+  TestMutualRecursionA a = 1;
+  int32 optional_int32 = 2;
+}
+
+message TestEnumAllowAlias {
+  TestEnumWithDupValue value = 1;
+}
+
+// Test an enum that has multiple values with the same number.
+enum TestEnumWithDupValue {
+  TEST_ENUM_WITH_DUP_VALUE_UNSPECIFIED = 0;
+  option allow_alias = true;
+
+  FOO1 = 1;
+  BAR1 = 2;
+  BAZ = 3;
+  FOO2 = 1;
+  BAR2 = 2;
+}
+
+// Test an enum with large, unordered values.
+enum TestSparseEnum {
+  TEST_SPARSE_ENUM_UNSPECIFIED = 0;
+  SPARSE_A = 123;
+  SPARSE_B = 62374;
+  SPARSE_C = 12589234;
+  SPARSE_D = -15;
+  SPARSE_E = -53452;
+  // In proto3, value 0 must be the first one specified
+  // SPARSE_F = 0;
+  SPARSE_G = 2;
+}
+
+// Test message with CamelCase field names.  This violates Protocol Buffer
+// standard style.
+message TestCamelCaseFieldNames {
+  int32 PrimitiveField = 1;
+  string StringField = 2;
+  ForeignEnum EnumField = 3;
+  ForeignMessage MessageField = 4;
+
+  repeated int32 RepeatedPrimitiveField = 7;
+  repeated string RepeatedStringField = 8;
+  repeated ForeignEnum RepeatedEnumField = 9;
+  repeated ForeignMessage RepeatedMessageField = 10;
+}
+
+
+// We list fields out of order, to ensure that we're using field number and not
+// field index to determine serialization order.
+message TestFieldOrderings {
+  string my_string = 11;
+  int64 my_int = 1;
+  float my_float = 101;
+  message NestedMessage {
+    int64 oo = 2;
+    // The field name "b" fails to compile in proto1 because it conflicts with
+    // a local variable named "b" in one of the generated methods.  Doh.
+    // This file needs to compile in proto1 to test backwards-compatibility.
+    int32 bb = 1;
+  }
+
+  NestedMessage single_nested_message  = 200;
+}
+
+message SparseEnumMessage {
+  TestSparseEnum sparse_enum = 1;
+}
+
+// Test String and Bytes: string is for valid UTF-8 strings
+message OneString {
+  string data = 1;
+}
+
+message MoreString {
+  repeated string data = 1;
+}
+
+message OneBytes {
+  bytes data = 1;
+}
+
+message MoreBytes {
+  bytes data = 1;
+}
+
+// Test int32, uint32, int64, uint64, and bool are all compatible
+message Int32Message {
+  int32 data = 1;
+}
+
+message Uint32Message {
+  uint32 data = 1;
+}
+
+message Int64Message {
+  int64 data = 1;
+}
+
+message Uint64Message {
+  uint64 data = 1;
+}
+
+message BoolMessage {
+  bool data = 1;
+}
+
+// Test oneofs.
+message TestOneof {
+  oneof foo {
+    int32 foo_int = 1;
+    string foo_string = 2;
+    TestAllTypes foo_message = 3;
+  }
+}
+
+// Test messages for packed fields
+
+message TestPackedTypes {
+  repeated    int32 packed_int32    =  90 [packed = true];
+  repeated    int64 packed_int64    =  91 [packed = true];
+  repeated   uint32 packed_uint32   =  92 [packed = true];
+  repeated   uint64 packed_uint64   =  93 [packed = true];
+  repeated   sint32 packed_sint32   =  94 [packed = true];
+  repeated   sint64 packed_sint64   =  95 [packed = true];
+  repeated  fixed32 packed_fixed32  =  96 [packed = true];
+  repeated  fixed64 packed_fixed64  =  97 [packed = true];
+  repeated sfixed32 packed_sfixed32 =  98 [packed = true];
+  repeated sfixed64 packed_sfixed64 =  99 [packed = true];
+  repeated    float packed_float    = 100 [packed = true];
+  repeated   double packed_double   = 101 [packed = true];
+  repeated     bool packed_bool     = 102 [packed = true];
+  repeated ForeignEnum packed_enum  = 103 [packed = true];
+}
+
+// A message with the same fields as TestPackedTypes, but without packing. Used
+// to test packed <-> unpacked wire compatibility.
+message TestUnpackedTypes {
+  repeated    int32 unpacked_int32    =  90 [packed = false];
+  repeated    int64 unpacked_int64    =  91 [packed = false];
+  repeated   uint32 unpacked_uint32   =  92 [packed = false];
+  repeated   uint64 unpacked_uint64   =  93 [packed = false];
+  repeated   sint32 unpacked_sint32   =  94 [packed = false];
+  repeated   sint64 unpacked_sint64   =  95 [packed = false];
+  repeated  fixed32 unpacked_fixed32  =  96 [packed = false];
+  repeated  fixed64 unpacked_fixed64  =  97 [packed = false];
+  repeated sfixed32 unpacked_sfixed32 =  98 [packed = false];
+  repeated sfixed64 unpacked_sfixed64 =  99 [packed = false];
+  repeated    float unpacked_float    = 100 [packed = false];
+  repeated   double unpacked_double   = 101 [packed = false];
+  repeated     bool unpacked_bool     = 102 [packed = false];
+  repeated ForeignEnum unpacked_enum  = 103 [packed = false];
+}
+
+message TestRepeatedScalarDifferentTagSizes {
+  // Parsing repeated fixed size values used to fail. This message needs to be
+  // used in order to get a tag of the right size; all of the repeated fields
+  // in TestAllTypes didn't trigger the check.
+  repeated fixed32 repeated_fixed32 = 12;
+  // Check for a varint type, just for good measure.
+  repeated int32   repeated_int32   = 13;
+
+  // These have two-byte tags.
+  repeated fixed64 repeated_fixed64 = 2046;
+  repeated int64   repeated_int64   = 2047;
+
+  // Three byte tags.
+  repeated float   repeated_float   = 262142;
+  repeated uint64  repeated_uint64  = 262143;
+}
+
+message TestCommentInjectionMessage {
+  // */ <- This should not close the generated doc comment
+  string a = 1;
+}
+
+
+// Test that RPC services work.
+message FooRequest  {}
+message FooResponse {}
+
+message FooClientMessage {}
+message FooServerMessage{}
+
+service TestService {
+  rpc Foo(FooRequest) returns (FooResponse);
+  rpc Bar(BarRequest) returns (BarResponse);
+}
+
+
+message BarRequest  {}
+message BarResponse {}
+
diff --git a/csharp/src/Google.Protobuf.Test/JsonFormatterTest.cs b/csharp/src/Google.Protobuf.Test/JsonFormatterTest.cs
index 53ac3dc9..1c7a8cdf 100644
--- a/csharp/src/Google.Protobuf.Test/JsonFormatterTest.cs
+++ b/csharp/src/Google.Protobuf.Test/JsonFormatterTest.cs
@@ -514,7 +514,7 @@ namespace Google.Protobuf
             var formatter = new JsonFormatter(JsonFormatter.Settings.Default.WithTypeRegistry(TypeRegistry.FromMessages(TestAllTypes.Descriptor)));
             var message = new TestAllTypes { SingleInt32 = 10, SingleNestedMessage = new TestAllTypes.Types.NestedMessage { Bb = 20 } };
             var any = Any.Pack(message);
-            AssertJson("{ '@type': 'type.googleapis.com/protobuf_unittest.TestAllTypes', 'singleInt32': 10, 'singleNestedMessage': { 'bb': 20 } }", formatter.Format(any));
+            AssertJson("{ '@type': 'type.googleapis.com/protobuf_unittest3.TestAllTypes', 'singleInt32': 10, 'singleNestedMessage': { 'bb': 20 } }", formatter.Format(any));
         }
 
         [Test]
@@ -523,7 +523,7 @@ namespace Google.Protobuf
             var formatter = new JsonFormatter(JsonFormatter.Settings.Default.WithTypeRegistry(TypeRegistry.FromMessages(TestAllTypes.Descriptor)));
             var message = new TestAllTypes { SingleInt32 = 10 };
             var any = Any.Pack(message, "foo.bar/baz");
-            AssertJson("{ '@type': 'foo.bar/baz/protobuf_unittest.TestAllTypes', 'singleInt32': 10 }", formatter.Format(any));
+            AssertJson("{ '@type': 'foo.bar/baz/protobuf_unittest3.TestAllTypes', 'singleInt32': 10 }", formatter.Format(any));
         }
 
         [Test]
@@ -536,7 +536,7 @@ namespace Google.Protobuf
             var doubleNestedMessage = new TestAllTypes { SingleInt32 = 20 };
             var nestedMessage = Any.Pack(doubleNestedMessage);
             var message = new TestWellKnownTypes { AnyField = Any.Pack(nestedMessage) };
-            AssertJson("{ 'anyField': { '@type': 'type.googleapis.com/google.protobuf.Any', 'value': { '@type': 'type.googleapis.com/protobuf_unittest.TestAllTypes', 'singleInt32': 20 } } }",
+            AssertJson("{ 'anyField': { '@type': 'type.googleapis.com/google.protobuf.Any', 'value': { '@type': 'type.googleapis.com/protobuf_unittest3.TestAllTypes', 'singleInt32': 20 } } }",
                 formatter.Format(message));
         }
 
diff --git a/csharp/src/Google.Protobuf.Test/JsonParserTest.cs b/csharp/src/Google.Protobuf.Test/JsonParserTest.cs
index 2c515433..329ae9be 100644
--- a/csharp/src/Google.Protobuf.Test/JsonParserTest.cs
+++ b/csharp/src/Google.Protobuf.Test/JsonParserTest.cs
@@ -809,7 +809,7 @@ namespace Google.Protobuf
             var json = formatter.Format(original); // This is tested in JsonFormatterTest
             var parser = new JsonParser(new JsonParser.Settings(10, registry));
             Assert.AreEqual(original, parser.Parse<Any>(json));
-            string valueFirstJson = "{ \"singleInt32\": 10, \"singleNestedMessage\": { \"bb\": 20 }, \"@type\": \"type.googleapis.com/protobuf_unittest.TestAllTypes\" }";
+            string valueFirstJson = "{ \"singleInt32\": 10, \"singleNestedMessage\": { \"bb\": 20 }, \"@type\": \"type.googleapis.com/protobuf_unittest3.TestAllTypes\" }";
             Assert.AreEqual(original, parser.Parse<Any>(valueFirstJson));
         }
 
@@ -820,7 +820,7 @@ namespace Google.Protobuf
             var message = new TestAllTypes { SingleInt32 = 10 };
             var original = Any.Pack(message, "custom.prefix/middle-part");
             var parser = new JsonParser(new JsonParser.Settings(10, registry));
-            string json = "{ \"@type\": \"custom.prefix/middle-part/protobuf_unittest.TestAllTypes\", \"singleInt32\": 10 }";
+            string json = "{ \"@type\": \"custom.prefix/middle-part/protobuf_unittest3.TestAllTypes\", \"singleInt32\": 10 }";
             Assert.AreEqual(original, parser.Parse<Any>(json));
         }
 
diff --git a/csharp/src/Google.Protobuf.Test/Reflection/DescriptorsTest.cs b/csharp/src/Google.Protobuf.Test/Reflection/DescriptorsTest.cs
index 52d5a676..29a376e0 100644
--- a/csharp/src/Google.Protobuf.Test/Reflection/DescriptorsTest.cs
+++ b/csharp/src/Google.Protobuf.Test/Reflection/DescriptorsTest.cs
@@ -48,13 +48,13 @@ namespace Google.Protobuf.Reflection
         {
             FileDescriptor file = UnittestProto3Reflection.Descriptor;
 
-            Assert.AreEqual("google/protobuf/unittest_proto3.proto", file.Name);
-            Assert.AreEqual("protobuf_unittest", file.Package);
+            Assert.AreEqual("unittest_proto3.proto", file.Name);
+            Assert.AreEqual("protobuf_unittest3", file.Package);
 
             Assert.AreEqual("UnittestProto", file.Proto.Options.JavaOuterClassname);
-            Assert.AreEqual("google/protobuf/unittest_proto3.proto", file.Proto.Name);
+            Assert.AreEqual("unittest_proto3.proto", file.Proto.Name);
 
-            // unittest.proto doesn't have any public imports, but unittest_import.proto does.
+            // unittest_proto3.proto doesn't have any public imports, but unittest_import_proto3.proto does.
             Assert.AreEqual(0, file.PublicDependencies.Count);
             Assert.AreEqual(1, UnittestImportProto3Reflection.Descriptor.PublicDependencies.Count);
             Assert.AreEqual(UnittestImportPublicProto3Reflection.Descriptor, UnittestImportProto3Reflection.Descriptor.PublicDependencies[0]);
@@ -68,7 +68,7 @@ namespace Google.Protobuf.Reflection
             Assert.AreEqual(messageType, file.MessageTypes[0]);
             Assert.AreEqual(messageType, file.FindTypeByName<MessageDescriptor>("TestAllTypes"));
             Assert.Null(file.FindTypeByName<MessageDescriptor>("NoSuchType"));
-            Assert.Null(file.FindTypeByName<MessageDescriptor>("protobuf_unittest.TestAllTypes"));
+            Assert.Null(file.FindTypeByName<MessageDescriptor>("protobuf_unittest3.TestAllTypes"));
             for (int i = 0; i < file.MessageTypes.Count; i++)
             {
                 Assert.AreEqual(i, file.MessageTypes[i].Index);
@@ -76,7 +76,7 @@ namespace Google.Protobuf.Reflection
 
             Assert.AreEqual(file.EnumTypes[0], file.FindTypeByName<EnumDescriptor>("ForeignEnum"));
             Assert.Null(file.FindTypeByName<EnumDescriptor>("NoSuchType"));
-            Assert.Null(file.FindTypeByName<EnumDescriptor>("protobuf_unittest.ForeignEnum"));
+            Assert.Null(file.FindTypeByName<EnumDescriptor>("protobuf_unittest3.ForeignEnum"));
             Assert.AreEqual(1, UnittestImportProto3Reflection.Descriptor.EnumTypes.Count);
             Assert.AreEqual("ImportEnum", UnittestImportProto3Reflection.Descriptor.EnumTypes[0].Name);
             for (int i = 0; i < file.EnumTypes.Count; i++)
@@ -88,13 +88,23 @@ namespace Google.Protobuf.Reflection
         }
 
         [Test]
+        public void FileDescriptor_NonRootPath()
+        {
+            // unittest_proto3.proto used to be in google/protobuf. Now it's in the C#-specific location,
+            // let's test something that's still in a directory.
+            FileDescriptor file = UnittestWellKnownTypesReflection.Descriptor;
+            Assert.AreEqual("google/protobuf/unittest_well_known_types.proto", file.Name);
+            Assert.AreEqual("protobuf_unittest", file.Package);
+        }
+
+        [Test]
         public void MessageDescriptor()
         {
             MessageDescriptor messageType = TestAllTypes.Descriptor;
             MessageDescriptor nestedType = TestAllTypes.Types.NestedMessage.Descriptor;
 
             Assert.AreEqual("TestAllTypes", messageType.Name);
-            Assert.AreEqual("protobuf_unittest.TestAllTypes", messageType.FullName);
+            Assert.AreEqual("protobuf_unittest3.TestAllTypes", messageType.FullName);
             Assert.AreEqual(UnittestProto3Reflection.Descriptor, messageType.File);
             Assert.IsNull(messageType.ContainingType);
             Assert.IsNull(messageType.Proto.Options);
@@ -102,7 +112,7 @@ namespace Google.Protobuf.Reflection
             Assert.AreEqual("TestAllTypes", messageType.Name);
 
             Assert.AreEqual("NestedMessage", nestedType.Name);
-            Assert.AreEqual("protobuf_unittest.TestAllTypes.NestedMessage", nestedType.FullName);
+            Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedMessage", nestedType.FullName);
             Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
             Assert.AreEqual(messageType, nestedType.ContainingType);
 
@@ -143,7 +153,7 @@ namespace Google.Protobuf.Reflection
             FieldDescriptor messageField = messageType.FindDescriptor<FieldDescriptor>("single_foreign_message");
 
             Assert.AreEqual("single_int32", primitiveField.Name);
-            Assert.AreEqual("protobuf_unittest.TestAllTypes.single_int32",
+            Assert.AreEqual("protobuf_unittest3.TestAllTypes.single_int32",
                             primitiveField.FullName);
             Assert.AreEqual(1, primitiveField.FieldNumber);
             Assert.AreEqual(messageType, primitiveField.ContainingType);
@@ -180,13 +190,13 @@ namespace Google.Protobuf.Reflection
             EnumDescriptor nestedType = TestAllTypes.Descriptor.FindDescriptor<EnumDescriptor>("NestedEnum");
 
             Assert.AreEqual("ForeignEnum", enumType.Name);
-            Assert.AreEqual("protobuf_unittest.ForeignEnum", enumType.FullName);
+            Assert.AreEqual("protobuf_unittest3.ForeignEnum", enumType.FullName);
             Assert.AreEqual(UnittestProto3Reflection.Descriptor, enumType.File);
             Assert.Null(enumType.ContainingType);
             Assert.Null(enumType.Proto.Options);
 
             Assert.AreEqual("NestedEnum", nestedType.Name);
-            Assert.AreEqual("protobuf_unittest.TestAllTypes.NestedEnum",
+            Assert.AreEqual("protobuf_unittest3.TestAllTypes.NestedEnum",
                             nestedType.FullName);
             Assert.AreEqual(UnittestProto3Reflection.Descriptor, nestedType.File);
             Assert.AreEqual(TestAllTypes.Descriptor, nestedType.ContainingType);
@@ -209,7 +219,7 @@ namespace Google.Protobuf.Reflection
         {
             OneofDescriptor descriptor = TestAllTypes.Descriptor.FindDescriptor<OneofDescriptor>("oneof_field");
             Assert.AreEqual("oneof_field", descriptor.Name);
-            Assert.AreEqual("protobuf_unittest.TestAllTypes.oneof_field", descriptor.FullName);
+            Assert.AreEqual("protobuf_unittest3.TestAllTypes.oneof_field", descriptor.FullName);
 
             var expectedFields = new[] {
                 TestAllTypes.OneofBytesFieldNumber,
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/MapUnittestProto3.cs b/csharp/src/Google.Protobuf.Test/TestProtos/MapUnittestProto3.cs
index 9c0518a3..bb946046 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/MapUnittestProto3.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/MapUnittestProto3.cs
@@ -1,5 +1,5 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/protobuf/map_unittest_proto3.proto
+// source: map_unittest_proto3.proto
 #pragma warning disable 1591, 0612, 3021
 #region Designer generated code
 
@@ -9,11 +9,11 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Google.Protobuf.TestProtos {
 
-  /// <summary>Holder for reflection information generated from google/protobuf/map_unittest_proto3.proto</summary>
+  /// <summary>Holder for reflection information generated from map_unittest_proto3.proto</summary>
   public static partial class MapUnittestProto3Reflection {
 
     #region Descriptor
-    /// <summary>File descriptor for google/protobuf/map_unittest_proto3.proto</summary>
+    /// <summary>File descriptor for map_unittest_proto3.proto</summary>
     public static pbr::FileDescriptor Descriptor {
       get { return descriptor; }
     }
@@ -22,130 +22,130 @@ namespace Google.Protobuf.TestProtos {
     static MapUnittestProto3Reflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "Cilnb29nbGUvcHJvdG9idWYvbWFwX3VuaXR0ZXN0X3Byb3RvMy5wcm90bxIR",
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-            "AygLMi0ucHJvdG9idWZfdW5pdHRlc3QuVGVzdE1hcC5NYXBJbnQzMkludDMy",
-            "RW50cnkSRgoPbWFwX2ludDY0X2ludDY0GAIgAygLMi0ucHJvdG9idWZfdW5p",
-            "dHRlc3QuVGVzdE1hcC5NYXBJbnQ2NEludDY0RW50cnkSSgoRbWFwX3VpbnQz",
-            "Ml91aW50MzIYAyADKAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0TWFwLk1h",
-            "cFVpbnQzMlVpbnQzMkVudHJ5EkoKEW1hcF91aW50NjRfdWludDY0GAQgAygL",
-            "Mi8ucHJvdG9idWZfdW5pdHRlc3QuVGVzdE1hcC5NYXBVaW50NjRVaW50NjRF",
-            "bnRyeRJKChFtYXBfc2ludDMyX3NpbnQzMhgFIAMoCzIvLnByb3RvYnVmX3Vu",
-            "aXR0ZXN0LlRlc3RNYXAuTWFwU2ludDMyU2ludDMyRW50cnkSSgoRbWFwX3Np",
-            "bnQ2NF9zaW50NjQYBiADKAsyLy5wcm90b2J1Zl91bml0dGVzdC5UZXN0TWFw",
-            "Lk1hcFNpbnQ2NFNpbnQ2NEVudHJ5Ek4KE21hcF9maXhlZDMyX2ZpeGVkMzIY",
-            "ByADKAsyMS5wcm90b2J1Zl91bml0dGVzdC5UZXN0TWFwLk1hcEZpeGVkMzJG",
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-            "bml0dGVzdC5UZXN0TWFwLk1hcFNmaXhlZDMyU2ZpeGVkMzJFbnRyeRJSChVt",
-            "YXBfc2ZpeGVkNjRfc2ZpeGVkNjQYCiADKAsyMy5wcm90b2J1Zl91bml0dGVz",
-            "dC5UZXN0TWFwLk1hcFNmaXhlZDY0U2ZpeGVkNjRFbnRyeRJGCg9tYXBfaW50",
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-            "b2dsZS5Qcm90b2J1Zi5UZXN0UHJvdG9zYgZwcm90bzM="));
+            "ChltYXBfdW5pdHRlc3RfcHJvdG8zLnByb3RvEhJwcm90b2J1Zl91bml0dGVz",
+            "dDMaFXVuaXR0ZXN0X3Byb3RvMy5wcm90byKpEgoHVGVzdE1hcBJHCg9tYXBf",
+            "aW50MzJfaW50MzIYASADKAsyLi5wcm90b2J1Zl91bml0dGVzdDMuVGVzdE1h",
+            "cC5NYXBJbnQzMkludDMyRW50cnkSRwoPbWFwX2ludDY0X2ludDY0GAIgAygL",
+            "Mi4ucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RNYXAuTWFwSW50NjRJbnQ2NEVu",
+            "dHJ5EksKEW1hcF91aW50MzJfdWludDMyGAMgAygLMjAucHJvdG9idWZfdW5p",
+            "dHRlc3QzLlRlc3RNYXAuTWFwVWludDMyVWludDMyRW50cnkSSwoRbWFwX3Vp",
+            "bnQ2NF91aW50NjQYBCADKAsyMC5wcm90b2J1Zl91bml0dGVzdDMuVGVzdE1h",
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+            "IAMoCzIwLnByb3RvYnVmX3VuaXR0ZXN0My5UZXN0TWFwLk1hcFNpbnQzMlNp",
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+            "b2F0RW50cnkSCwoDa2V5GAEgASgFEg0KBXZhbHVlGAIgASgCOgI4ARo1ChNN",
+            "YXBJbnQzMkRvdWJsZUVudHJ5EgsKA2tleRgBIAEoBRINCgV2YWx1ZRgCIAEo",
+            "AToCOAEaMgoQTWFwQm9vbEJvb2xFbnRyeRILCgNrZXkYASABKAgSDQoFdmFs",
+            "dWUYAiABKAg6AjgBGjYKFE1hcFN0cmluZ1N0cmluZ0VudHJ5EgsKA2tleRgB",
+            "IAEoCRINCgV2YWx1ZRgCIAEoCToCOAEaNAoSTWFwSW50MzJCeXRlc0VudHJ5",
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+            "bnVtRW50cnkSCwoDa2V5GAEgASgFEioKBXZhbHVlGAIgASgOMhsucHJvdG9i",
+            "dWZfdW5pdHRlc3QzLk1hcEVudW06AjgBGmEKG01hcEludDMyRm9yZWlnbk1l",
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+            "c3QzLlRlc3RNYXAivgEKDlRlc3RNZXNzYWdlTWFwElIKEW1hcF9pbnQzMl9t",
+            "ZXNzYWdlGAEgAygLMjcucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RNZXNzYWdl",
+            "TWFwLk1hcEludDMyTWVzc2FnZUVudHJ5GlgKFE1hcEludDMyTWVzc2FnZUVu",
+            "dHJ5EgsKA2tleRgBIAEoBRIvCgV2YWx1ZRgCIAEoCzIgLnByb3RvYnVmX3Vu",
+            "aXR0ZXN0My5UZXN0QWxsVHlwZXM6AjgBIuUBCg9UZXN0U2FtZVR5cGVNYXAS",
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+            "cGVNYXAuTWFwMUVudHJ5EjsKBG1hcDIYAiADKAsyLS5wcm90b2J1Zl91bml0",
+            "dGVzdDMuVGVzdFNhbWVUeXBlTWFwLk1hcDJFbnRyeRorCglNYXAxRW50cnkS",
+            "CwoDa2V5GAEgASgFEg0KBXZhbHVlGAIgASgFOgI4ARorCglNYXAyRW50cnkS",
+            "CwoDa2V5GAEgASgFEg0KBXZhbHVlGAIgASgFOgI4ASL1EAoMVGVzdEFyZW5h",
+            "TWFwEkwKD21hcF9pbnQzMl9pbnQzMhgBIAMoCzIzLnByb3RvYnVmX3VuaXR0",
+            "ZXN0My5UZXN0QXJlbmFNYXAuTWFwSW50MzJJbnQzMkVudHJ5EkwKD21hcF9p",
+            "bnQ2NF9pbnQ2NBgCIAMoCzIzLnByb3RvYnVmX3VuaXR0ZXN0My5UZXN0QXJl",
+            "bmFNYXAuTWFwSW50NjRJbnQ2NEVudHJ5ElAKEW1hcF91aW50MzJfdWludDMy",
+            "GAMgAygLMjUucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVuYU1hcC5NYXBV",
+            "aW50MzJVaW50MzJFbnRyeRJQChFtYXBfdWludDY0X3VpbnQ2NBgEIAMoCzI1",
+            "LnByb3RvYnVmX3VuaXR0ZXN0My5UZXN0QXJlbmFNYXAuTWFwVWludDY0VWlu",
+            "dDY0RW50cnkSUAoRbWFwX3NpbnQzMl9zaW50MzIYBSADKAsyNS5wcm90b2J1",
+            "Zl91bml0dGVzdDMuVGVzdEFyZW5hTWFwLk1hcFNpbnQzMlNpbnQzMkVudHJ5",
+            "ElAKEW1hcF9zaW50NjRfc2ludDY0GAYgAygLMjUucHJvdG9idWZfdW5pdHRl",
+            "c3QzLlRlc3RBcmVuYU1hcC5NYXBTaW50NjRTaW50NjRFbnRyeRJUChNtYXBf",
+            "Zml4ZWQzMl9maXhlZDMyGAcgAygLMjcucHJvdG9idWZfdW5pdHRlc3QzLlRl",
+            "c3RBcmVuYU1hcC5NYXBGaXhlZDMyRml4ZWQzMkVudHJ5ElQKE21hcF9maXhl",
+            "ZDY0X2ZpeGVkNjQYCCADKAsyNy5wcm90b2J1Zl91bml0dGVzdDMuVGVzdEFy",
+            "ZW5hTWFwLk1hcEZpeGVkNjRGaXhlZDY0RW50cnkSWAoVbWFwX3NmaXhlZDMy",
+            "X3NmaXhlZDMyGAkgAygLMjkucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVu",
+            "YU1hcC5NYXBTZml4ZWQzMlNmaXhlZDMyRW50cnkSWAoVbWFwX3NmaXhlZDY0",
+            "X3NmaXhlZDY0GAogAygLMjkucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVu",
+            "YU1hcC5NYXBTZml4ZWQ2NFNmaXhlZDY0RW50cnkSTAoPbWFwX2ludDMyX2Zs",
+            "b2F0GAsgAygLMjMucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVuYU1hcC5N",
+            "YXBJbnQzMkZsb2F0RW50cnkSTgoQbWFwX2ludDMyX2RvdWJsZRgMIAMoCzI0",
+            "LnByb3RvYnVmX3VuaXR0ZXN0My5UZXN0QXJlbmFNYXAuTWFwSW50MzJEb3Vi",
+            "bGVFbnRyeRJICg1tYXBfYm9vbF9ib29sGA0gAygLMjEucHJvdG9idWZfdW5p",
+            "dHRlc3QzLlRlc3RBcmVuYU1hcC5NYXBCb29sQm9vbEVudHJ5EkoKDm1hcF9p",
+            "bnQzMl9lbnVtGA4gAygLMjIucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVu",
+            "YU1hcC5NYXBJbnQzMkVudW1FbnRyeRJfChltYXBfaW50MzJfZm9yZWlnbl9t",
+            "ZXNzYWdlGA8gAygLMjwucHJvdG9idWZfdW5pdHRlc3QzLlRlc3RBcmVuYU1h",
+            "cC5NYXBJbnQzMkZvcmVpZ25NZXNzYWdlRW50cnkaNAoSTWFwSW50MzJJbnQz",
+            "MkVudHJ5EgsKA2tleRgBIAEoBRINCgV2YWx1ZRgCIAEoBToCOAEaNAoSTWFw",
+            "SW50NjRJbnQ2NEVudHJ5EgsKA2tleRgBIAEoAxINCgV2YWx1ZRgCIAEoAzoC",
+            "OAEaNgoUTWFwVWludDMyVWludDMyRW50cnkSCwoDa2V5GAEgASgNEg0KBXZh",
+            "bHVlGAIgASgNOgI4ARo2ChRNYXBVaW50NjRVaW50NjRFbnRyeRILCgNrZXkY",
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+            "dDY0U2ludDY0RW50cnkSCwoDa2V5GAEgASgSEg0KBXZhbHVlGAIgASgSOgI4",
+            "ARo4ChZNYXBGaXhlZDMyRml4ZWQzMkVudHJ5EgsKA2tleRgBIAEoBxINCgV2",
+            "YWx1ZRgCIAEoBzoCOAEaOAoWTWFwRml4ZWQ2NEZpeGVkNjRFbnRyeRILCgNr",
+            "ZXkYASABKAYSDQoFdmFsdWUYAiABKAY6AjgBGjoKGE1hcFNmaXhlZDMyU2Zp",
+            "eGVkMzJFbnRyeRILCgNrZXkYASABKA8SDQoFdmFsdWUYAiABKA86AjgBGjoK",
+            "GE1hcFNmaXhlZDY0U2ZpeGVkNjRFbnRyeRILCgNrZXkYASABKBASDQoFdmFs",
+            "dWUYAiABKBA6AjgBGjQKEk1hcEludDMyRmxvYXRFbnRyeRILCgNrZXkYASAB",
+            "KAUSDQoFdmFsdWUYAiABKAI6AjgBGjUKE01hcEludDMyRG91YmxlRW50cnkS",
+            "CwoDa2V5GAEgASgFEg0KBXZhbHVlGAIgASgBOgI4ARoyChBNYXBCb29sQm9v",
+            "bEVudHJ5EgsKA2tleRgBIAEoCBINCgV2YWx1ZRgCIAEoCDoCOAEaUAoRTWFw",
+            "SW50MzJFbnVtRW50cnkSCwoDa2V5GAEgASgFEioKBXZhbHVlGAIgASgOMhsu",
+            "cHJvdG9idWZfdW5pdHRlc3QzLk1hcEVudW06AjgBGmEKG01hcEludDMyRm9y",
+            "ZWlnbk1lc3NhZ2VFbnRyeRILCgNrZXkYASABKAUSMQoFdmFsdWUYAiABKAsy",
+            "Ii5wcm90b2J1Zl91bml0dGVzdDMuRm9yZWlnbk1lc3NhZ2U6AjgBIuYBCh9N",
+            "ZXNzYWdlQ29udGFpbmluZ0VudW1DYWxsZWRUeXBlEksKBHR5cGUYASADKAsy",
+            "PS5wcm90b2J1Zl91bml0dGVzdDMuTWVzc2FnZUNvbnRhaW5pbmdFbnVtQ2Fs",
+            "bGVkVHlwZS5UeXBlRW50cnkaYAoJVHlwZUVudHJ5EgsKA2tleRgBIAEoBRJC",
+            "CgV2YWx1ZRgCIAEoCzIzLnByb3RvYnVmX3VuaXR0ZXN0My5NZXNzYWdlQ29u",
+            "dGFpbmluZ0VudW1DYWxsZWRUeXBlOgI4ASIUCgRUeXBlEgwKCFRZUEVfRk9P",
+            "EAAingEKH01lc3NhZ2VDb250YWluaW5nTWFwQ2FsbGVkRW50cnkSTQoFZW50",
+            "cnkYASADKAsyPi5wcm90b2J1Zl91bml0dGVzdDMuTWVzc2FnZUNvbnRhaW5p",
+            "bmdNYXBDYWxsZWRFbnRyeS5FbnRyeUVudHJ5GiwKCkVudHJ5RW50cnkSCwoD",
+            "a2V5GAEgASgFEg0KBXZhbHVlGAIgASgFOgI4ASo/CgdNYXBFbnVtEhAKDE1B",
+            "UF9FTlVNX0ZPTxAAEhAKDE1BUF9FTlVNX0JBUhABEhAKDE1BUF9FTlVNX0JB",
+            "WhACQh2qAhpHb29nbGUuUHJvdG9idWYuVGVzdFByb3Rvc2IGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Google.Protobuf.TestProtos.UnittestProto3Reflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(new[] {typeof(global::Google.Protobuf.TestProtos.MapEnum), }, new pbr::GeneratedClrTypeInfo[] {
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/TestMessagesProto3.cs b/csharp/src/Google.Protobuf.Test/TestProtos/TestMessagesProto3.cs
index 6607be7a..45850bb0 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/TestMessagesProto3.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/TestMessagesProto3.cs
@@ -27,7 +27,7 @@ namespace ProtobufTestMessages.Proto3 {
             "dWYvYW55LnByb3RvGh5nb29nbGUvcHJvdG9idWYvZHVyYXRpb24ucHJvdG8a",
             "IGdvb2dsZS9wcm90b2J1Zi9maWVsZF9tYXNrLnByb3RvGhxnb29nbGUvcHJv",
             "dG9idWYvc3RydWN0LnByb3RvGh9nb29nbGUvcHJvdG9idWYvdGltZXN0YW1w",
-            "LnByb3RvGh5nb29nbGUvcHJvdG9idWYvd3JhcHBlcnMucHJvdG8irDsKElRl",
+            "LnByb3RvGh5nb29nbGUvcHJvdG9idWYvd3JhcHBlcnMucHJvdG8itDsKElRl",
             "c3RBbGxUeXBlc1Byb3RvMxIWCg5vcHRpb25hbF9pbnQzMhgBIAEoBRIWCg5v",
             "cHRpb25hbF9pbnQ2NBgCIAEoAxIXCg9vcHRpb25hbF91aW50MzIYAyABKA0S",
             "FwoPb3B0aW9uYWxfdWludDY0GAQgASgEEhcKD29wdGlvbmFsX3NpbnQzMhgF",
@@ -196,11 +196,11 @@ namespace ProtobufTestMessages.Proto3 {
             "Z0ZvcmVpZ25FbnVtRW50cnkSCwoDa2V5GAEgASgJEjkKBXZhbHVlGAIgASgO",
             "MioucHJvdG9idWZfdGVzdF9tZXNzYWdlcy5wcm90bzMuRm9yZWlnbkVudW06",
             "AjgBIjkKCk5lc3RlZEVudW0SBwoDRk9PEAASBwoDQkFSEAESBwoDQkFaEAIS",
-            "EAoDTkVHEP///////////wFCDQoLb25lb2ZfZmllbGQiGwoORm9yZWlnbk1l",
-            "c3NhZ2USCQoBYxgBIAEoBSpACgtGb3JlaWduRW51bRIPCgtGT1JFSUdOX0ZP",
-            "TxAAEg8KC0ZPUkVJR05fQkFSEAESDwoLRk9SRUlHTl9CQVoQAkI4Cihjb20u",
-            "Z29vZ2xlLnByb3RvYnVmX3Rlc3RfbWVzc2FnZXMucHJvdG8zSAH4AQGiAgZQ",
-            "cm90bzNiBnByb3RvMw=="));
+            "EAoDTkVHEP///////////wFCDQoLb25lb2ZfZmllbGRKBgj1AxD/AyIbCg5G",
+            "b3JlaWduTWVzc2FnZRIJCgFjGAEgASgFKkAKC0ZvcmVpZ25FbnVtEg8KC0ZP",
+            "UkVJR05fRk9PEAASDwoLRk9SRUlHTl9CQVIQARIPCgtGT1JFSUdOX0JBWhAC",
+            "QjgKKGNvbS5nb29nbGUucHJvdG9idWZfdGVzdF9tZXNzYWdlcy5wcm90bzNI",
+            "AfgBAaICBlByb3RvM2IGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Google.Protobuf.WellKnownTypes.AnyReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.DurationReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.FieldMaskReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.StructReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.TimestampReflection.Descriptor, global::Google.Protobuf.WellKnownTypes.WrappersReflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(new[] {typeof(global::ProtobufTestMessages.Proto3.ForeignEnum), }, new pbr::GeneratedClrTypeInfo[] {
@@ -2808,7 +2808,10 @@ namespace ProtobufTestMessages.Proto3 {
           OneofUint32 = other.OneofUint32;
           break;
         case OneofFieldOneofCase.OneofNestedMessage:
-          OneofNestedMessage = other.OneofNestedMessage;
+          if (OneofNestedMessage == null) {
+            OneofNestedMessage = new global::ProtobufTestMessages.Proto3.TestAllTypesProto3.Types.NestedMessage();
+          }
+          OneofNestedMessage.MergeFrom(other.OneofNestedMessage);
           break;
         case OneofFieldOneofCase.OneofString:
           OneofString = other.OneofString;
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportProto3.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportProto3.cs
index f6df4e87..1ebf007f 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportProto3.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportProto3.cs
@@ -1,5 +1,5 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/protobuf/unittest_import_proto3.proto
+// source: unittest_import_proto3.proto
 #pragma warning disable 1591, 0612, 3021
 #region Designer generated code
 
@@ -9,11 +9,11 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Google.Protobuf.TestProtos {
 
-  /// <summary>Holder for reflection information generated from google/protobuf/unittest_import_proto3.proto</summary>
+  /// <summary>Holder for reflection information generated from unittest_import_proto3.proto</summary>
   public static partial class UnittestImportProto3Reflection {
 
     #region Descriptor
-    /// <summary>File descriptor for google/protobuf/unittest_import_proto3.proto</summary>
+    /// <summary>File descriptor for unittest_import_proto3.proto</summary>
     public static pbr::FileDescriptor Descriptor {
       get { return descriptor; }
     }
@@ -22,14 +22,12 @@ namespace Google.Protobuf.TestProtos {
     static UnittestImportProto3Reflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "Cixnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfaW1wb3J0X3Byb3RvMy5wcm90",
-            "bxIYcHJvdG9idWZfdW5pdHRlc3RfaW1wb3J0GjNnb29nbGUvcHJvdG9idWYv",
-            "dW5pdHRlc3RfaW1wb3J0X3B1YmxpY19wcm90bzMucHJvdG8iGgoNSW1wb3J0",
-            "TWVzc2FnZRIJCgFkGAEgASgFKlkKCkltcG9ydEVudW0SGwoXSU1QT1JUX0VO",
-            "VU1fVU5TUEVDSUZJRUQQABIOCgpJTVBPUlRfRk9PEAcSDgoKSU1QT1JUX0JB",
-            "UhAIEg4KCklNUE9SVF9CQVoQCUI8Chhjb20uZ29vZ2xlLnByb3RvYnVmLnRl",
-            "c3RIAfgBAaoCGkdvb2dsZS5Qcm90b2J1Zi5UZXN0UHJvdG9zUABiBnByb3Rv",
-            "Mw=="));
+            "Chx1bml0dGVzdF9pbXBvcnRfcHJvdG8zLnByb3RvEhhwcm90b2J1Zl91bml0",
+            "dGVzdF9pbXBvcnQaI3VuaXR0ZXN0X2ltcG9ydF9wdWJsaWNfcHJvdG8zLnBy",
+            "b3RvIhoKDUltcG9ydE1lc3NhZ2USCQoBZBgBIAEoBSpZCgpJbXBvcnRFbnVt",
+            "EhsKF0lNUE9SVF9FTlVNX1VOU1BFQ0lGSUVEEAASDgoKSU1QT1JUX0ZPTxAH",
+            "Eg4KCklNUE9SVF9CQVIQCBIOCgpJTVBPUlRfQkFaEAlCHaoCGkdvb2dsZS5Q",
+            "cm90b2J1Zi5UZXN0UHJvdG9zUABiBnByb3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Google.Protobuf.TestProtos.UnittestImportPublicProto3Reflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(new[] {typeof(global::Google.Protobuf.TestProtos.ImportEnum), }, new pbr::GeneratedClrTypeInfo[] {
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportPublicProto3.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportPublicProto3.cs
index 67b8edf4..422f0b50 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportPublicProto3.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestImportPublicProto3.cs
@@ -1,5 +1,5 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/protobuf/unittest_import_public_proto3.proto
+// source: unittest_import_public_proto3.proto
 #pragma warning disable 1591, 0612, 3021
 #region Designer generated code
 
@@ -9,11 +9,11 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Google.Protobuf.TestProtos {
 
-  /// <summary>Holder for reflection information generated from google/protobuf/unittest_import_public_proto3.proto</summary>
+  /// <summary>Holder for reflection information generated from unittest_import_public_proto3.proto</summary>
   public static partial class UnittestImportPublicProto3Reflection {
 
     #region Descriptor
-    /// <summary>File descriptor for google/protobuf/unittest_import_public_proto3.proto</summary>
+    /// <summary>File descriptor for unittest_import_public_proto3.proto</summary>
     public static pbr::FileDescriptor Descriptor {
       get { return descriptor; }
     }
@@ -22,10 +22,10 @@ namespace Google.Protobuf.TestProtos {
     static UnittestImportPublicProto3Reflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "CjNnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfaW1wb3J0X3B1YmxpY19wcm90",
-            "bzMucHJvdG8SGHByb3RvYnVmX3VuaXR0ZXN0X2ltcG9ydCIgChNQdWJsaWNJ",
-            "bXBvcnRNZXNzYWdlEgkKAWUYASABKAVCNwoYY29tLmdvb2dsZS5wcm90b2J1",
-            "Zi50ZXN0qgIaR29vZ2xlLlByb3RvYnVmLlRlc3RQcm90b3NiBnByb3RvMw=="));
+            "CiN1bml0dGVzdF9pbXBvcnRfcHVibGljX3Byb3RvMy5wcm90bxIYcHJvdG9i",
+            "dWZfdW5pdHRlc3RfaW1wb3J0IiAKE1B1YmxpY0ltcG9ydE1lc3NhZ2USCQoB",
+            "ZRgBIAEoBUIdqgIaR29vZ2xlLlByb3RvYnVmLlRlc3RQcm90b3NiBnByb3Rv",
+            "Mw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedClrTypeInfo(null, new pbr::GeneratedClrTypeInfo[] {
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
index cbf7909c..ccf99dc5 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
@@ -48,8 +48,8 @@ namespace UnitTest.Issues.TestProtos {
             "GAEgASgFEgkKAXkYAiABKAVCBwoFdmFsdWUqVQoMTmVnYXRpdmVFbnVtEhYK",
             "Ek5FR0FUSVZFX0VOVU1fWkVSTxAAEhYKCUZpdmVCZWxvdxD7//////////8B",
             "EhUKCE1pbnVzT25lEP///////////wEqLgoORGVwcmVjYXRlZEVudW0SEwoP",
-            "REVQUkVDQVRFRF9aRVJPEAASBwoDb25lEAFCH0gBqgIaVW5pdFRlc3QuSXNz",
-            "dWVzLlRlc3RQcm90b3NiBnByb3RvMw=="));
+            "REVQUkVDQVRFRF9aRVJPEAASBwoDb25lEAFCHaoCGlVuaXRUZXN0Lklzc3Vl",
+            "cy5UZXN0UHJvdG9zYgZwcm90bzM="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { },
           new pbr::GeneratedClrTypeInfo(new[] {typeof(global::UnitTest.Issues.TestProtos.NegativeEnum), typeof(global::UnitTest.Issues.TestProtos.DeprecatedEnum), }, new pbr::GeneratedClrTypeInfo[] {
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestProto3.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestProto3.cs
index c11ab84d..35bd2137 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestProto3.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestProto3.cs
@@ -1,5 +1,5 @@
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/protobuf/unittest_proto3.proto
+// source: unittest_proto3.proto
 #pragma warning disable 1591, 0612, 3021
 #region Designer generated code
 
@@ -9,11 +9,11 @@ using pbr = global::Google.Protobuf.Reflection;
 using scg = global::System.Collections.Generic;
 namespace Google.Protobuf.TestProtos {
 
-  /// <summary>Holder for reflection information generated from google/protobuf/unittest_proto3.proto</summary>
+  /// <summary>Holder for reflection information generated from unittest_proto3.proto</summary>
   public static partial class UnittestProto3Reflection {
 
     #region Descriptor
-    /// <summary>File descriptor for google/protobuf/unittest_proto3.proto</summary>
+    /// <summary>File descriptor for unittest_proto3.proto</summary>
     public static pbr::FileDescriptor Descriptor {
       get { return descriptor; }
     }
@@ -22,135 +22,135 @@ namespace Google.Protobuf.TestProtos {
     static UnittestProto3Reflection() {
       byte[] descriptorData = global::System.Convert.FromBase64String(
           string.Concat(
-            "CiVnb29nbGUvcHJvdG9idWYvdW5pdHRlc3RfcHJvdG8zLnByb3RvEhFwcm90",
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-            "LlByb3RvYnVmLlRlc3RQcm90b3NiBnByb3RvMw=="));
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+            "DQoLQmFyUmVzcG9uc2UqWQoLRm9yZWlnbkVudW0SFwoTRk9SRUlHTl9VTlNQ",
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+            "U1RfRU5VTV9XSVRIX0RVUF9WQUxVRV9VTlNQRUNJRklFRBAAEggKBEZPTzEQ",
+            "ARIICgRCQVIxEAISBwoDQkFaEAMSCAoERk9PMhABEggKBEJBUjIQAhoCEAEq",
+            "nQEKDlRlc3RTcGFyc2VFbnVtEiAKHFRFU1RfU1BBUlNFX0VOVU1fVU5TUEVD",
+            "SUZJRUQQABIMCghTUEFSU0VfQRB7Eg4KCFNQQVJTRV9CEKbnAxIPCghTUEFS",
+            "U0VfQxCysYAGEhUKCFNQQVJTRV9EEPH//////////wESFQoIU1BBUlNFX0UQ",
+            "tN78////////ARIMCghTUEFSU0VfRxACMp0BCgtUZXN0U2VydmljZRJGCgNG",
+            "b28SHi5wcm90b2J1Zl91bml0dGVzdDMuRm9vUmVxdWVzdBofLnByb3RvYnVm",
+            "X3VuaXR0ZXN0My5Gb29SZXNwb25zZRJGCgNCYXISHi5wcm90b2J1Zl91bml0",
+            "dGVzdDMuQmFyUmVxdWVzdBofLnByb3RvYnVmX3VuaXR0ZXN0My5CYXJSZXNw",
+            "b25zZUIsQg1Vbml0dGVzdFByb3RvqgIaR29vZ2xlLlByb3RvYnVmLlRlc3RQ",
+            "cm90b3NiBnByb3RvMw=="));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Google.Protobuf.TestProtos.UnittestImportProto3Reflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(new[] {typeof(global::Google.Protobuf.TestProtos.ForeignEnum), typeof(global::Google.Protobuf.TestProtos.TestEnumWithDupValue), typeof(global::Google.Protobuf.TestProtos.TestSparseEnum), }, new pbr::GeneratedClrTypeInfo[] {
@@ -1337,7 +1337,10 @@ namespace Google.Protobuf.TestProtos {
           OneofUint32 = other.OneofUint32;
           break;
         case OneofFieldOneofCase.OneofNestedMessage:
-          OneofNestedMessage = other.OneofNestedMessage;
+          if (OneofNestedMessage == null) {
+            OneofNestedMessage = new global::Google.Protobuf.TestProtos.TestAllTypes.Types.NestedMessage();
+          }
+          OneofNestedMessage.MergeFrom(other.OneofNestedMessage);
           break;
         case OneofFieldOneofCase.OneofString:
           OneofString = other.OneofString;
@@ -5066,7 +5069,10 @@ namespace Google.Protobuf.TestProtos {
           FooString = other.FooString;
           break;
         case FooOneofCase.FooMessage:
-          FooMessage = other.FooMessage;
+          if (FooMessage == null) {
+            FooMessage = new global::Google.Protobuf.TestProtos.TestAllTypes();
+          }
+          FooMessage.MergeFrom(other.FooMessage);
           break;
       }
 
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestWellKnownTypes.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestWellKnownTypes.cs
index 2c7f0e0e..9c415d6c 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestWellKnownTypes.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestWellKnownTypes.cs
@@ -1890,31 +1890,58 @@ namespace Google.Protobuf.TestProtos {
       }
       switch (other.OneofFieldCase) {
         case OneofFieldOneofCase.AnyField:
-          AnyField = other.AnyField;
+          if (AnyField == null) {
+            AnyField = new global::Google.Protobuf.WellKnownTypes.Any();
+          }
+          AnyField.MergeFrom(other.AnyField);
           break;
         case OneofFieldOneofCase.ApiField:
-          ApiField = other.ApiField;
+          if (ApiField == null) {
+            ApiField = new global::Google.Protobuf.WellKnownTypes.Api();
+          }
+          ApiField.MergeFrom(other.ApiField);
           break;
         case OneofFieldOneofCase.DurationField:
-          DurationField = other.DurationField;
+          if (DurationField == null) {
+            DurationField = new global::Google.Protobuf.WellKnownTypes.Duration();
+          }
+          DurationField.MergeFrom(other.DurationField);
           break;
         case OneofFieldOneofCase.EmptyField:
-          EmptyField = other.EmptyField;
+          if (EmptyField == null) {
+            EmptyField = new global::Google.Protobuf.WellKnownTypes.Empty();
+          }
+          EmptyField.MergeFrom(other.EmptyField);
           break;
         case OneofFieldOneofCase.FieldMaskField:
-          FieldMaskField = other.FieldMaskField;
+          if (FieldMaskField == null) {
+            FieldMaskField = new global::Google.Protobuf.WellKnownTypes.FieldMask();
+          }
+          FieldMaskField.MergeFrom(other.FieldMaskField);
           break;
         case OneofFieldOneofCase.SourceContextField:
-          SourceContextField = other.SourceContextField;
+          if (SourceContextField == null) {
+            SourceContextField = new global::Google.Protobuf.WellKnownTypes.SourceContext();
+          }
+          SourceContextField.MergeFrom(other.SourceContextField);
           break;
         case OneofFieldOneofCase.StructField:
-          StructField = other.StructField;
+          if (StructField == null) {
+            StructField = new global::Google.Protobuf.WellKnownTypes.Struct();
+          }
+          StructField.MergeFrom(other.StructField);
           break;
         case OneofFieldOneofCase.TimestampField:
-          TimestampField = other.TimestampField;
+          if (TimestampField == null) {
+            TimestampField = new global::Google.Protobuf.WellKnownTypes.Timestamp();
+          }
+          TimestampField.MergeFrom(other.TimestampField);
           break;
         case OneofFieldOneofCase.TypeField:
-          TypeField = other.TypeField;
+          if (TypeField == null) {
+            TypeField = new global::Google.Protobuf.WellKnownTypes.Type();
+          }
+          TypeField.MergeFrom(other.TypeField);
           break;
         case OneofFieldOneofCase.DoubleField:
           DoubleField = other.DoubleField;
diff --git a/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs b/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
index a3edd595..6ca1e1f0 100644
--- a/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
+++ b/csharp/src/Google.Protobuf.Test/WellKnownTypes/AnyTest.cs
@@ -42,7 +42,7 @@ namespace Google.Protobuf.WellKnownTypes
         {
             var message = SampleMessages.CreateFullTestAllTypes();
             var any = Any.Pack(message);
-            Assert.AreEqual("type.googleapis.com/protobuf_unittest.TestAllTypes", any.TypeUrl);
+            Assert.AreEqual("type.googleapis.com/protobuf_unittest3.TestAllTypes", any.TypeUrl);
             Assert.AreEqual(message.CalculateSize(), any.Value.Length);
         }
 
@@ -51,7 +51,7 @@ namespace Google.Protobuf.WellKnownTypes
         {
             var message = SampleMessages.CreateFullTestAllTypes();
             var any = Any.Pack(message, "foo.bar/baz");
-            Assert.AreEqual("foo.bar/baz/protobuf_unittest.TestAllTypes", any.TypeUrl);
+            Assert.AreEqual("foo.bar/baz/protobuf_unittest3.TestAllTypes", any.TypeUrl);
             Assert.AreEqual(message.CalculateSize(), any.Value.Length);
         }
 
@@ -60,7 +60,7 @@ namespace Google.Protobuf.WellKnownTypes
         {
             var message = SampleMessages.CreateFullTestAllTypes();
             var any = Any.Pack(message, "foo.bar/baz/");
-            Assert.AreEqual("foo.bar/baz/protobuf_unittest.TestAllTypes", any.TypeUrl);
+            Assert.AreEqual("foo.bar/baz/protobuf_unittest3.TestAllTypes", any.TypeUrl);
             Assert.AreEqual(message.CalculateSize(), any.Value.Length);
         }
 
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.csproj b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
index 75b38175..bf7a5e7d 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.csproj
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
@@ -4,7 +4,7 @@
     <Description>C# runtime library for Protocol Buffers - Google's data interchange format.</Description>
     <Copyright>Copyright 2015, Google Inc.</Copyright>
     <AssemblyTitle>Google Protocol Buffers</AssemblyTitle>
-    <VersionPrefix>3.4.1</VersionPrefix>
+    <VersionPrefix>3.5.0</VersionPrefix>
     <Authors>Google Inc.</Authors>
     <TargetFrameworks>netstandard1.0;net45</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/csharp/src/Google.Protobuf/JsonTokenizer.cs b/csharp/src/Google.Protobuf/JsonTokenizer.cs
index 2fc1e7c3..0e403f78 100644
--- a/csharp/src/Google.Protobuf/JsonTokenizer.cs
+++ b/csharp/src/Google.Protobuf/JsonTokenizer.cs
@@ -245,7 +245,7 @@ namespace Google.Protobuf
                             state = State.ObjectAfterColon;
                             break;
                         case ',':
-                            ValidateState(State.ObjectAfterProperty | State.ArrayAfterValue, "Invalid state to read a colon: ");
+                            ValidateState(State.ObjectAfterProperty | State.ArrayAfterValue, "Invalid state to read a comma: ");
                             state = state == State.ObjectAfterProperty ? State.ObjectAfterComma : State.ArrayAfterComma;
                             break;
                         case '"':
diff --git a/docs/third_party.md b/docs/third_party.md
index b20d4cb1..1a22e7f9 100644
--- a/docs/third_party.md
+++ b/docs/third_party.md
@@ -162,3 +162,4 @@ There are miscellaneous other things you may find useful as a Protocol Buffers d
 * [Protocol Buffers Dynamic Schema - create protobuf schemas programmatically (Java)] (https://github.com/os72/protobuf-dynamic)
 * [Make protoc plugins in NodeJS](https://github.com/konsumer/node-protoc-plugin)
 * [ProfaneDB - A Protocol Buffers database](https://profanedb.gitlab.io)
+* [Protocol Buffer property-based testing utility and example message generator (Python / Hypothesis)](https://github.com/CurataEng/hypothesis-protobuf)
diff --git a/java/core/pom.xml b/java/core/pom.xml
index b0925f74..95f6f7ff 100644
--- a/java/core/pom.xml
+++ b/java/core/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.5.0</version>
   </parent>
 
   <artifactId>protobuf-java</artifactId>
diff --git a/java/core/src/main/java/com/google/protobuf/CodedInputStream.java b/java/core/src/main/java/com/google/protobuf/CodedInputStream.java
index e08a993b..7a3f0eb9 100644
--- a/java/core/src/main/java/com/google/protobuf/CodedInputStream.java
+++ b/java/core/src/main/java/com/google/protobuf/CodedInputStream.java
@@ -64,6 +64,14 @@ public abstract class CodedInputStream {
   // Integer.MAX_VALUE == 0x7FFFFFF == INT_MAX from limits.h
   private static final int DEFAULT_SIZE_LIMIT = Integer.MAX_VALUE;
 
+  /**
+   * Whether to enable our custom UTF-8 decode codepath which does not use {@link StringCoding}.
+   * Enabled by default, disable by setting
+   * {@code -Dcom.google.protobuf.enableCustomutf8Decode=false} in JVM args.
+   */
+  private static final boolean ENABLE_CUSTOM_UTF8_DECODE
+      = !"false".equals(System.getProperty("com.google.protobuf.enableCustomUtf8Decode"));
+
   /** Visible for subclasses. See setRecursionLimit() */
   int recursionDepth;
 
@@ -825,13 +833,19 @@ public abstract class CodedInputStream {
     public String readStringRequireUtf8() throws IOException {
       final int size = readRawVarint32();
       if (size > 0 && size <= (limit - pos)) {
-        // TODO(martinrb): We could save a pass by validating while decoding.
-        if (!Utf8.isValidUtf8(buffer, pos, pos + size)) {
-          throw InvalidProtocolBufferException.invalidUtf8();
+        if (ENABLE_CUSTOM_UTF8_DECODE) {
+          String result = Utf8.decodeUtf8(buffer, pos, size);
+          pos += size;
+          return result;
+        } else {
+          // TODO(martinrb): We could save a pass by validating while decoding.
+          if (!Utf8.isValidUtf8(buffer, pos, pos + size)) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          final int tempPos = pos;
+          pos += size;
+          return new String(buffer, tempPos, size, UTF_8);
         }
-        final int tempPos = pos;
-        pos += size;
-        return new String(buffer, tempPos, size, UTF_8);
       }
 
       if (size == 0) {
@@ -1524,6 +1538,8 @@ public abstract class CodedInputStream {
       final int size = readRawVarint32();
       if (size > 0 && size <= remaining()) {
         // TODO(nathanmittler): Is there a way to avoid this copy?
+        // TODO(anuraaga): It might be possible to share the optimized loop with
+        // readStringRequireUtf8 by implementing Java replacement logic there.
         // The same as readBytes' logic
         byte[] bytes = new byte[size];
         UnsafeUtil.copyMemory(pos, bytes, 0, size);
@@ -1544,19 +1560,26 @@ public abstract class CodedInputStream {
     @Override
     public String readStringRequireUtf8() throws IOException {
       final int size = readRawVarint32();
-      if (size >= 0 && size <= remaining()) {
-        // TODO(nathanmittler): Is there a way to avoid this copy?
-        // The same as readBytes' logic
-        byte[] bytes = new byte[size];
-        UnsafeUtil.copyMemory(pos, bytes, 0, size);
-        // TODO(martinrb): We could save a pass by validating while decoding.
-        if (!Utf8.isValidUtf8(bytes)) {
-          throw InvalidProtocolBufferException.invalidUtf8();
-        }
+      if (size > 0 && size <= remaining()) {
+        if (ENABLE_CUSTOM_UTF8_DECODE) {
+          final int bufferPos = bufferPos(pos);
+          String result = Utf8.decodeUtf8(buffer, bufferPos, size);
+          pos += size;
+          return result;
+        } else {
+          // TODO(nathanmittler): Is there a way to avoid this copy?
+          // The same as readBytes' logic
+          byte[] bytes = new byte[size];
+          UnsafeUtil.copyMemory(pos, bytes, 0, size);
+          // TODO(martinrb): We could save a pass by validating while decoding.
+          if (!Utf8.isValidUtf8(bytes)) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
 
-        String result = new String(bytes, UTF_8);
-        pos += size;
-        return result;
+          String result = new String(bytes, UTF_8);
+          pos += size;
+          return result;
+        }
       }
 
       if (size == 0) {
@@ -2324,11 +2347,15 @@ public abstract class CodedInputStream {
         bytes = readRawBytesSlowPath(size);
         tempPos = 0;
       }
-      // TODO(martinrb): We could save a pass by validating while decoding.
-      if (!Utf8.isValidUtf8(bytes, tempPos, tempPos + size)) {
-        throw InvalidProtocolBufferException.invalidUtf8();
+      if (ENABLE_CUSTOM_UTF8_DECODE) {
+        return Utf8.decodeUtf8(bytes, tempPos, size);
+      } else {
+        // TODO(martinrb): We could save a pass by validating while decoding.
+        if (!Utf8.isValidUtf8(bytes, tempPos, tempPos + size)) {
+          throw InvalidProtocolBufferException.invalidUtf8();
+        }
+        return new String(bytes, tempPos, size, UTF_8);
       }
-      return new String(bytes, tempPos, size, UTF_8);
     }
 
     @Override
@@ -3348,23 +3375,34 @@ public abstract class CodedInputStream {
     public String readStringRequireUtf8() throws IOException {
       final int size = readRawVarint32();
       if (size > 0 && size <= currentByteBufferLimit - currentByteBufferPos) {
-        byte[] bytes = new byte[size];
-        UnsafeUtil.copyMemory(currentByteBufferPos, bytes, 0, size);
-        if (!Utf8.isValidUtf8(bytes)) {
-          throw InvalidProtocolBufferException.invalidUtf8();
+        if (ENABLE_CUSTOM_UTF8_DECODE) {
+          final int bufferPos = (int) (currentByteBufferPos - currentByteBufferStartPos);
+          String result = Utf8.decodeUtf8(currentByteBuffer, bufferPos, size);
+          currentByteBufferPos += size;
+          return result;
+        } else {
+          byte[] bytes = new byte[size];
+          UnsafeUtil.copyMemory(currentByteBufferPos, bytes, 0, size);
+          if (!Utf8.isValidUtf8(bytes)) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          String result = new String(bytes, UTF_8);
+          currentByteBufferPos += size;
+          return result;
         }
-        String result = new String(bytes, UTF_8);
-        currentByteBufferPos += size;
-        return result;
       }
       if (size >= 0 && size <= remaining()) {
         byte[] bytes = new byte[size];
         readRawBytesTo(bytes, 0, size);
-        if (!Utf8.isValidUtf8(bytes)) {
-          throw InvalidProtocolBufferException.invalidUtf8();
+        if (ENABLE_CUSTOM_UTF8_DECODE) {
+          return Utf8.decodeUtf8(bytes, 0, size);
+        } else {
+          if (!Utf8.isValidUtf8(bytes)) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          String result = new String(bytes, UTF_8);
+          return result;
         }
-        String result = new String(bytes, UTF_8);
-        return result;
       }
 
       if (size == 0) {
diff --git a/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java b/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
index 98c93b90..b09ff673 100644
--- a/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
+++ b/java/core/src/main/java/com/google/protobuf/UnsafeUtil.java
@@ -33,7 +33,6 @@ package com.google.protobuf;
 import java.lang.reflect.Field;
 import java.nio.Buffer;
 import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
 import java.security.AccessController;
 import java.security.PrivilegedExceptionAction;
 import java.util.logging.Level;
@@ -72,6 +71,8 @@ final class UnsafeUtil {
 
   private static final long BUFFER_ADDRESS_OFFSET = fieldOffset(bufferAddressField());
 
+  private static final long STRING_VALUE_OFFSET = fieldOffset(stringValueField());
+
   private UnsafeUtil() {}
 
   static boolean hasUnsafeArrayOperations() {
@@ -259,6 +260,26 @@ final class UnsafeUtil {
     return MEMORY_ACCESSOR.getLong(buffer, BUFFER_ADDRESS_OFFSET);
   }
 
+  /**
+   * Returns a new {@link String} backed by the given {@code chars}. The char array should not
+   * be mutated any more after calling this function.
+   */
+  static String moveToString(char[] chars) {
+    if (STRING_VALUE_OFFSET == -1) {
+      // In the off-chance that this JDK does not implement String as we'd expect, just do a copy.
+      return new String(chars);
+    }
+    final String str;
+    try {
+      str = (String) UNSAFE.allocateInstance(String.class);
+    } catch (InstantiationException e) {
+      // This should never happen, but return a copy as a fallback just in case.
+      return new String(chars);
+    }
+    putObject(str, STRING_VALUE_OFFSET, chars);
+    return str;
+  }
+
   static Object getStaticObject(Field field) {
     return MEMORY_ACCESSOR.getStaticObject(field);
   }
@@ -366,7 +387,12 @@ final class UnsafeUtil {
 
   /** Finds the address field within a direct {@link Buffer}. */
   private static Field bufferAddressField() {
-    return field(Buffer.class, "address");
+    return field(Buffer.class, "address", long.class);
+  }
+
+  /** Finds the value field within a {@link String}. */
+  private static Field stringValueField() {
+    return field(String.class, "value", char[].class);
   }
 
   /**
@@ -381,11 +407,14 @@ final class UnsafeUtil {
    * Gets the field with the given name within the class, or {@code null} if not found. If found,
    * the field is made accessible.
    */
-  private static Field field(Class<?> clazz, String fieldName) {
+  private static Field field(Class<?> clazz, String fieldName, Class<?> expectedType) {
     Field field;
     try {
       field = clazz.getDeclaredField(fieldName);
       field.setAccessible(true);
+      if (!field.getType().equals(expectedType)) {
+        return null;
+      }
     } catch (Throwable t) {
       // Failed to access the fields.
       field = null;
diff --git a/java/core/src/main/java/com/google/protobuf/Utf8.java b/java/core/src/main/java/com/google/protobuf/Utf8.java
index 1b136144..6968abb3 100644
--- a/java/core/src/main/java/com/google/protobuf/Utf8.java
+++ b/java/core/src/main/java/com/google/protobuf/Utf8.java
@@ -34,11 +34,15 @@ import static com.google.protobuf.UnsafeUtil.addressOffset;
 import static com.google.protobuf.UnsafeUtil.hasUnsafeArrayOperations;
 import static com.google.protobuf.UnsafeUtil.hasUnsafeByteBufferOperations;
 import static java.lang.Character.MAX_SURROGATE;
+import static java.lang.Character.MIN_HIGH_SURROGATE;
+import static java.lang.Character.MIN_LOW_SURROGATE;
+import static java.lang.Character.MIN_SUPPLEMENTARY_CODE_POINT;
 import static java.lang.Character.MIN_SURROGATE;
 import static java.lang.Character.isSurrogatePair;
 import static java.lang.Character.toCodePoint;
 
 import java.nio.ByteBuffer;
+import java.util.Arrays;
 
 /**
  * A set of low-level, high-performance static utility methods related
@@ -289,7 +293,7 @@ final class Utf8 {
         if (Character.MIN_SURROGATE <= c && c <= Character.MAX_SURROGATE) {
           // Check that we have a well-formed surrogate pair.
           int cp = Character.codePointAt(sequence, i);
-          if (cp < Character.MIN_SUPPLEMENTARY_CODE_POINT) {
+          if (cp < MIN_SUPPLEMENTARY_CODE_POINT) {
             throw new UnpairedSurrogateException(i, utf16Length);
           }
           i++;
@@ -331,6 +335,26 @@ final class Utf8 {
   }
 
   /**
+   * Decodes the given UTF-8 portion of the {@link ByteBuffer} into a {@link String}.
+   *
+   * @throws InvalidProtocolBufferException if the input is not valid UTF-8.
+   */
+  static String decodeUtf8(ByteBuffer buffer, int index, int size)
+      throws InvalidProtocolBufferException {
+    return processor.decodeUtf8(buffer, index, size);
+  }
+
+  /**
+   * Decodes the given UTF-8 encoded byte array slice into a {@link String}.
+   *
+   * @throws InvalidProtocolBufferException if the input is not valid UTF-8.
+   */
+  static String decodeUtf8(byte[] bytes, int index, int size)
+      throws InvalidProtocolBufferException {
+    return processor.decodeUtf8(bytes, index, size);
+  }
+
+  /**
    * Encodes the given characters to the target {@link ByteBuffer} using UTF-8 encoding.
    *
    * <p>Selects an optimal algorithm based on the type of {@link ByteBuffer} (i.e. heap or direct)
@@ -610,6 +634,116 @@ final class Utf8 {
     }
 
     /**
+     * Decodes the given byte array slice into a {@link String}.
+     *
+     * @throws InvalidProtocolBufferException if the byte array slice is not valid UTF-8.
+     */
+    abstract String decodeUtf8(byte[] bytes, int index, int size)
+        throws InvalidProtocolBufferException;
+
+    /**
+     * Decodes the given portion of the {@link ByteBuffer} into a {@link String}.
+     *
+     * @throws InvalidProtocolBufferException if the portion of the buffer is not valid UTF-8.
+     */
+    final String decodeUtf8(ByteBuffer buffer, int index, int size)
+        throws InvalidProtocolBufferException {
+      if (buffer.hasArray()) {
+        final int offset = buffer.arrayOffset();
+        return decodeUtf8(buffer.array(), offset + index, size);
+      } else if (buffer.isDirect()) {
+        return decodeUtf8Direct(buffer, index, size);
+      }
+      return decodeUtf8Default(buffer, index, size);
+    }
+
+    /**
+     * Decodes direct {@link ByteBuffer} instances into {@link String}.
+     */
+    abstract String decodeUtf8Direct(ByteBuffer buffer, int index, int size)
+        throws InvalidProtocolBufferException;
+
+    /**
+     * Decodes {@link ByteBuffer} instances using the {@link ByteBuffer} API rather than
+     * potentially faster approaches.
+     */
+    final String decodeUtf8Default(ByteBuffer buffer, int index, int size)
+        throws InvalidProtocolBufferException {
+      // Bitwise OR combines the sign bits so any negative value fails the check.
+      if ((index | size | buffer.limit() - index - size) < 0) {
+        throw new ArrayIndexOutOfBoundsException(
+            String.format("buffer limit=%d, index=%d, limit=%d", buffer.limit(), index, size));
+      }
+
+      int offset = index;
+      final int limit = offset + size;
+
+      // The longest possible resulting String is the same as the number of input bytes, when it is
+      // all ASCII. For other cases, this over-allocates and we will truncate in the end.
+      char[] resultArr = new char[size];
+      int resultPos = 0;
+
+      // Optimize for 100% ASCII (Hotspot loves small simple top-level loops like this).
+      // This simple loop stops when we encounter a byte >= 0x80 (i.e. non-ASCII).
+      while (offset < limit) {
+        byte b = buffer.get(offset);
+        if (!DecodeUtil.isOneByte(b)) {
+          break;
+        }
+        offset++;
+        DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+      }
+
+      while (offset < limit) {
+        byte byte1 = buffer.get(offset++);
+        if (DecodeUtil.isOneByte(byte1)) {
+          DecodeUtil.handleOneByte(byte1, resultArr, resultPos++);
+          // It's common for there to be multiple ASCII characters in a run mixed in, so add an
+          // extra optimized loop to take care of these runs.
+          while (offset < limit) {
+            byte b = buffer.get(offset);
+            if (!DecodeUtil.isOneByte(b)) {
+              break;
+            }
+            offset++;
+            DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+          }
+        } else if (DecodeUtil.isTwoBytes(byte1)) {
+          if (offset >= limit) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleTwoBytes(
+              byte1, /* byte2 */ buffer.get(offset++), resultArr, resultPos++);
+        } else if (DecodeUtil.isThreeBytes(byte1)) {
+          if (offset >= limit - 1) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleThreeBytes(
+              byte1,
+              /* byte2 */ buffer.get(offset++),
+              /* byte3 */ buffer.get(offset++),
+              resultArr,
+              resultPos++);
+        } else {
+          if (offset >= limit - 2) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleFourBytes(
+              byte1,
+              /* byte2 */ buffer.get(offset++),
+              /* byte3 */ buffer.get(offset++),
+              /* byte4 */ buffer.get(offset++),
+              resultArr,
+              resultPos++);
+          // 4-byte case requires two chars.
+          resultPos++;
+        }
+      }
+
+      return new String(resultArr, 0, resultPos);
+    }
+
+    /**
      * Encodes an input character sequence ({@code in}) to UTF-8 in the target array ({@code out}).
      * For a string, this method is similar to
      * <pre>{@code
@@ -851,6 +985,88 @@ final class Utf8 {
     }
 
     @Override
+    String decodeUtf8(byte[] bytes, int index, int size) throws InvalidProtocolBufferException {
+      // Bitwise OR combines the sign bits so any negative value fails the check.
+      if ((index | size | bytes.length - index - size) < 0) {
+        throw new ArrayIndexOutOfBoundsException(
+            String.format("buffer length=%d, index=%d, size=%d", bytes.length, index, size));
+      }
+
+      int offset = index;
+      final int limit = offset + size;
+
+      // The longest possible resulting String is the same as the number of input bytes, when it is
+      // all ASCII. For other cases, this over-allocates and we will truncate in the end.
+      char[] resultArr = new char[size];
+      int resultPos = 0;
+
+      // Optimize for 100% ASCII (Hotspot loves small simple top-level loops like this).
+      // This simple loop stops when we encounter a byte >= 0x80 (i.e. non-ASCII).
+      while (offset < limit) {
+        byte b = bytes[offset];
+        if (!DecodeUtil.isOneByte(b)) {
+          break;
+        }
+        offset++;
+        DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+      }
+
+      while (offset < limit) {
+        byte byte1 = bytes[offset++];
+        if (DecodeUtil.isOneByte(byte1)) {
+          DecodeUtil.handleOneByte(byte1, resultArr, resultPos++);
+          // It's common for there to be multiple ASCII characters in a run mixed in, so add an
+          // extra optimized loop to take care of these runs.
+          while (offset < limit) {
+            byte b = bytes[offset];
+            if (!DecodeUtil.isOneByte(b)) {
+              break;
+            }
+            offset++;
+            DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+          }
+        } else if (DecodeUtil.isTwoBytes(byte1)) {
+          if (offset >= limit) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleTwoBytes(byte1, /* byte2 */ bytes[offset++], resultArr, resultPos++);
+        } else if (DecodeUtil.isThreeBytes(byte1)) {
+          if (offset >= limit - 1) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleThreeBytes(
+              byte1,
+              /* byte2 */ bytes[offset++],
+              /* byte3 */ bytes[offset++],
+              resultArr,
+              resultPos++);
+        } else {
+          if (offset >= limit - 2) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleFourBytes(
+              byte1,
+              /* byte2 */ bytes[offset++],
+              /* byte3 */ bytes[offset++],
+              /* byte4 */ bytes[offset++],
+              resultArr,
+              resultPos++);
+          // 4-byte case requires two chars.
+          resultPos++;
+        }
+      }
+
+      return new String(resultArr, 0, resultPos);
+    }
+
+    @Override
+    String decodeUtf8Direct(ByteBuffer buffer, int index, int size)
+        throws InvalidProtocolBufferException {
+      // For safe processing, we have to use the ByteBufferAPI.
+      return decodeUtf8Default(buffer, index, size);
+    }
+
+    @Override
     int encodeUtf8(CharSequence in, byte[] out, int offset, int length) {
       int utf16Length = in.length();
       int j = offset;
@@ -996,6 +1212,7 @@ final class Utf8 {
 
     @Override
     int partialIsValidUtf8(int state, byte[] bytes, final int index, final int limit) {
+      // Bitwise OR combines the sign bits so any negative value fails the check.
       if ((index | limit | bytes.length - limit) < 0) {
         throw new ArrayIndexOutOfBoundsException(
             String.format("Array length=%d, index=%d, limit=%d", bytes.length, index, limit));
@@ -1091,6 +1308,7 @@ final class Utf8 {
     @Override
     int partialIsValidUtf8Direct(
         final int state, ByteBuffer buffer, final int index, final int limit) {
+      // Bitwise OR combines the sign bits so any negative value fails the check.
       if ((index | limit | buffer.limit() - limit) < 0) {
         throw new ArrayIndexOutOfBoundsException(
             String.format("buffer limit=%d, index=%d, limit=%d", buffer.limit(), index, limit));
@@ -1185,6 +1403,163 @@ final class Utf8 {
     }
 
     @Override
+    String decodeUtf8(byte[] bytes, int index, int size) throws InvalidProtocolBufferException {
+      if ((index | size | bytes.length - index - size) < 0) {
+        throw new ArrayIndexOutOfBoundsException(
+            String.format("buffer length=%d, index=%d, size=%d", bytes.length, index, size));
+      }
+
+      int offset = index;
+      final int limit = offset + size;
+
+      // The longest possible resulting String is the same as the number of input bytes, when it is
+      // all ASCII. For other cases, this over-allocates and we will truncate in the end.
+      char[] resultArr = new char[size];
+      int resultPos = 0;
+
+      // Optimize for 100% ASCII (Hotspot loves small simple top-level loops like this).
+      // This simple loop stops when we encounter a byte >= 0x80 (i.e. non-ASCII).
+      while (offset < limit) {
+        byte b = UnsafeUtil.getByte(bytes, offset);
+        if (!DecodeUtil.isOneByte(b)) {
+          break;
+        }
+        offset++;
+        DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+      }
+
+      while (offset < limit) {
+        byte byte1 = UnsafeUtil.getByte(bytes, offset++);
+        if (DecodeUtil.isOneByte(byte1)) {
+          DecodeUtil.handleOneByte(byte1, resultArr, resultPos++);
+          // It's common for there to be multiple ASCII characters in a run mixed in, so add an
+          // extra optimized loop to take care of these runs.
+          while (offset < limit) {
+            byte b = UnsafeUtil.getByte(bytes, offset);
+            if (!DecodeUtil.isOneByte(b)) {
+              break;
+            }
+            offset++;
+            DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+          }
+        } else if (DecodeUtil.isTwoBytes(byte1)) {
+          if (offset >= limit) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleTwoBytes(
+              byte1, /* byte2 */ UnsafeUtil.getByte(bytes, offset++), resultArr, resultPos++);
+        } else if (DecodeUtil.isThreeBytes(byte1)) {
+          if (offset >= limit - 1) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleThreeBytes(
+              byte1,
+              /* byte2 */ UnsafeUtil.getByte(bytes, offset++),
+              /* byte3 */ UnsafeUtil.getByte(bytes, offset++),
+              resultArr,
+              resultPos++);
+        } else {
+          if (offset >= limit - 2) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleFourBytes(
+              byte1,
+              /* byte2 */ UnsafeUtil.getByte(bytes, offset++),
+              /* byte3 */ UnsafeUtil.getByte(bytes, offset++),
+              /* byte4 */ UnsafeUtil.getByte(bytes, offset++),
+              resultArr,
+              resultPos++);
+          // 4-byte case requires two chars.
+          resultPos++;
+        }
+      }
+
+      if (resultPos < resultArr.length) {
+        resultArr = Arrays.copyOf(resultArr, resultPos);
+      }
+      return UnsafeUtil.moveToString(resultArr);
+    }
+
+    @Override
+    String decodeUtf8Direct(ByteBuffer buffer, int index, int size)
+        throws InvalidProtocolBufferException {
+      // Bitwise OR combines the sign bits so any negative value fails the check.
+      if ((index | size | buffer.limit() - index - size) < 0) {
+        throw new ArrayIndexOutOfBoundsException(
+            String.format("buffer limit=%d, index=%d, limit=%d", buffer.limit(), index, size));
+      }
+      long address = UnsafeUtil.addressOffset(buffer) + index;
+      final long addressLimit = address + size;
+
+      // The longest possible resulting String is the same as the number of input bytes, when it is
+      // all ASCII. For other cases, this over-allocates and we will truncate in the end.
+      char[] resultArr = new char[size];
+      int resultPos = 0;
+
+      // Optimize for 100% ASCII (Hotspot loves small simple top-level loops like this).
+      // This simple loop stops when we encounter a byte >= 0x80 (i.e. non-ASCII).
+      while (address < addressLimit) {
+        byte b = UnsafeUtil.getByte(address);
+        if (!DecodeUtil.isOneByte(b)) {
+          break;
+        }
+        address++;
+        DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+      }
+
+      while (address < addressLimit) {
+        byte byte1 = UnsafeUtil.getByte(address++);
+        if (DecodeUtil.isOneByte(byte1)) {
+          DecodeUtil.handleOneByte(byte1, resultArr, resultPos++);
+          // It's common for there to be multiple ASCII characters in a run mixed in, so add an
+          // extra optimized loop to take care of these runs.
+          while (address < addressLimit) {
+            byte b = UnsafeUtil.getByte(address);
+            if (!DecodeUtil.isOneByte(b)) {
+              break;
+            }
+            address++;
+            DecodeUtil.handleOneByte(b, resultArr, resultPos++);
+          }
+        } else if (DecodeUtil.isTwoBytes(byte1)) {
+          if (address >= addressLimit) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleTwoBytes(
+              byte1, /* byte2 */ UnsafeUtil.getByte(address++), resultArr, resultPos++);
+        } else if (DecodeUtil.isThreeBytes(byte1)) {
+          if (address >= addressLimit - 1) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleThreeBytes(
+              byte1,
+              /* byte2 */ UnsafeUtil.getByte(address++),
+              /* byte3 */ UnsafeUtil.getByte(address++),
+              resultArr,
+              resultPos++);
+        } else {
+          if (address >= addressLimit - 2) {
+            throw InvalidProtocolBufferException.invalidUtf8();
+          }
+          DecodeUtil.handleFourBytes(
+              byte1,
+              /* byte2 */ UnsafeUtil.getByte(address++),
+              /* byte3 */ UnsafeUtil.getByte(address++),
+              /* byte4 */ UnsafeUtil.getByte(address++),
+              resultArr,
+              resultPos++);
+          // 4-byte case requires two chars.
+          resultPos++;
+        }
+      }
+
+      if (resultPos < resultArr.length) {
+        resultArr = Arrays.copyOf(resultArr, resultPos);
+      }
+      return UnsafeUtil.moveToString(resultArr);
+    }
+
+    @Override
     int encodeUtf8(final CharSequence in, final byte[] out, final int offset, final int length) {
       long outIx = offset;
       final long outLimit = outIx + length;
@@ -1554,5 +1929,112 @@ final class Utf8 {
     }
   }
 
+  /**
+   * Utility methods for decoding bytes into {@link String}. Callers are responsible for extracting
+   * bytes (possibly using Unsafe methods), and checking remaining bytes. All other UTF-8 validity
+   * checks and codepoint conversion happen in this class.
+   */
+  private static class DecodeUtil {
+
+    /**
+     * Returns whether this is a single-byte codepoint (i.e., ASCII) with the form '0XXXXXXX'.
+     */
+    private static boolean isOneByte(byte b) {
+      return b >= 0;
+    }
+
+    /**
+     * Returns whether this is a two-byte codepoint with the form '10XXXXXX'.
+     */
+    private static boolean isTwoBytes(byte b) {
+      return b < (byte) 0xE0;
+    }
+
+    /**
+     * Returns whether this is a three-byte codepoint with the form '110XXXXX'.
+     */
+    private static boolean isThreeBytes(byte b) {
+      return b < (byte) 0xF0;
+    }
+
+    private static void handleOneByte(byte byte1, char[] resultArr, int resultPos) {
+      resultArr[resultPos] = (char) byte1;
+    }
+
+    private static void handleTwoBytes(
+        byte byte1, byte byte2, char[] resultArr, int resultPos)
+        throws InvalidProtocolBufferException {
+      // Simultaneously checks for illegal trailing-byte in leading position (<= '11000000') and
+      // overlong 2-byte, '11000001'.
+      if (byte1 < (byte) 0xC2
+          || isNotTrailingByte(byte2)) {
+        throw InvalidProtocolBufferException.invalidUtf8();
+      }
+      resultArr[resultPos] = (char) (((byte1 & 0x1F) << 6) | trailingByteValue(byte2));
+    }
+
+    private static void handleThreeBytes(
+        byte byte1, byte byte2, byte byte3, char[] resultArr, int resultPos)
+        throws InvalidProtocolBufferException {
+      if (isNotTrailingByte(byte2)
+          // overlong? 5 most significant bits must not all be zero
+          || (byte1 == (byte) 0xE0 && byte2 < (byte) 0xA0)
+          // check for illegal surrogate codepoints
+          || (byte1 == (byte) 0xED && byte2 >= (byte) 0xA0)
+          || isNotTrailingByte(byte3)) {
+        throw InvalidProtocolBufferException.invalidUtf8();
+      }
+      resultArr[resultPos] = (char)
+          (((byte1 & 0x0F) << 12) | (trailingByteValue(byte2) << 6) | trailingByteValue(byte3));
+    }
+
+    private static void handleFourBytes(
+        byte byte1, byte byte2, byte byte3, byte byte4, char[] resultArr, int resultPos)
+        throws InvalidProtocolBufferException{
+      if (isNotTrailingByte(byte2)
+          // Check that 1 <= plane <= 16.  Tricky optimized form of:
+          //   valid 4-byte leading byte?
+          // if (byte1 > (byte) 0xF4 ||
+          //   overlong? 4 most significant bits must not all be zero
+          //     byte1 == (byte) 0xF0 && byte2 < (byte) 0x90 ||
+          //   codepoint larger than the highest code point (U+10FFFF)?
+          //     byte1 == (byte) 0xF4 && byte2 > (byte) 0x8F)
+          || (((byte1 << 28) + (byte2 - (byte) 0x90)) >> 30) != 0
+          || isNotTrailingByte(byte3)
+          || isNotTrailingByte(byte4)) {
+        throw InvalidProtocolBufferException.invalidUtf8();
+      }
+      int codepoint = ((byte1 & 0x07) << 18)
+          | (trailingByteValue(byte2) << 12)
+          | (trailingByteValue(byte3) << 6)
+          | trailingByteValue(byte4);
+      resultArr[resultPos] = DecodeUtil.highSurrogate(codepoint);
+      resultArr[resultPos + 1] = DecodeUtil.lowSurrogate(codepoint);
+    }
+
+    /**
+     * Returns whether the byte is not a valid continuation of the form '10XXXXXX'.
+     */
+    private static boolean isNotTrailingByte(byte b) {
+      return b > (byte) 0xBF;
+    }
+
+    /**
+     * Returns the actual value of the trailing byte (removes the prefix '10') for composition.
+     */
+    private static int trailingByteValue(byte b) {
+      return b & 0x3F;
+    }
+
+    private static char highSurrogate(int codePoint) {
+      return (char) ((MIN_HIGH_SURROGATE - (MIN_SUPPLEMENTARY_CODE_POINT >>> 10))
+          + (codePoint >>> 10));
+    }
+
+    private static char lowSurrogate(int codePoint) {
+      return (char) (MIN_LOW_SURROGATE + (codePoint & 0x3ff));
+    }
+  }
+
   private Utf8() {}
 }
diff --git a/java/core/src/test/java/com/google/protobuf/DecodeUtf8Test.java b/java/core/src/test/java/com/google/protobuf/DecodeUtf8Test.java
new file mode 100644
index 00000000..359d4d74
--- /dev/null
+++ b/java/core/src/test/java/com/google/protobuf/DecodeUtf8Test.java
@@ -0,0 +1,325 @@
+package com.google.protobuf;
+
+import com.google.protobuf.Utf8.Processor;
+import com.google.protobuf.Utf8.SafeProcessor;
+import com.google.protobuf.Utf8.UnsafeProcessor;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+import junit.framework.TestCase;
+
+public class DecodeUtf8Test extends TestCase {
+  private static Logger logger = Logger.getLogger(DecodeUtf8Test.class.getName());
+
+  private static final Processor SAFE_PROCESSOR = new SafeProcessor();
+  private static final Processor UNSAFE_PROCESSOR = new UnsafeProcessor();
+
+  public void testRoundTripAllValidChars() throws Exception {
+    for (int i = Character.MIN_CODE_POINT; i < Character.MAX_CODE_POINT; i++) {
+      if (i < Character.MIN_SURROGATE || i > Character.MAX_SURROGATE) {
+        String str = new String(Character.toChars(i));
+        assertRoundTrips(str);
+      }
+    }
+  }
+
+  // Test all 1, 2, 3 invalid byte combinations. Valid ones would have been covered above.
+
+  public void testOneByte() throws Exception {
+    int valid = 0;
+    for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+      ByteString bs = ByteString.copyFrom(new byte[] { (byte) i });
+      if (!bs.isValidUtf8()) {
+        assertInvalid(bs.toByteArray());
+      } else {
+        valid++;
+      }
+    }
+    assertEquals(IsValidUtf8TestUtil.EXPECTED_ONE_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+  }
+
+  public void testTwoBytes() throws Exception {
+    int valid = 0;
+    for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+      for (int j = Byte.MIN_VALUE; j <= Byte.MAX_VALUE; j++) {
+        ByteString bs = ByteString.copyFrom(new byte[]{(byte) i, (byte) j});
+        if (!bs.isValidUtf8()) {
+          assertInvalid(bs.toByteArray());
+        } else {
+          valid++;
+        }
+      }
+    }
+    assertEquals(IsValidUtf8TestUtil.EXPECTED_TWO_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+  }
+
+  public void testThreeBytes() throws Exception {
+    // Travis' OOM killer doesn't like this test
+    if (System.getenv("TRAVIS") == null) {
+      int count = 0;
+      int valid = 0;
+      for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
+        for (int j = Byte.MIN_VALUE; j <= Byte.MAX_VALUE; j++) {
+          for (int k = Byte.MIN_VALUE; k <= Byte.MAX_VALUE; k++) {
+            byte[] bytes = new byte[]{(byte) i, (byte) j, (byte) k};
+            ByteString bs = ByteString.copyFrom(bytes);
+            if (!bs.isValidUtf8()) {
+              assertInvalid(bytes);
+            } else {
+              valid++;
+            }
+            count++;
+            if (count % 1000000L == 0) {
+              logger.info("Processed " + (count / 1000000L) + " million characters");
+            }
+          }
+        }
+      }
+      assertEquals(IsValidUtf8TestUtil.EXPECTED_THREE_BYTE_ROUNDTRIPPABLE_COUNT, valid);
+    }
+  }
+
+  /**
+   * Tests that round tripping of a sample of four byte permutations work.
+   */
+  public void testInvalid_4BytesSamples() throws Exception {
+    // Bad trailing bytes
+    assertInvalid(0xF0, 0xA4, 0xAD, 0x7F);
+    assertInvalid(0xF0, 0xA4, 0xAD, 0xC0);
+
+    // Special cases for byte2
+    assertInvalid(0xF0, 0x8F, 0xAD, 0xA2);
+    assertInvalid(0xF4, 0x90, 0xAD, 0xA2);
+  }
+
+  public void testRealStrings() throws Exception {
+    // English
+    assertRoundTrips("The quick brown fox jumps over the lazy dog");
+    // German
+    assertRoundTrips("Quizdeltagerne spiste jordb\u00e6r med fl\u00f8de, mens cirkusklovnen");
+    // Japanese
+    assertRoundTrips(
+        "\u3044\u308d\u306f\u306b\u307b\u3078\u3068\u3061\u308a\u306c\u308b\u3092");
+    // Hebrew
+    assertRoundTrips(
+        "\u05d3\u05d2 \u05e1\u05e7\u05e8\u05df \u05e9\u05d8 \u05d1\u05d9\u05dd "
+            + "\u05de\u05d0\u05d5\u05db\u05d6\u05d1 \u05d5\u05dc\u05e4\u05ea\u05e2"
+            + " \u05de\u05e6\u05d0 \u05dc\u05d5 \u05d7\u05d1\u05e8\u05d4 "
+            + "\u05d0\u05d9\u05da \u05d4\u05e7\u05dc\u05d9\u05d8\u05d4");
+    // Thai
+    assertRoundTrips(
+        " \u0e08\u0e07\u0e1d\u0e48\u0e32\u0e1f\u0e31\u0e19\u0e1e\u0e31\u0e12"
+            + "\u0e19\u0e32\u0e27\u0e34\u0e0a\u0e32\u0e01\u0e32\u0e23");
+    // Chinese
+    assertRoundTrips(
+        "\u8fd4\u56de\u94fe\u4e2d\u7684\u4e0b\u4e00\u4e2a\u4ee3\u7406\u9879\u9009\u62e9\u5668");
+    // Chinese with 4-byte chars
+    assertRoundTrips("\uD841\uDF0E\uD841\uDF31\uD841\uDF79\uD843\uDC53\uD843\uDC78"
+        + "\uD843\uDC96\uD843\uDCCF\uD843\uDCD5\uD843\uDD15\uD843\uDD7C\uD843\uDD7F"
+        + "\uD843\uDE0E\uD843\uDE0F\uD843\uDE77\uD843\uDE9D\uD843\uDEA2");
+    // Mixed
+    assertRoundTrips(
+        "The quick brown \u3044\u308d\u306f\u306b\u307b\u3078\u8fd4\u56de\u94fe"
+            + "\u4e2d\u7684\u4e0b\u4e00");
+  }
+
+  public void testOverlong() throws Exception {
+    assertInvalid(0xc0, 0xaf);
+    assertInvalid(0xe0, 0x80, 0xaf);
+    assertInvalid(0xf0, 0x80, 0x80, 0xaf);
+
+    // Max overlong
+    assertInvalid(0xc1, 0xbf);
+    assertInvalid(0xe0, 0x9f, 0xbf);
+    assertInvalid(0xf0 ,0x8f, 0xbf, 0xbf);
+
+    // null overlong
+    assertInvalid(0xc0, 0x80);
+    assertInvalid(0xe0, 0x80, 0x80);
+    assertInvalid(0xf0, 0x80, 0x80, 0x80);
+  }
+
+  public void testIllegalCodepoints() throws Exception {
+    // Single surrogate
+    assertInvalid(0xed, 0xa0, 0x80);
+    assertInvalid(0xed, 0xad, 0xbf);
+    assertInvalid(0xed, 0xae, 0x80);
+    assertInvalid(0xed, 0xaf, 0xbf);
+    assertInvalid(0xed, 0xb0, 0x80);
+    assertInvalid(0xed, 0xbe, 0x80);
+    assertInvalid(0xed, 0xbf, 0xbf);
+
+    // Paired surrogates
+    assertInvalid(0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80);
+    assertInvalid(0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf);
+    assertInvalid(0xed, 0xad, 0xbf, 0xed, 0xb0, 0x80);
+    assertInvalid(0xed, 0xad, 0xbf, 0xed, 0xbf, 0xbf);
+    assertInvalid(0xed, 0xae, 0x80, 0xed, 0xb0, 0x80);
+    assertInvalid(0xed, 0xae, 0x80, 0xed, 0xbf, 0xbf);
+    assertInvalid(0xed, 0xaf, 0xbf, 0xed, 0xb0, 0x80);
+    assertInvalid(0xed, 0xaf, 0xbf, 0xed, 0xbf, 0xbf);
+  }
+
+  public void testBufferSlice() throws Exception {
+    String str = "The quick brown fox jumps over the lazy dog";
+    assertRoundTrips(str, 10, 4);
+    assertRoundTrips(str, str.length(), 0);
+  }
+
+  public void testInvalidBufferSlice() throws Exception {
+    byte[] bytes  = "The quick brown fox jumps over the lazy dog".getBytes(Internal.UTF_8);
+    assertInvalidSlice(bytes, bytes.length - 3, 4);
+    assertInvalidSlice(bytes, bytes.length, 1);
+    assertInvalidSlice(bytes, bytes.length + 1, 0);
+    assertInvalidSlice(bytes, 0, bytes.length + 1);
+  }
+
+  private void assertInvalid(int... bytesAsInt) throws Exception {
+    byte[] bytes = new byte[bytesAsInt.length];
+    for (int i = 0; i < bytesAsInt.length; i++) {
+      bytes[i] = (byte) bytesAsInt[i];
+    }
+    assertInvalid(bytes);
+  }
+
+  private void assertInvalid(byte[] bytes) throws Exception {
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(bytes, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(bytes, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+
+    ByteBuffer direct = ByteBuffer.allocateDirect(bytes.length);
+    direct.put(bytes);
+    direct.flip();
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(direct, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(direct, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+
+    ByteBuffer heap = ByteBuffer.allocate(bytes.length);
+    heap.put(bytes);
+    heap.flip();
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(heap, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(heap, 0, bytes.length);
+      fail();
+    } catch (InvalidProtocolBufferException e) {
+      // Expected.
+    }
+  }
+
+  private void assertInvalidSlice(byte[] bytes, int index, int size) throws Exception {
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(bytes, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(bytes, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+
+    ByteBuffer direct = ByteBuffer.allocateDirect(bytes.length);
+    direct.put(bytes);
+    direct.flip();
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(direct, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(direct, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+
+    ByteBuffer heap = ByteBuffer.allocate(bytes.length);
+    heap.put(bytes);
+    heap.flip();
+    try {
+      UNSAFE_PROCESSOR.decodeUtf8(heap, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+    try {
+      SAFE_PROCESSOR.decodeUtf8(heap, index, size);
+      fail();
+    } catch (ArrayIndexOutOfBoundsException e) {
+      // Expected.
+    }
+  }
+
+  private void assertRoundTrips(String str) throws Exception {
+    assertRoundTrips(str, 0, -1);
+  }
+
+  private void assertRoundTrips(String str, int index, int size) throws Exception {
+    byte[] bytes = str.getBytes(Internal.UTF_8);
+    if (size == -1) {
+      size = bytes.length;
+    }
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        UNSAFE_PROCESSOR.decodeUtf8(bytes, index, size));
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        SAFE_PROCESSOR.decodeUtf8(bytes, index, size));
+
+    ByteBuffer direct = ByteBuffer.allocateDirect(bytes.length);
+    direct.put(bytes);
+    direct.flip();
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        UNSAFE_PROCESSOR.decodeUtf8(direct, index, size));
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        SAFE_PROCESSOR.decodeUtf8(direct, index, size));
+
+    ByteBuffer heap = ByteBuffer.allocate(bytes.length);
+    heap.put(bytes);
+    heap.flip();
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        UNSAFE_PROCESSOR.decodeUtf8(heap, index, size));
+    assertDecode(new String(bytes, index, size, Internal.UTF_8),
+        SAFE_PROCESSOR.decodeUtf8(heap, index, size));
+  }
+
+  private void assertDecode(String expected, String actual) {
+    if (!expected.equals(actual)) {
+      fail("Failure: Expected (" + codepoints(expected) + ") Actual (" + codepoints(actual) + ")");
+    }
+  }
+
+  private List<String> codepoints(String str) {
+    List<String> codepoints = new ArrayList<String>();
+    for (int i = 0; i < str.length(); i++) {
+      codepoints.add(Long.toHexString(str.charAt(i)));
+    }
+    return codepoints;
+  }
+
+}
diff --git a/java/core/src/test/java/com/google/protobuf/IsValidUtf8TestUtil.java b/java/core/src/test/java/com/google/protobuf/IsValidUtf8TestUtil.java
index 16a808bf..1bcf63e7 100644
--- a/java/core/src/test/java/com/google/protobuf/IsValidUtf8TestUtil.java
+++ b/java/core/src/test/java/com/google/protobuf/IsValidUtf8TestUtil.java
@@ -273,6 +273,15 @@ final class IsValidUtf8TestUtil {
       assertEquals(isRoundTrippable, Utf8.isValidUtf8(bytes));
       assertEquals(isRoundTrippable, Utf8.isValidUtf8(bytes, 0, numBytes));
 
+      try {
+        assertEquals(s, Utf8.decodeUtf8(bytes, 0, numBytes));
+      } catch (InvalidProtocolBufferException e) {
+        if (isRoundTrippable) {
+          System.out.println("Could not decode utf-8");
+          outputFailure(byteChar, bytes, bytesReencoded);
+        }
+      }
+
       // Test partial sequences.
       // Partition numBytes into three segments (not necessarily non-empty).
       int i = rnd.nextInt(numBytes);
diff --git a/java/pom.xml b/java/pom.xml
index bc8e89b5..fa0d0e13 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-parent</artifactId>
-  <version>3.4.1</version>
+  <version>3.5.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [Parent]</name>
diff --git a/java/util/pom.xml b/java/util/pom.xml
index 35afb844..c3f2a69a 100644
--- a/java/util/pom.xml
+++ b/java/util/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.4.1</version>
+    <version>3.5.0</version>
   </parent>
 
   <artifactId>protobuf-java-util</artifactId>
diff --git a/js/package.json b/js/package.json
index 5231c846..50ebdac8 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "google-protobuf",
-  "version": "3.4.1",
+  "version": "3.5.0",
   "description": "Protocol Buffers for JavaScript",
   "main": "google-protobuf.js",
   "files": [
diff --git a/objectivec/DevTools/full_mac_build.sh b/objectivec/DevTools/full_mac_build.sh
index a825789f..7e1e9a05 100755
--- a/objectivec/DevTools/full_mac_build.sh
+++ b/objectivec/DevTools/full_mac_build.sh
@@ -253,36 +253,20 @@ if [[ "${DO_XCODE_IOS_TESTS}" == "yes" ]] ; then
       XCODEBUILD_TEST_BASE_IOS+=(
           -destination "platform=iOS Simulator,name=iPhone 4s,OS=9.0" # 32bit
           -destination "platform=iOS Simulator,name=iPhone 7,OS=10.0" # 64bit
-          -destination "platform=iOS Simulator,name=iPad 2,OS=9.0" # 32bit
-          -destination "platform=iOS Simulator,name=iPad Pro (9.7 inch),OS=10.0" # 64bit
       )
       ;;
-    8.1* )
-      XCODEBUILD_TEST_BASE_IOS+=(
-          -destination "platform=iOS Simulator,name=iPhone 4s,OS=8.1" # 32bit
-          -destination "platform=iOS Simulator,name=iPhone 7,OS=10.1" # 64bit
-          -destination "platform=iOS Simulator,name=iPad 2,OS=8.1" # 32bit
-          -destination "platform=iOS Simulator,name=iPad Pro (9.7 inch),OS=10.1" # 64bit
-      )
-      ;;
-    8.2* )
-      XCODEBUILD_TEST_BASE_IOS+=(
-          -destination "platform=iOS Simulator,name=iPhone 4s,OS=8.1" # 32bit
-          -destination "platform=iOS Simulator,name=iPhone 7,OS=10.2" # 64bit
-          -destination "platform=iOS Simulator,name=iPad 2,OS=8.1" # 32bit
-          -destination "platform=iOS Simulator,name=iPad Pro (9.7 inch),OS=10.2" # 64bit
-      )
-      ;;
-    8.3* )
+    8.[1-3]* )
       XCODEBUILD_TEST_BASE_IOS+=(
           -destination "platform=iOS Simulator,name=iPhone 4s,OS=8.1" # 32bit
           -destination "platform=iOS Simulator,name=iPhone 7,OS=latest" # 64bit
       )
       ;;
-    9.0* )
+    9.[0-1]* )
       XCODEBUILD_TEST_BASE_IOS+=(
           -destination "platform=iOS Simulator,name=iPhone 4s,OS=8.1" # 32bit
           -destination "platform=iOS Simulator,name=iPhone 7,OS=latest" # 64bit
+          # 9.0/9.1 both seem to often fail running destinations in parallel
+          -disable-concurrent-testing
       )
       ;;
     * )
@@ -299,7 +283,7 @@ if [[ "${DO_XCODE_IOS_TESTS}" == "yes" ]] ; then
     "${XCODEBUILD_TEST_BASE_IOS[@]}" -configuration Release test
   fi
   # Don't leave the simulator in the developer's face.
-  killall Simulator
+  killall Simulator 2> /dev/null || true
 fi
 if [[ "${DO_XCODE_OSX_TESTS}" == "yes" ]] ; then
   XCODEBUILD_TEST_BASE_OSX=(
diff --git a/objectivec/GPBCodedOutputStream.m b/objectivec/GPBCodedOutputStream.m
index c299040f..f832e8a6 100644
--- a/objectivec/GPBCodedOutputStream.m
+++ b/objectivec/GPBCodedOutputStream.m
@@ -174,10 +174,10 @@ static void GPBWriteRawLittleEndian64(GPBOutputBufferState *state,
                                 data:(NSMutableData *)data {
   if ((self = [super init])) {
     buffer_ = [data retain];
-    [output open];
     state_.bytes = [data mutableBytes];
     state_.size = [data length];
     state_.output = [output retain];
+    [state_.output open];
   }
   return self;
 }
diff --git a/objectivec/GPBDictionary.h b/objectivec/GPBDictionary.h
index 9d674150..a81165e8 100644
--- a/objectivec/GPBDictionary.h
+++ b/objectivec/GPBDictionary.h
@@ -60,55 +60,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const uint32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32UInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -204,55 +155,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const uint32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32Int32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -348,55 +250,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const uint32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32UInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -492,55 +345,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const uint32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32Int64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -636,55 +440,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const uint32_t [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32BoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -780,55 +535,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const uint32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32FloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -924,55 +630,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const uint32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32DoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -1070,70 +727,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const uint32_t [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32EnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -1294,55 +887,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param object     The value to be placed in the dictionary.
- * @param key        The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithObject:(ObjectType)object
-                              forKey:(uint32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param objects      The values to be placed in the dictionary.
- * @param keys         The keys under which to store the values.
- * @param count        The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithObjects:(const ObjectType __nonnull GPB_UNSAFE_UNRETAINED [__nullable])objects
-                              forKeys:(const uint32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32ObjectDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param objects      The values to be placed in this dictionary.
@@ -1437,55 +981,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const int32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32UInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -1581,55 +1076,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const int32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32Int32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -1725,55 +1171,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const int32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32UInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -1869,55 +1266,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const int32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32Int64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -2013,55 +1361,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const int32_t [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32BoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -2157,55 +1456,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const int32_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32FloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -2301,55 +1551,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const int32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32DoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -2447,70 +1648,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const int32_t [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32EnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -2671,55 +1808,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param object     The value to be placed in the dictionary.
- * @param key        The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithObject:(ObjectType)object
-                              forKey:(int32_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param objects      The values to be placed in the dictionary.
- * @param keys         The keys under which to store the values.
- * @param count        The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithObjects:(const ObjectType __nonnull GPB_UNSAFE_UNRETAINED [__nullable])objects
-                              forKeys:(const int32_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt32ObjectDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param objects      The values to be placed in this dictionary.
@@ -2814,55 +1902,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const uint64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64UInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -2958,55 +1997,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const uint64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64Int32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3102,55 +2092,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const uint64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64UInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3246,55 +2187,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const uint64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64Int64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3390,55 +2282,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const uint64_t [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64BoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3534,55 +2377,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const uint64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64FloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3678,55 +2472,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const uint64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64DoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -3824,70 +2569,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const uint64_t [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64EnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -4048,55 +2729,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param object     The value to be placed in the dictionary.
- * @param key        The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithObject:(ObjectType)object
-                              forKey:(uint64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param objects      The values to be placed in the dictionary.
- * @param keys         The keys under which to store the values.
- * @param count        The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithObjects:(const ObjectType __nonnull GPB_UNSAFE_UNRETAINED [__nullable])objects
-                              forKeys:(const uint64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64ObjectDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param objects      The values to be placed in this dictionary.
@@ -4191,55 +2823,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const int64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64UInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -4335,55 +2918,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const int64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64Int32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -4479,55 +3013,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const int64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64UInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -4623,55 +3108,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const int64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64Int64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -4767,55 +3203,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const int64_t [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64BoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -4911,55 +3298,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const int64_t [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64FloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -5055,55 +3393,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const int64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64DoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -5201,70 +3490,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const int64_t [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64EnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -5425,55 +3650,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param object     The value to be placed in the dictionary.
- * @param key        The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithObject:(ObjectType)object
-                              forKey:(int64_t)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param objects      The values to be placed in the dictionary.
- * @param keys         The keys under which to store the values.
- * @param count        The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithObjects:(const ObjectType __nonnull GPB_UNSAFE_UNRETAINED [__nullable])objects
-                              forKeys:(const int64_t [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBInt64ObjectDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param objects      The values to be placed in this dictionary.
@@ -5568,55 +3744,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const BOOL [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolUInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -5712,55 +3839,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const BOOL [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -5856,55 +3934,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const BOOL [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolUInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -6000,55 +4029,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const BOOL [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -6144,55 +4124,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const BOOL [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolBoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -6288,55 +4219,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const BOOL [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolFloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -6432,55 +4314,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const BOOL [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolDoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -6578,70 +4411,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const BOOL [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolEnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -6802,55 +4571,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param object     The value to be placed in the dictionary.
- * @param key        The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithObject:(ObjectType)object
-                              forKey:(BOOL)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param objects      The values to be placed in the dictionary.
- * @param keys         The keys under which to store the values.
- * @param count        The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithObjects:(const ObjectType __nonnull GPB_UNSAFE_UNRETAINED [__nullable])objects
-                              forKeys:(const BOOL [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBBoolObjectDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param objects      The values to be placed in this dictionary.
@@ -6945,55 +4665,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [__nullable])values
-                              forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringUInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7089,55 +4760,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt32s:(const int32_t [__nullable])values
-                             forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringInt32Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7233,55 +4855,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [__nullable])values
-                              forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringUInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7377,55 +4950,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithInt64s:(const int64_t [__nullable])values
-                             forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringInt64Dictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7521,55 +5045,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithBools:(const BOOL [__nullable])values
-                            forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                              count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringBoolDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7665,55 +5140,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithFloats:(const float [__nullable])values
-                             forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                               count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringFloatDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7809,55 +5235,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) NSUInteger count;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param value     The value to be placed in the dictionary.
- * @param key       The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param values      The values to be placed in the dictionary.
- * @param keys        The keys under which to store the values.
- * @param count       The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithDoubles:(const double [__nullable])values
-                              forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                                count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringDoubleDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-
-/**
  * Initializes this dictionary, copying the given values and keys.
  *
  * @param values      The values to be placed in this dictionary.
@@ -7955,70 +5332,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 
 /**
- * @return A newly instanced and empty dictionary.
- **/
-+ (instancetype)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given validation function.
- *
- * @param func The enum validation function for the dictionary.
- *
- * @return A newly instanced dictionary.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-
-/**
- * Creates and initializes a dictionary with the single entry given.
- *
- * @param func     The enum validation function for the dictionary.
- * @param rawValue The raw enum value to be placed in the dictionary.
- * @param key      The key under which to store the value.
- *
- * @return A newly instanced dictionary with the key and value in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(NSString *)key;
-
-/**
- * Creates and initializes a dictionary with the entries given.
- *
- * @param func   The enum validation function for the dictionary.
- * @param values The raw enum values values to be placed in the dictionary.
- * @param keys   The keys under which to store the values.
- * @param count  The number of entries to store in the dictionary.
- *
- * @return A newly instanced dictionary with the keys and values in it.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [__nullable])values
-                                         forKeys:(const NSString * __nonnull GPB_UNSAFE_UNRETAINED [__nullable])keys
-                                           count:(NSUInteger)count;
-
-/**
- * Creates and initializes a dictionary with the entries from the given.
- * dictionary.
- *
- * @param dictionary Dictionary containing the entries to add to the dictionary.
- *
- * @return A newly instanced dictionary with the entries from the given
- *         dictionary in it.
- **/
-+ (instancetype)dictionaryWithDictionary:(GPBStringEnumDictionary *)dictionary;
-
-/**
- * Creates and initializes a dictionary with the given capacity.
- *
- * @param func     The enum validation function for the dictionary.
- * @param numItems Capacity needed for the dictionary.
- *
- * @return A newly instanced dictionary with the given capacity.
- **/
-+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems;
-
-/**
  * Initializes a dictionary with the given validation function.
  *
  * @param func The enum validation function for the dictionary.
@@ -8240,55 +5553,6 @@ NS_ASSUME_NONNULL_END
 //%@property(nonatomic, readonly) NSUInteger count;
 //%
 //%/**
-//% * @return A newly instanced and empty dictionary.
-//% **/
-//%+ (instancetype)dictionary;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the single entry given.
-//% *
-//% * @param ##VNAME_VAR     The value to be placed in the dictionary.
-//% * @param key ##VNAME_VAR$S## The key under which to store the value.
-//% *
-//% * @return A newly instanced dictionary with the key and value in it.
-//% **/
-//%+ (instancetype)dictionaryWith##VNAME##:(VALUE_TYPE)##VNAME_VAR
-//%                       ##VNAME$S## forKey:(KEY_TYPE##KisP$S##KisP)key;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the entries given.
-//% *
-//% * @param ##VNAME_VAR##s      The values to be placed in the dictionary.
-//% * @param keys ##VNAME_VAR$S##  The keys under which to store the values.
-//% * @param count ##VNAME_VAR$S## The number of entries to store in the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the keys and values in it.
-//% **/
-//%+ (instancetype)dictionaryWith##VNAME##s:(const VALUE_TYPE ARRAY_ARG_MODIFIER##VHELPER()[__nullable])##VNAME_VAR##s
-//%                      ##VNAME$S##  forKeys:(const KEY_TYPE##KisP$S##KisP ARRAY_ARG_MODIFIER##KHELPER()[__nullable])keys
-//%                      ##VNAME$S##    count:(NSUInteger)count;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the entries from the given.
-//% * dictionary.
-//% *
-//% * @param dictionary Dictionary containing the entries to add to the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the entries from the given
-//% *         dictionary in it.
-//% **/
-//%+ (instancetype)dictionaryWithDictionary:(GPB##KEY_NAME##VALUE_NAME##Dictionary *)dictionary;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the given capacity.
-//% *
-//% * @param numItems Capacity needed for the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the given capacity.
-//% **/
-//%+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems;
-//%
-//%/**
 //% * Initializes this dictionary, copying the given values and keys.
 //% *
 //% * @param ##VNAME_VAR##s      The values to be placed in this dictionary.
@@ -8353,70 +5617,6 @@ NS_ASSUME_NONNULL_END
 //%@property(nonatomic, readonly) GPBEnumValidationFunc validationFunc;
 //%
 //%/**
-//% * @return A newly instanced and empty dictionary.
-//% **/
-//%+ (instancetype)dictionary;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the given validation function.
-//% *
-//% * @param func The enum validation function for the dictionary.
-//% *
-//% * @return A newly instanced dictionary.
-//% **/
-//%+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the single entry given.
-//% *
-//% * @param func     The enum validation function for the dictionary.
-//% * @param rawValue The raw enum value to be placed in the dictionary.
-//% * @param key      The key under which to store the value.
-//% *
-//% * @return A newly instanced dictionary with the key and value in it.
-//% **/
-//%+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-//%                                        rawValue:(VALUE_TYPE)rawValue
-//%                                          forKey:(KEY_TYPE##KisP$S##KisP)key;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the entries given.
-//% *
-//% * @param func   The enum validation function for the dictionary.
-//% * @param values The raw enum values values to be placed in the dictionary.
-//% * @param keys   The keys under which to store the values.
-//% * @param count  The number of entries to store in the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the keys and values in it.
-//% **/
-//%+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-//%                                       rawValues:(const VALUE_TYPE ARRAY_ARG_MODIFIER##VHELPER()[__nullable])values
-//%                                         forKeys:(const KEY_TYPE##KisP$S##KisP ARRAY_ARG_MODIFIER##KHELPER()[__nullable])keys
-//%                                           count:(NSUInteger)count;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the entries from the given.
-//% * dictionary.
-//% *
-//% * @param dictionary Dictionary containing the entries to add to the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the entries from the given
-//% *         dictionary in it.
-//% **/
-//%+ (instancetype)dictionaryWithDictionary:(GPB##KEY_NAME##VALUE_NAME##Dictionary *)dictionary;
-//%
-//%/**
-//% * Creates and initializes a dictionary with the given capacity.
-//% *
-//% * @param func     The enum validation function for the dictionary.
-//% * @param numItems Capacity needed for the dictionary.
-//% *
-//% * @return A newly instanced dictionary with the given capacity.
-//% **/
-//%+ (instancetype)dictionaryWithValidationFunction:(nullable GPBEnumValidationFunc)func
-//%                                        capacity:(NSUInteger)numItems;
-//%
-//%/**
 //% * Initializes a dictionary with the given validation function.
 //% *
 //% * @param func The enum validation function for the dictionary.
diff --git a/objectivec/GPBDictionary.m b/objectivec/GPBDictionary.m
index 7713376e..aa21670a 100644
--- a/objectivec/GPBDictionary.m
+++ b/objectivec/GPBDictionary.m
@@ -596,39 +596,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%  NSMutableDictionary *_dictionary;
 //%}
 //%
-//%+ (instancetype)dictionary {
-//%  return [[[self alloc] initWith##VNAME##s:NULL forKeys:NULL count:0] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWith##VNAME##:(VALUE_TYPE)##VNAME_VAR
-//%                      ##VNAME$S##  forKey:(KEY_TYPE##KisP$S##KisP)key {
-//%  // Cast is needed so the compiler knows what class we are invoking initWith##VNAME##s:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWith##VNAME##s:&##VNAME_VAR
-//%               KEY_NAME$S VALUE_NAME$S                        ##VNAME$S##  forKeys:&key
-//%               KEY_NAME$S VALUE_NAME$S                        ##VNAME$S##    count:1] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWith##VNAME##s:(const VALUE_TYPE [])##VNAME_VAR##s
-//%                      ##VNAME$S##  forKeys:(const KEY_TYPE##KisP$S##KisP [])keys
-//%                      ##VNAME$S##    count:(NSUInteger)count {
-//%  // Cast is needed so the compiler knows what class we are invoking initWith##VNAME##s:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWith##VNAME##s:##VNAME_VAR##s
-//%               KEY_NAME$S VALUE_NAME$S                               forKeys:keys
-//%               KEY_NAME$S VALUE_NAME$S                                 count:count] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithDictionary:(GPB##KEY_NAME##VALUE_NAME##Dictionary *)dictionary {
-//%  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-//%  return [[[self alloc] initWithCapacity:numItems] autorelease];
-//%}
-//%
 //%- (instancetype)init {
 //%  return [self initWith##VNAME##s:NULL forKeys:NULL count:0];
 //%}
@@ -685,54 +652,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%
 //%@synthesize validationFunc = _validationFunc;
 //%
-//%+ (instancetype)dictionary {
-//%  return [[[self alloc] initWithValidationFunction:NULL
-//%                                         rawValues:NULL
-//%                                           forKeys:NULL
-//%                                             count:0] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-//%  return [[[self alloc] initWithValidationFunction:func
-//%                                         rawValues:NULL
-//%                                           forKeys:NULL
-//%                                             count:0] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-//%                                        rawValue:(VALUE_TYPE)rawValue
-//%                                          forKey:(KEY_TYPE##KisP$S##KisP)key {
-//%  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWithValidationFunction:func
-//%               KEY_NAME$S VALUE_NAME$S                                         rawValues:&rawValue
-//%               KEY_NAME$S VALUE_NAME$S                                           forKeys:&key
-//%               KEY_NAME$S VALUE_NAME$S                                             count:1] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-//%                                       rawValues:(const VALUE_TYPE [])rawValues
-//%                                         forKeys:(const KEY_TYPE##KisP$S##KisP [])keys
-//%                                           count:(NSUInteger)count {
-//%  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWithValidationFunction:func
-//%               KEY_NAME$S VALUE_NAME$S                                         rawValues:rawValues
-//%               KEY_NAME$S VALUE_NAME$S                                           forKeys:keys
-//%               KEY_NAME$S VALUE_NAME$S                                             count:count] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithDictionary:(GPB##KEY_NAME##VALUE_NAME##Dictionary *)dictionary {
-//%  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPB##KEY_NAME##VALUE_NAME##Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-//%                                        capacity:(NSUInteger)numItems {
-//%  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-//%}
-//%
 //%- (instancetype)init {
 //%  return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 //%}
@@ -988,39 +907,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 //%  VALUE_TYPE _values[2];
 //%BOOL_DICT_HAS_STORAGE_##HELPER()}
 //%
-//%+ (instancetype)dictionary {
-//%  return [[[self alloc] initWith##VNAME##s:NULL forKeys:NULL count:0] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWith##VNAME##:(VALUE_TYPE)VNAME_VAR
-//%                      ##VNAME$S##  forKey:(BOOL)key {
-//%  // Cast is needed so the compiler knows what class we are invoking initWith##VNAME##s:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPBBool##VALUE_NAME##Dictionary*)[self alloc] initWith##VNAME##s:&##VNAME_VAR
-//%                    VALUE_NAME$S                        ##VNAME$S##  forKeys:&key
-//%                    VALUE_NAME$S                        ##VNAME$S##    count:1] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWith##VNAME##s:(const VALUE_TYPE [])##VNAME_VAR##s
-//%                      ##VNAME$S##  forKeys:(const BOOL [])keys
-//%                      ##VNAME$S##    count:(NSUInteger)count {
-//%  // Cast is needed so the compiler knows what class we are invoking initWith##VNAME##s:forKeys:count:
-//%  // on to get the type correct.
-//%  return [[(GPBBool##VALUE_NAME##Dictionary*)[self alloc] initWith##VNAME##s:##VNAME_VAR##s
-//%                    VALUE_NAME$S                        ##VNAME$S##  forKeys:keys
-//%                    VALUE_NAME$S                        ##VNAME$S##    count:count] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithDictionary:(GPBBool##VALUE_NAME##Dictionary *)dictionary {
-//%  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-//%  // on to get the type correct.
-//%  return [[(GPBBool##VALUE_NAME##Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-//%}
-//%
-//%+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-//%  return [[[self alloc] initWithCapacity:numItems] autorelease];
-//%}
-//%
 //%- (instancetype)init {
 //%  return [self initWith##VNAME##s:NULL forKeys:NULL count:0];
 //%}
@@ -1549,39 +1435,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const uint32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32UInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -1765,39 +1618,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32Int32Dictionary*)[self alloc] initWithInt32s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const uint32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32Int32Dictionary*)[self alloc] initWithInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32Int32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32Int32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -1981,39 +1801,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const uint32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32UInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32UInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -2197,39 +1984,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32Int64Dictionary*)[self alloc] initWithInt64s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const uint32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32Int64Dictionary*)[self alloc] initWithInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32Int64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32Int64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -2413,39 +2167,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32BoolDictionary*)[self alloc] initWithBools:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const uint32_t [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32BoolDictionary*)[self alloc] initWithBools:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32BoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32BoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -2629,39 +2350,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32FloatDictionary*)[self alloc] initWithFloats:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const uint32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32FloatDictionary*)[self alloc] initWithFloats:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32FloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32FloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -2845,39 +2533,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32DoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const uint32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32DoubleDictionary*)[self alloc] initWithDoubles:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32DoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32DoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -3064,54 +2719,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:&rawValue
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])rawValues
-                                         forKeys:(const uint32_t [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:rawValues
-                                                                     forKeys:keys
-                                                                       count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32EnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32EnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
@@ -3361,39 +2968,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithObjects:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithObject:(id)object
-                              forKey:(uint32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32ObjectDictionary*)[self alloc] initWithObjects:&object
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithObjects:(const id [])objects
-                              forKeys:(const uint32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt32ObjectDictionary*)[self alloc] initWithObjects:objects
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt32ObjectDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt32ObjectDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithObjects:NULL forKeys:NULL count:0];
 }
@@ -3609,39 +3183,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32UInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const int32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32UInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32UInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32UInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -3825,39 +3366,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32Int32Dictionary*)[self alloc] initWithInt32s:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const int32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32Int32Dictionary*)[self alloc] initWithInt32s:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32Int32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32Int32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -4041,39 +3549,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32UInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const int32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32UInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32UInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32UInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -4257,39 +3732,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32Int64Dictionary*)[self alloc] initWithInt64s:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const int32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32Int64Dictionary*)[self alloc] initWithInt64s:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32Int64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32Int64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -4473,39 +3915,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32BoolDictionary*)[self alloc] initWithBools:&value
-                                                       forKeys:&key
-                                                         count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const int32_t [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32BoolDictionary*)[self alloc] initWithBools:values
-                                                        forKeys:keys
-                                                          count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32BoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32BoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -4689,39 +4098,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32FloatDictionary*)[self alloc] initWithFloats:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const int32_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32FloatDictionary*)[self alloc] initWithFloats:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32FloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32FloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -4905,39 +4281,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32DoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const int32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32DoubleDictionary*)[self alloc] initWithDoubles:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32DoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32DoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -5124,54 +4467,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                  rawValues:&rawValue
-                                                                    forKeys:&key
-                                                                      count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])rawValues
-                                         forKeys:(const int32_t [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                  rawValues:rawValues
-                                                                    forKeys:keys
-                                                                      count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32EnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32EnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
@@ -5421,39 +4716,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithObjects:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithObject:(id)object
-                              forKey:(int32_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32ObjectDictionary*)[self alloc] initWithObjects:&object
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithObjects:(const id [])objects
-                              forKeys:(const int32_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt32ObjectDictionary*)[self alloc] initWithObjects:objects
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt32ObjectDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt32ObjectDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithObjects:NULL forKeys:NULL count:0];
 }
@@ -5669,39 +4931,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const uint64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64UInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -5885,39 +5114,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64Int32Dictionary*)[self alloc] initWithInt32s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const uint64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64Int32Dictionary*)[self alloc] initWithInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64Int32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64Int32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -6101,39 +5297,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const uint64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64UInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64UInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -6317,39 +5480,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64Int64Dictionary*)[self alloc] initWithInt64s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const uint64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64Int64Dictionary*)[self alloc] initWithInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64Int64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64Int64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -6533,39 +5663,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64BoolDictionary*)[self alloc] initWithBools:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const uint64_t [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64BoolDictionary*)[self alloc] initWithBools:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64BoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64BoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -6749,39 +5846,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64FloatDictionary*)[self alloc] initWithFloats:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const uint64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64FloatDictionary*)[self alloc] initWithFloats:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64FloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64FloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -6965,39 +6029,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64DoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const uint64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64DoubleDictionary*)[self alloc] initWithDoubles:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64DoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64DoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -7184,54 +6215,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:&rawValue
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])rawValues
-                                         forKeys:(const uint64_t [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:rawValues
-                                                                     forKeys:keys
-                                                                       count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64EnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64EnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
@@ -7481,39 +6464,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithObjects:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithObject:(id)object
-                              forKey:(uint64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64ObjectDictionary*)[self alloc] initWithObjects:&object
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithObjects:(const id [])objects
-                              forKeys:(const uint64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBUInt64ObjectDictionary*)[self alloc] initWithObjects:objects
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBUInt64ObjectDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBUInt64ObjectDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithObjects:NULL forKeys:NULL count:0];
 }
@@ -7729,39 +6679,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64UInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const int64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64UInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64UInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64UInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -7945,39 +6862,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64Int32Dictionary*)[self alloc] initWithInt32s:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const int64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64Int32Dictionary*)[self alloc] initWithInt32s:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64Int32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64Int32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -8161,39 +7045,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64UInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const int64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64UInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64UInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64UInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -8377,39 +7228,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64Int64Dictionary*)[self alloc] initWithInt64s:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const int64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64Int64Dictionary*)[self alloc] initWithInt64s:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64Int64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64Int64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -8593,39 +7411,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64BoolDictionary*)[self alloc] initWithBools:&value
-                                                       forKeys:&key
-                                                         count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const int64_t [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64BoolDictionary*)[self alloc] initWithBools:values
-                                                        forKeys:keys
-                                                          count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64BoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64BoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -8809,39 +7594,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64FloatDictionary*)[self alloc] initWithFloats:&value
-                                                         forKeys:&key
-                                                           count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const int64_t [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64FloatDictionary*)[self alloc] initWithFloats:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64FloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64FloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -9025,39 +7777,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64DoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const int64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64DoubleDictionary*)[self alloc] initWithDoubles:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64DoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64DoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -9244,54 +7963,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                  rawValues:&rawValue
-                                                                    forKeys:&key
-                                                                      count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])rawValues
-                                         forKeys:(const int64_t [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64EnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                  rawValues:rawValues
-                                                                    forKeys:keys
-                                                                      count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64EnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64EnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
@@ -9541,39 +8212,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithObjects:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithObject:(id)object
-                              forKey:(int64_t)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64ObjectDictionary*)[self alloc] initWithObjects:&object
-                                                           forKeys:&key
-                                                             count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithObjects:(const id [])objects
-                              forKeys:(const int64_t [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBInt64ObjectDictionary*)[self alloc] initWithObjects:objects
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBInt64ObjectDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBInt64ObjectDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithObjects:NULL forKeys:NULL count:0];
 }
@@ -9789,39 +8427,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringUInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const NSString * [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringUInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringUInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringUInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -10013,39 +8618,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringInt32Dictionary*)[self alloc] initWithInt32s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const NSString * [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringInt32Dictionary*)[self alloc] initWithInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -10237,39 +8809,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringUInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const NSString * [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringUInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringUInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringUInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -10461,39 +9000,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringInt64Dictionary*)[self alloc] initWithInt64s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const NSString * [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringInt64Dictionary*)[self alloc] initWithInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -10685,39 +9191,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringBoolDictionary*)[self alloc] initWithBools:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const NSString * [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringBoolDictionary*)[self alloc] initWithBools:values
-                                                         forKeys:keys
-                                                           count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringBoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringBoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -10909,39 +9382,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringFloatDictionary*)[self alloc] initWithFloats:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const NSString * [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringFloatDictionary*)[self alloc] initWithFloats:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringFloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringFloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -11133,39 +9573,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   NSMutableDictionary *_dictionary;
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringDoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                            forKeys:&key
-                                                              count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const NSString * [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringDoubleDictionary*)[self alloc] initWithDoubles:values
-                                                           forKeys:keys
-                                                             count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringDoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBStringDoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -11360,54 +9767,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        rawValue:(int32_t)rawValue
-                                          forKey:(NSString *)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringEnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:&rawValue
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])rawValues
-                                         forKeys:(const NSString * [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringEnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                   rawValues:rawValues
-                                                                     forKeys:keys
-                                                                       count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBStringEnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBStringEnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
@@ -11676,39 +10035,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32:(uint32_t)value
-                              forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolUInt32Dictionary*)[self alloc] initWithUInt32s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt32s:(const uint32_t [])values
-                              forKeys:(const BOOL [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolUInt32Dictionary*)[self alloc] initWithUInt32s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolUInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolUInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt32s:NULL forKeys:NULL count:0];
 }
@@ -11918,39 +10244,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt32s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32:(int32_t)value
-                             forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolInt32Dictionary*)[self alloc] initWithInt32s:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt32s:(const int32_t [])values
-                             forKeys:(const BOOL [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt32s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolInt32Dictionary*)[self alloc] initWithInt32s:values
-                                                        forKeys:keys
-                                                          count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolInt32Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolInt32Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt32s:NULL forKeys:NULL count:0];
 }
@@ -12160,39 +10453,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithUInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64:(uint64_t)value
-                              forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolUInt64Dictionary*)[self alloc] initWithUInt64s:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithUInt64s:(const uint64_t [])values
-                              forKeys:(const BOOL [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithUInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolUInt64Dictionary*)[self alloc] initWithUInt64s:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolUInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolUInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithUInt64s:NULL forKeys:NULL count:0];
 }
@@ -12402,39 +10662,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithInt64s:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64:(int64_t)value
-                             forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolInt64Dictionary*)[self alloc] initWithInt64s:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithInt64s:(const int64_t [])values
-                             forKeys:(const BOOL [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithInt64s:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolInt64Dictionary*)[self alloc] initWithInt64s:values
-                                                        forKeys:keys
-                                                          count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolInt64Dictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolInt64Dictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithInt64s:NULL forKeys:NULL count:0];
 }
@@ -12644,39 +10871,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithBools:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithBool:(BOOL)value
-                            forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolBoolDictionary*)[self alloc] initWithBools:&value
-                                                      forKeys:&key
-                                                        count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithBools:(const BOOL [])values
-                            forKeys:(const BOOL [])keys
-                              count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithBools:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolBoolDictionary*)[self alloc] initWithBools:values
-                                                      forKeys:keys
-                                                        count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolBoolDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolBoolDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithBools:NULL forKeys:NULL count:0];
 }
@@ -12886,39 +11080,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithFloats:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloat:(float)value
-                             forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolFloatDictionary*)[self alloc] initWithFloats:&value
-                                                        forKeys:&key
-                                                          count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithFloats:(const float [])values
-                             forKeys:(const BOOL [])keys
-                               count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithFloats:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolFloatDictionary*)[self alloc] initWithFloats:values
-                                                        forKeys:keys
-                                                          count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolFloatDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolFloatDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithFloats:NULL forKeys:NULL count:0];
 }
@@ -13128,39 +11289,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   BOOL _valueSet[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithDoubles:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithDouble:(double)value
-                              forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolDoubleDictionary*)[self alloc] initWithDoubles:&value
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithDoubles:(const double [])values
-                              forKeys:(const BOOL [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithDoubles:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolDoubleDictionary*)[self alloc] initWithDoubles:values
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolDoubleDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolDoubleDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithDoubles:NULL forKeys:NULL count:0];
 }
@@ -13369,39 +11497,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
   id _values[2];
 }
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithObjects:NULL forKeys:NULL count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithObject:(id)object
-                              forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolObjectDictionary*)[self alloc] initWithObjects:&object
-                                                          forKeys:&key
-                                                            count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithObjects:(const id [])objects
-                              forKeys:(const BOOL [])keys
-                                count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithObjects:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolObjectDictionary*)[self alloc] initWithObjects:objects
-                                                          forKeys:keys
-                                                            count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolObjectDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithDictionary:
-  // on to get the type correct.
-  return [[(GPBBoolObjectDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithCapacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithCapacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithObjects:NULL forKeys:NULL count:0];
 }
@@ -13635,54 +11730,6 @@ void GPBDictionaryReadEntry(id mapDictionary,
 
 @synthesize validationFunc = _validationFunc;
 
-+ (instancetype)dictionary {
-  return [[[self alloc] initWithValidationFunction:NULL
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func {
-  return [[[self alloc] initWithValidationFunction:func
-                                         rawValues:NULL
-                                           forKeys:NULL
-                                             count:0] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValue:(int32_t)rawValue
-                                          forKey:(BOOL)key {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolEnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                 rawValues:&rawValue
-                                                                   forKeys:&key
-                                                                     count:1] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                       rawValues:(const int32_t [])values
-                                         forKeys:(const BOOL [])keys
-                                           count:(NSUInteger)count {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolEnumDictionary*)[self alloc] initWithValidationFunction:func
-                                                                 rawValues:values
-                                                                   forKeys:keys
-                                                                     count:count] autorelease];
-}
-
-+ (instancetype)dictionaryWithDictionary:(GPBBoolEnumDictionary *)dictionary {
-  // Cast is needed so the compiler knows what class we are invoking initWithValues:forKeys:count:
-  // on to get the type correct.
-  return [[(GPBBoolEnumDictionary*)[self alloc] initWithDictionary:dictionary] autorelease];
-}
-
-+ (instancetype)dictionaryWithValidationFunction:(GPBEnumValidationFunc)func
-                                        capacity:(NSUInteger)numItems {
-  return [[[self alloc] initWithValidationFunction:func capacity:numItems] autorelease];
-}
-
 - (instancetype)init {
   return [self initWithValidationFunction:NULL rawValues:NULL forKeys:NULL count:0];
 }
diff --git a/objectivec/GPBMessage.m b/objectivec/GPBMessage.m
index afe39c1e..90485bd1 100644
--- a/objectivec/GPBMessage.m
+++ b/objectivec/GPBMessage.m
@@ -2998,7 +2998,10 @@ typedef struct ResolveIvarAccessorMethodResult {
   SEL encodingSelector;
 } ResolveIvarAccessorMethodResult;
 
-static void ResolveIvarGet(GPBFieldDescriptor *field,
+// |field| can be __unsafe_unretained because they are created at startup
+// and are essentially global. No need to pay for retain/release when
+// they are captured in blocks.
+static void ResolveIvarGet(__unsafe_unretained GPBFieldDescriptor *field,
                            ResolveIvarAccessorMethodResult *result) {
   GPBDataType fieldDataType = GPBGetFieldDataType(field);
   switch (fieldDataType) {
@@ -3040,7 +3043,8 @@ static void ResolveIvarGet(GPBFieldDescriptor *field,
   }
 }
 
-static void ResolveIvarSet(GPBFieldDescriptor *field,
+// See comment about __unsafe_unretained on ResolveIvarGet.
+static void ResolveIvarSet(__unsafe_unretained GPBFieldDescriptor *field,
                            GPBFileSyntax syntax,
                            ResolveIvarAccessorMethodResult *result) {
   GPBDataType fieldDataType = GPBGetFieldDataType(field);
@@ -3084,9 +3088,10 @@ static void ResolveIvarSet(GPBFieldDescriptor *field,
   // NOTE: hasOrCountSel_/setHasSel_ will be NULL if the field for the given
   // message should not have has support (done in GPBDescriptor.m), so there is
   // no need for checks here to see if has*/setHas* are allowed.
-
   ResolveIvarAccessorMethodResult result = {NULL, NULL};
-  for (GPBFieldDescriptor *field in descriptor->fields_) {
+
+  // See comment about __unsafe_unretained on ResolveIvarGet.
+  for (__unsafe_unretained GPBFieldDescriptor *field in descriptor->fields_) {
     BOOL isMapOrArray = GPBFieldIsMapOrArray(field);
     if (!isMapOrArray) {
       // Single fields.
diff --git a/objectivec/GPBRootObject.m b/objectivec/GPBRootObject.m
index 585d205a..bad2f9a7 100644
--- a/objectivec/GPBRootObject.m
+++ b/objectivec/GPBRootObject.m
@@ -43,6 +43,14 @@
 - (const char *)singletonNameC;
 @end
 
+// We need some object to conform to the MessageSignatureProtocol to make sure
+// the selectors in it are recorded in our Objective C runtime information.
+// GPBMessage is arguably the more "obvious" choice, but given that all messages
+// inherit from GPBMessage, conflicts seem likely, so we are using GPBRootObject
+// instead.
+@interface GPBRootObject () <GPBMessageSignatureProtocol>
+@end
+
 @implementation GPBRootObject
 
 // Taken from http://www.burtleburtle.net/bob/hash/doobs.html
diff --git a/objectivec/GPBUtilities.m b/objectivec/GPBUtilities.m
index 5029ec73..77ea9577 100644
--- a/objectivec/GPBUtilities.m
+++ b/objectivec/GPBUtilities.m
@@ -49,6 +49,19 @@ static void AppendTextFormatForMessage(GPBMessage *message,
                                        NSMutableString *toStr,
                                        NSString *lineIndent);
 
+// Are two datatypes the same basic type representation (ex Int32 and SInt32).
+// Marked unused because currently only called from asserts/debug.
+static BOOL DataTypesEquivalent(GPBDataType type1,
+                                GPBDataType type2) __attribute__ ((unused));
+
+// Basic type representation for a type (ex: for SInt32 it is Int32).
+// Marked unused because currently only called from asserts/debug.
+static GPBDataType BaseDataType(GPBDataType type) __attribute__ ((unused));
+
+// String name for a data type.
+// Marked unused because currently only called from asserts/debug.
+static NSString *TypeToString(GPBDataType dataType) __attribute__ ((unused));
+
 NSData *GPBEmptyNSData(void) {
   static dispatch_once_t onceToken;
   static NSData *defaultNSData = nil;
@@ -342,6 +355,14 @@ void GPBMaybeClearOneof(GPBMessage *self, GPBOneofDescriptor *oneof,
 //%PDDM-DEFINE IVAR_POD_ACCESSORS_DEFN(NAME, TYPE)
 //%TYPE GPBGetMessage##NAME##Field(GPBMessage *self,
 //% TYPE$S            NAME$S       GPBFieldDescriptor *field) {
+//%#if defined(DEBUG) && DEBUG
+//%  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+//%                                GPBDataType##NAME),
+//%            @"Attempting to get value of TYPE from field %@ "
+//%            @"of %@ which is of type %@.",
+//%            [self class], field.name,
+//%            TypeToString(GPBGetFieldDataType(field)));
+//%#endif
 //%  if (GPBGetHasIvarField(self, field)) {
 //%    uint8_t *storage = (uint8_t *)self->messageStorage_;
 //%    TYPE *typePtr = (TYPE *)&storage[field->description_->offset];
@@ -364,14 +385,24 @@ void GPBMaybeClearOneof(GPBMessage *self, GPBOneofDescriptor *oneof,
 //%            NAME$S                     GPBFieldDescriptor *field,
 //%            NAME$S                     TYPE value,
 //%            NAME$S                     GPBFileSyntax syntax) {
+//%#if defined(DEBUG) && DEBUG
+//%  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+//%                                GPBDataType##NAME),
+//%            @"Attempting to set field %@ of %@ which is of type %@ with "
+//%            @"value of type TYPE.",
+//%            [self class], field.name,
+//%            TypeToString(GPBGetFieldDataType(field)));
+//%#endif
 //%  GPBOneofDescriptor *oneof = field->containingOneof_;
 //%  if (oneof) {
 //%    GPBMessageFieldDescription *fieldDesc = field->description_;
 //%    GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
 //%  }
+//%#if defined(DEBUG) && DEBUG
 //%  NSCAssert(self->messageStorage_ != NULL,
 //%            @"%@: All messages should have storage (from init)",
 //%            [self class]);
+//%#endif
 //%#if defined(__clang_analyzer__)
 //%  if (self->messageStorage_ == NULL) return;
 //%#endif
@@ -391,6 +422,14 @@ void GPBMaybeClearOneof(GPBMessage *self, GPBOneofDescriptor *oneof,
 //%// Only exists for public api, no core code should use this.
 //%TYPE *GPBGetMessage##NAME##Field(GPBMessage *self,
 //% TYPE$S             NAME$S       GPBFieldDescriptor *field) {
+//%#if defined(DEBUG) && DEBUG
+//%  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+//%                                GPBDataType##NAME),
+//%            @"Attempting to get value of TYPE from field %@ "
+//%            @"of %@ which is of type %@.",
+//%            [self class], field.name,
+//%            TypeToString(GPBGetFieldDataType(field)));
+//%#endif
 //%  return (TYPE *)GPBGetObjectIvarWithField(self, field);
 //%}
 //%
@@ -398,6 +437,14 @@ void GPBMaybeClearOneof(GPBMessage *self, GPBOneofDescriptor *oneof,
 //%void GPBSetMessage##NAME##Field(GPBMessage *self,
 //%                   NAME$S     GPBFieldDescriptor *field,
 //%                   NAME$S     TYPE *value) {
+//%#if defined(DEBUG) && DEBUG
+//%  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+//%                                GPBDataType##NAME),
+//%            @"Attempting to set field %@ of %@ which is of type %@ with "
+//%            @"value of type TYPE.",
+//%            [self class], field.name,
+//%            TypeToString(GPBGetFieldDataType(field)));
+//%#endif
 //%  GPBSetObjectIvarWithField(self, field, (id)value);
 //%}
 //%
@@ -455,7 +502,7 @@ void GPBSetRetainedObjectIvarWithFieldInternal(GPBMessage *self,
   GPBDataType fieldType = GPBGetFieldDataType(field);
   BOOL isMapOrArray = GPBFieldIsMapOrArray(field);
   BOOL fieldIsMessage = GPBDataTypeIsMessage(fieldType);
-#ifdef DEBUG
+#if defined(DEBUG) && DEBUG
   if (value == nil && !isMapOrArray && !fieldIsMessage &&
       field.hasDefaultValue) {
     // Setting a message to nil is an obvious way to "clear" the value
@@ -618,6 +665,13 @@ int32_t GPBGetMessageEnumField(GPBMessage *self, GPBFieldDescriptor *field) {
 int32_t GPBGetEnumIvarWithFieldInternal(GPBMessage *self,
                                         GPBFieldDescriptor *field,
                                         GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(GPBGetFieldDataType(field) == GPBDataTypeEnum,
+            @"Attempting to get value of type Enum from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   int32_t result = GPBGetMessageInt32Field(self, field);
   // If this is presevering unknown enums, make sure the value is valid before
   // returning it.
@@ -638,6 +692,13 @@ void GPBSetMessageEnumField(GPBMessage *self, GPBFieldDescriptor *field,
 void GPBSetEnumIvarWithFieldInternal(GPBMessage *self,
                                      GPBFieldDescriptor *field, int32_t value,
                                      GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(GPBGetFieldDataType(field) == GPBDataTypeEnum,
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type Enum.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   // Don't allow in unknown values.  Proto3 can use the Raw method.
   if (![field isValidEnumValue:value]) {
     [NSException raise:NSInvalidArgumentException
@@ -663,6 +724,13 @@ void GPBSetMessageRawEnumField(GPBMessage *self, GPBFieldDescriptor *field,
 
 BOOL GPBGetMessageBoolField(GPBMessage *self,
                             GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field), GPBDataTypeBool),
+            @"Attempting to get value of type bool from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     // Bools are stored in the has bits to avoid needing explicit space in the
     // storage structure.
@@ -688,6 +756,13 @@ void GPBSetBoolIvarWithFieldInternal(GPBMessage *self,
                                      GPBFieldDescriptor *field,
                                      BOOL value,
                                      GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field), GPBDataTypeBool),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type bool.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBMessageFieldDescription *fieldDesc = field->description_;
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
@@ -714,6 +789,14 @@ void GPBSetBoolIvarWithFieldInternal(GPBMessage *self,
 
 int32_t GPBGetMessageInt32Field(GPBMessage *self,
                                 GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeInt32),
+            @"Attempting to get value of int32_t from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     int32_t *typePtr = (int32_t *)&storage[field->description_->offset];
@@ -736,14 +819,24 @@ void GPBSetInt32IvarWithFieldInternal(GPBMessage *self,
                                       GPBFieldDescriptor *field,
                                       int32_t value,
                                       GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeInt32),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type int32_t.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -764,6 +857,14 @@ void GPBSetInt32IvarWithFieldInternal(GPBMessage *self,
 
 uint32_t GPBGetMessageUInt32Field(GPBMessage *self,
                                   GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeUInt32),
+            @"Attempting to get value of uint32_t from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     uint32_t *typePtr = (uint32_t *)&storage[field->description_->offset];
@@ -786,14 +887,24 @@ void GPBSetUInt32IvarWithFieldInternal(GPBMessage *self,
                                        GPBFieldDescriptor *field,
                                        uint32_t value,
                                        GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeUInt32),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type uint32_t.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -814,6 +925,14 @@ void GPBSetUInt32IvarWithFieldInternal(GPBMessage *self,
 
 int64_t GPBGetMessageInt64Field(GPBMessage *self,
                                 GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeInt64),
+            @"Attempting to get value of int64_t from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     int64_t *typePtr = (int64_t *)&storage[field->description_->offset];
@@ -836,14 +955,24 @@ void GPBSetInt64IvarWithFieldInternal(GPBMessage *self,
                                       GPBFieldDescriptor *field,
                                       int64_t value,
                                       GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeInt64),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type int64_t.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -864,6 +993,14 @@ void GPBSetInt64IvarWithFieldInternal(GPBMessage *self,
 
 uint64_t GPBGetMessageUInt64Field(GPBMessage *self,
                                   GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeUInt64),
+            @"Attempting to get value of uint64_t from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     uint64_t *typePtr = (uint64_t *)&storage[field->description_->offset];
@@ -886,14 +1023,24 @@ void GPBSetUInt64IvarWithFieldInternal(GPBMessage *self,
                                        GPBFieldDescriptor *field,
                                        uint64_t value,
                                        GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeUInt64),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type uint64_t.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -914,6 +1061,14 @@ void GPBSetUInt64IvarWithFieldInternal(GPBMessage *self,
 
 float GPBGetMessageFloatField(GPBMessage *self,
                               GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeFloat),
+            @"Attempting to get value of float from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     float *typePtr = (float *)&storage[field->description_->offset];
@@ -936,14 +1091,24 @@ void GPBSetFloatIvarWithFieldInternal(GPBMessage *self,
                                       GPBFieldDescriptor *field,
                                       float value,
                                       GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeFloat),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type float.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -964,6 +1129,14 @@ void GPBSetFloatIvarWithFieldInternal(GPBMessage *self,
 
 double GPBGetMessageDoubleField(GPBMessage *self,
                                 GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeDouble),
+            @"Attempting to get value of double from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   if (GPBGetHasIvarField(self, field)) {
     uint8_t *storage = (uint8_t *)self->messageStorage_;
     double *typePtr = (double *)&storage[field->description_->offset];
@@ -986,14 +1159,24 @@ void GPBSetDoubleIvarWithFieldInternal(GPBMessage *self,
                                        GPBFieldDescriptor *field,
                                        double value,
                                        GPBFileSyntax syntax) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeDouble),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type double.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBOneofDescriptor *oneof = field->containingOneof_;
   if (oneof) {
     GPBMessageFieldDescription *fieldDesc = field->description_;
     GPBMaybeClearOneof(self, oneof, fieldDesc->hasIndex, fieldDesc->number);
   }
+#if defined(DEBUG) && DEBUG
   NSCAssert(self->messageStorage_ != NULL,
             @"%@: All messages should have storage (from init)",
             [self class]);
+#endif
 #if defined(__clang_analyzer__)
   if (self->messageStorage_ == NULL) return;
 #endif
@@ -1019,6 +1202,14 @@ void GPBSetDoubleIvarWithFieldInternal(GPBMessage *self,
 // Only exists for public api, no core code should use this.
 NSString *GPBGetMessageStringField(GPBMessage *self,
                                    GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeString),
+            @"Attempting to get value of NSString from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   return (NSString *)GPBGetObjectIvarWithField(self, field);
 }
 
@@ -1026,6 +1217,14 @@ NSString *GPBGetMessageStringField(GPBMessage *self,
 void GPBSetMessageStringField(GPBMessage *self,
                               GPBFieldDescriptor *field,
                               NSString *value) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeString),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type NSString.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBSetObjectIvarWithField(self, field, (id)value);
 }
 
@@ -1035,6 +1234,14 @@ void GPBSetMessageStringField(GPBMessage *self,
 // Only exists for public api, no core code should use this.
 NSData *GPBGetMessageBytesField(GPBMessage *self,
                                 GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeBytes),
+            @"Attempting to get value of NSData from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   return (NSData *)GPBGetObjectIvarWithField(self, field);
 }
 
@@ -1042,6 +1249,14 @@ NSData *GPBGetMessageBytesField(GPBMessage *self,
 void GPBSetMessageBytesField(GPBMessage *self,
                              GPBFieldDescriptor *field,
                              NSData *value) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeBytes),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type NSData.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBSetObjectIvarWithField(self, field, (id)value);
 }
 
@@ -1051,6 +1266,14 @@ void GPBSetMessageBytesField(GPBMessage *self,
 // Only exists for public api, no core code should use this.
 GPBMessage *GPBGetMessageMessageField(GPBMessage *self,
                                       GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeMessage),
+            @"Attempting to get value of GPBMessage from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   return (GPBMessage *)GPBGetObjectIvarWithField(self, field);
 }
 
@@ -1058,6 +1281,14 @@ GPBMessage *GPBGetMessageMessageField(GPBMessage *self,
 void GPBSetMessageMessageField(GPBMessage *self,
                                GPBFieldDescriptor *field,
                                GPBMessage *value) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeMessage),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type GPBMessage.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBSetObjectIvarWithField(self, field, (id)value);
 }
 
@@ -1067,6 +1298,14 @@ void GPBSetMessageMessageField(GPBMessage *self,
 // Only exists for public api, no core code should use this.
 GPBMessage *GPBGetMessageGroupField(GPBMessage *self,
                                     GPBFieldDescriptor *field) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeGroup),
+            @"Attempting to get value of GPBMessage from field %@ "
+            @"of %@ which is of type %@.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   return (GPBMessage *)GPBGetObjectIvarWithField(self, field);
 }
 
@@ -1074,6 +1313,14 @@ GPBMessage *GPBGetMessageGroupField(GPBMessage *self,
 void GPBSetMessageGroupField(GPBMessage *self,
                              GPBFieldDescriptor *field,
                              GPBMessage *value) {
+#if defined(DEBUG) && DEBUG
+  NSCAssert(DataTypesEquivalent(GPBGetFieldDataType(field),
+                                GPBDataTypeGroup),
+            @"Attempting to set field %@ of %@ which is of type %@ with "
+            @"value of type GPBMessage.",
+            [self class], field.name,
+            TypeToString(GPBGetFieldDataType(field)));
+#endif
   GPBSetObjectIvarWithField(self, field, (id)value);
 }
 
@@ -1137,8 +1384,40 @@ void GPBSetMessageRepeatedField(GPBMessage *self, GPBFieldDescriptor *field, id
   GPBSetObjectIvarWithField(self, field, array);
 }
 
-#if defined(DEBUG) && DEBUG
-static NSString *TypeToStr(GPBDataType dataType) {
+static GPBDataType BaseDataType(GPBDataType type) {
+  switch (type) {
+    case GPBDataTypeSFixed32:
+    case GPBDataTypeInt32:
+    case GPBDataTypeSInt32:
+    case GPBDataTypeEnum:
+      return GPBDataTypeInt32;
+    case GPBDataTypeFixed32:
+    case GPBDataTypeUInt32:
+      return GPBDataTypeUInt32;
+    case GPBDataTypeSFixed64:
+    case GPBDataTypeInt64:
+    case GPBDataTypeSInt64:
+      return GPBDataTypeInt64;
+    case GPBDataTypeFixed64:
+    case GPBDataTypeUInt64:
+      return GPBDataTypeUInt64;
+    case GPBDataTypeMessage:
+    case GPBDataTypeGroup:
+      return GPBDataTypeMessage;
+    case GPBDataTypeBool:
+    case GPBDataTypeFloat:
+    case GPBDataTypeDouble:
+    case GPBDataTypeBytes:
+    case GPBDataTypeString:
+      return type;
+   }
+}
+
+static BOOL DataTypesEquivalent(GPBDataType type1, GPBDataType type2) {
+  return BaseDataType(type1) == BaseDataType(type2);
+}
+
+static NSString *TypeToString(GPBDataType dataType) {
   switch (dataType) {
     case GPBDataTypeBool:
       return @"Bool";
@@ -1166,10 +1445,9 @@ static NSString *TypeToStr(GPBDataType dataType) {
     case GPBDataTypeGroup:
       return @"Object";
     case GPBDataTypeEnum:
-      return @"Bool";
+      return @"Enum";
   }
 }
-#endif
 
 // GPBGetMessageMapField is defined in GPBMessage.m
 
@@ -1185,8 +1463,8 @@ void GPBSetMessageMapField(GPBMessage *self, GPBFieldDescriptor *field,
   if (dictionary) {
     GPBDataType keyDataType = field.mapKeyDataType;
     GPBDataType valueDataType = GPBGetFieldDataType(field);
-    NSString *keyStr = TypeToStr(keyDataType);
-    NSString *valueStr = TypeToStr(valueDataType);
+    NSString *keyStr = TypeToString(keyDataType);
+    NSString *valueStr = TypeToString(valueDataType);
     if (keyDataType == GPBDataTypeString) {
       keyStr = @"String";
     }
@@ -1216,8 +1494,11 @@ void GPBSetMessageMapField(GPBMessage *self, GPBFieldDescriptor *field,
 const char *GPBMessageEncodingForSelector(SEL selector, BOOL instanceSel) {
   Protocol *protocol =
       objc_getProtocol(GPBStringifySymbol(GPBMessageSignatureProtocol));
+  NSCAssert(protocol, @"Missing GPBMessageSignatureProtocol");
   struct objc_method_description description =
       protocol_getMethodDescription(protocol, selector, NO, instanceSel);
+  NSCAssert(description.name != Nil && description.types != nil,
+            @"Missing method for selector %@", NSStringFromSelector(selector));
   return description.types;
 }
 
@@ -1911,13 +2192,3 @@ BOOL GPBClassHasSel(Class aClass, SEL sel) {
   free(methodList);
   return result;
 }
-
-#pragma mark - GPBMessageSignatureProtocol
-
-// A series of selectors that are used solely to get @encoding values
-// for them by the dynamic protobuf runtime code. An object using the protocol
-// needs to be declared for the protocol to be valid at runtime.
-@interface GPBMessageSignatureProtocol : NSObject<GPBMessageSignatureProtocol>
-@end
-@implementation GPBMessageSignatureProtocol
-@end
diff --git a/objectivec/GPBUtilities_PackagePrivate.h b/objectivec/GPBUtilities_PackagePrivate.h
index 16859d48..c8b21ed7 100644
--- a/objectivec/GPBUtilities_PackagePrivate.h
+++ b/objectivec/GPBUtilities_PackagePrivate.h
@@ -309,7 +309,8 @@ NSString *GPBDecodeTextFormatName(const uint8_t *decodeData, int32_t key,
 
 // A series of selectors that are used solely to get @encoding values
 // for them by the dynamic protobuf runtime code. See
-// GPBMessageEncodingForSelector for details.
+// GPBMessageEncodingForSelector for details. GPBRootObject conforms to
+// the protocol so that it is encoded in the Objective C runtime.
 @protocol GPBMessageSignatureProtocol
 @optional
 
diff --git a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
index 1f1172b2..9333ea7d 100644
--- a/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
+++ b/objectivec/ProtocolBuffers_iOS.xcodeproj/project.pbxproj
@@ -880,7 +880,6 @@
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
 				FRAMEWORK_SEARCH_PATHS = (
-					"\"$(SDKROOT)/Developer/Library/Frameworks\"",
 					"\"$(DEVELOPER_LIBRARY_DIR)/Frameworks\"",
 					"$(inherited)",
 				);
@@ -916,7 +915,6 @@
 			buildSettings = {
 				CLANG_ENABLE_MODULES = YES;
 				FRAMEWORK_SEARCH_PATHS = (
-					"\"$(SDKROOT)/Developer/Library/Frameworks\"",
 					"\"$(DEVELOPER_LIBRARY_DIR)/Frameworks\"",
 					"$(inherited)",
 				);
diff --git a/objectivec/Tests/GPBCodedInputStreamTests.m b/objectivec/Tests/GPBCodedInputStreamTests.m
index d8e128f7..11f7ceaf 100644
--- a/objectivec/Tests/GPBCodedInputStreamTests.m
+++ b/objectivec/Tests/GPBCodedInputStreamTests.m
@@ -261,7 +261,7 @@
     GPBCodedInputStream* input32 = [GPBCodedInputStream streamWithData:data];
     XCTAssertEqual(value32, [input32 readInt32]);
 
-    int64_t value64 = INT64_MIN | (0x01L << 31);
+    int64_t value64 = INT64_MIN | (0x01LL << 31);
     GPBCodedInputStream* input64 = [GPBCodedInputStream streamWithData:data];
     XCTAssertEqual(value64, [input64 readInt64]);
   }
diff --git a/objectivec/Tests/GPBDictionaryTests+Bool.m b/objectivec/Tests/GPBDictionaryTests+Bool.m
index 0dbe07b6..0af0c815 100644
--- a/objectivec/Tests/GPBDictionaryTests+Bool.m
+++ b/objectivec/Tests/GPBDictionaryTests+Bool.m
@@ -63,7 +63,8 @@
 }
 
 - (void)testOne {
-  GPBBoolUInt32Dictionary *dict = [GPBBoolUInt32Dictionary dictionaryWithUInt32:100U forKey:YES];
+  GPBBoolUInt32Dictionary *dict = [[GPBBoolUInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -76,6 +77,7 @@
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -214,17 +216,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolUInt32Dictionary *dict2 =
-      [GPBBoolUInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBBoolUInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolUInt32Dictionary *dict = [GPBBoolUInt32Dictionary dictionary];
+  GPBBoolUInt32Dictionary *dict = [[GPBBoolUInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -249,6 +252,7 @@
   XCTAssertTrue([dict getUInt32:&value forKey:NO]);
   XCTAssertEqual(value, 101U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -364,7 +368,8 @@
 }
 
 - (void)testOne {
-  GPBBoolInt32Dictionary *dict = [GPBBoolInt32Dictionary dictionaryWithInt32:200 forKey:YES];
+  GPBBoolInt32Dictionary *dict = [[GPBBoolInt32Dictionary alloc] init];
+  [dict setInt32:200 forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -377,6 +382,7 @@
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -515,17 +521,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolInt32Dictionary *dict2 =
-      [GPBBoolInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBBoolInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolInt32Dictionary *dict = [GPBBoolInt32Dictionary dictionary];
+  GPBBoolInt32Dictionary *dict = [[GPBBoolInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -550,6 +557,7 @@
   XCTAssertTrue([dict getInt32:&value forKey:NO]);
   XCTAssertEqual(value, 201);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -665,7 +673,8 @@
 }
 
 - (void)testOne {
-  GPBBoolUInt64Dictionary *dict = [GPBBoolUInt64Dictionary dictionaryWithUInt64:300U forKey:YES];
+  GPBBoolUInt64Dictionary *dict = [[GPBBoolUInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -678,6 +687,7 @@
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -816,17 +826,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolUInt64Dictionary *dict2 =
-      [GPBBoolUInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBBoolUInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolUInt64Dictionary *dict = [GPBBoolUInt64Dictionary dictionary];
+  GPBBoolUInt64Dictionary *dict = [[GPBBoolUInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -851,6 +862,7 @@
   XCTAssertTrue([dict getUInt64:&value forKey:NO]);
   XCTAssertEqual(value, 301U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -966,7 +978,8 @@
 }
 
 - (void)testOne {
-  GPBBoolInt64Dictionary *dict = [GPBBoolInt64Dictionary dictionaryWithInt64:400 forKey:YES];
+  GPBBoolInt64Dictionary *dict = [[GPBBoolInt64Dictionary alloc] init];
+  [dict setInt64:400 forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -979,6 +992,7 @@
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1117,17 +1131,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolInt64Dictionary *dict2 =
-      [GPBBoolInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBBoolInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolInt64Dictionary *dict = [GPBBoolInt64Dictionary dictionary];
+  GPBBoolInt64Dictionary *dict = [[GPBBoolInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1152,6 +1167,7 @@
   XCTAssertTrue([dict getInt64:&value forKey:NO]);
   XCTAssertEqual(value, 401);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1267,7 +1283,8 @@
 }
 
 - (void)testOne {
-  GPBBoolBoolDictionary *dict = [GPBBoolBoolDictionary dictionaryWithBool:NO forKey:YES];
+  GPBBoolBoolDictionary *dict = [[GPBBoolBoolDictionary alloc] init];
+  [dict setBool:NO forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1280,6 +1297,7 @@
     XCTAssertEqual(aValue, NO);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1418,17 +1436,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolBoolDictionary *dict2 =
-      [GPBBoolBoolDictionary dictionaryWithDictionary:dict];
+      [[GPBBoolBoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolBoolDictionary *dict = [GPBBoolBoolDictionary dictionary];
+  GPBBoolBoolDictionary *dict = [[GPBBoolBoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1453,6 +1472,7 @@
   XCTAssertTrue([dict getBool:&value forKey:NO]);
   XCTAssertEqual(value, YES);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1568,7 +1588,8 @@
 }
 
 - (void)testOne {
-  GPBBoolFloatDictionary *dict = [GPBBoolFloatDictionary dictionaryWithFloat:500.f forKey:YES];
+  GPBBoolFloatDictionary *dict = [[GPBBoolFloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1581,6 +1602,7 @@
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1719,17 +1741,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolFloatDictionary *dict2 =
-      [GPBBoolFloatDictionary dictionaryWithDictionary:dict];
+      [[GPBBoolFloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolFloatDictionary *dict = [GPBBoolFloatDictionary dictionary];
+  GPBBoolFloatDictionary *dict = [[GPBBoolFloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1754,6 +1777,7 @@
   XCTAssertTrue([dict getFloat:&value forKey:NO]);
   XCTAssertEqual(value, 501.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1869,7 +1893,8 @@
 }
 
 - (void)testOne {
-  GPBBoolDoubleDictionary *dict = [GPBBoolDoubleDictionary dictionaryWithDouble:600. forKey:YES];
+  GPBBoolDoubleDictionary *dict = [[GPBBoolDoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -1882,6 +1907,7 @@
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2020,17 +2046,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolDoubleDictionary *dict2 =
-      [GPBBoolDoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBBoolDoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolDoubleDictionary *dict = [GPBBoolDoubleDictionary dictionary];
+  GPBBoolDoubleDictionary *dict = [[GPBBoolDoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2055,6 +2082,7 @@
   XCTAssertTrue([dict getDouble:&value forKey:NO]);
   XCTAssertEqual(value, 601.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2170,7 +2198,8 @@
 }
 
 - (void)testOne {
-  GPBBoolObjectDictionary<NSString*> *dict = [GPBBoolObjectDictionary dictionaryWithObject:@"abc" forKey:YES];
+  GPBBoolObjectDictionary<NSString*> *dict = [[GPBBoolObjectDictionary alloc] init];
+  [dict setObject:@"abc" forKey:YES];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   XCTAssertEqualObjects([dict objectForKey:YES], @"abc");
@@ -2180,6 +2209,7 @@
     XCTAssertEqualObjects(aObject, @"abc");
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2313,17 +2343,18 @@
   XCTAssertNotNil(dict);
 
   GPBBoolObjectDictionary<NSString*> *dict2 =
-      [GPBBoolObjectDictionary dictionaryWithDictionary:dict];
+      [[GPBBoolObjectDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBBoolObjectDictionary<NSString*> *dict = [GPBBoolObjectDictionary dictionary];
+  GPBBoolObjectDictionary<NSString*> *dict = [[GPBBoolObjectDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2343,6 +2374,7 @@
   XCTAssertEqualObjects([dict objectForKey:YES], @"abc");
   XCTAssertEqualObjects([dict objectForKey:NO], @"def");
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests+Int32.m b/objectivec/Tests/GPBDictionaryTests+Int32.m
index c539bdc2..4ba30203 100644
--- a/objectivec/Tests/GPBDictionaryTests+Int32.m
+++ b/objectivec/Tests/GPBDictionaryTests+Int32.m
@@ -45,7 +45,6 @@
 
 // To let the testing macros work, add some extra methods to simplify things.
 @interface GPBInt32EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(int32_t)key;
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const int32_t [])keys
                         count:(NSUInteger)count;
@@ -64,14 +63,6 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 @implementation GPBInt32EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(int32_t)key {
-  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-  // type correct.
-  return [[(GPBInt32EnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-                                                                  rawValues:&value
-                                                                    forKeys:&key
-                                                                      count:1] autorelease];
-}
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const int32_t [])keys
                         count:(NSUInteger)count {
@@ -103,7 +94,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32UInt32Dictionary *dict = [GPBInt32UInt32Dictionary dictionaryWithUInt32:100U forKey:11];
+  GPBInt32UInt32Dictionary *dict = [[GPBInt32UInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -116,6 +108,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -258,17 +251,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32UInt32Dictionary *dict2 =
-      [GPBInt32UInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt32UInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32UInt32Dictionary *dict = [GPBInt32UInt32Dictionary dictionary];
+  GPBInt32UInt32Dictionary *dict = [[GPBInt32UInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -299,6 +293,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt32:&value forKey:14]);
   XCTAssertEqual(value, 103U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -460,7 +455,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32Int32Dictionary *dict = [GPBInt32Int32Dictionary dictionaryWithInt32:200 forKey:11];
+  GPBInt32Int32Dictionary *dict = [[GPBInt32Int32Dictionary alloc] init];
+  [dict setInt32:200 forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -473,6 +469,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -615,17 +612,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32Int32Dictionary *dict2 =
-      [GPBInt32Int32Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt32Int32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32Int32Dictionary *dict = [GPBInt32Int32Dictionary dictionary];
+  GPBInt32Int32Dictionary *dict = [[GPBInt32Int32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -656,6 +654,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt32:&value forKey:14]);
   XCTAssertEqual(value, 203);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -817,7 +816,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32UInt64Dictionary *dict = [GPBInt32UInt64Dictionary dictionaryWithUInt64:300U forKey:11];
+  GPBInt32UInt64Dictionary *dict = [[GPBInt32UInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -830,6 +830,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -972,17 +973,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32UInt64Dictionary *dict2 =
-      [GPBInt32UInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt32UInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32UInt64Dictionary *dict = [GPBInt32UInt64Dictionary dictionary];
+  GPBInt32UInt64Dictionary *dict = [[GPBInt32UInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1013,6 +1015,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt64:&value forKey:14]);
   XCTAssertEqual(value, 303U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1174,7 +1177,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32Int64Dictionary *dict = [GPBInt32Int64Dictionary dictionaryWithInt64:400 forKey:11];
+  GPBInt32Int64Dictionary *dict = [[GPBInt32Int64Dictionary alloc] init];
+  [dict setInt64:400 forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -1187,6 +1191,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1329,17 +1334,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32Int64Dictionary *dict2 =
-      [GPBInt32Int64Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt32Int64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32Int64Dictionary *dict = [GPBInt32Int64Dictionary dictionary];
+  GPBInt32Int64Dictionary *dict = [[GPBInt32Int64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1370,6 +1376,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt64:&value forKey:14]);
   XCTAssertEqual(value, 403);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1531,7 +1538,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32BoolDictionary *dict = [GPBInt32BoolDictionary dictionaryWithBool:YES forKey:11];
+  GPBInt32BoolDictionary *dict = [[GPBInt32BoolDictionary alloc] init];
+  [dict setBool:YES forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1544,6 +1552,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, YES);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1686,17 +1695,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32BoolDictionary *dict2 =
-      [GPBInt32BoolDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32BoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32BoolDictionary *dict = [GPBInt32BoolDictionary dictionary];
+  GPBInt32BoolDictionary *dict = [[GPBInt32BoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1727,6 +1737,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getBool:&value forKey:14]);
   XCTAssertEqual(value, NO);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1888,7 +1899,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32FloatDictionary *dict = [GPBInt32FloatDictionary dictionaryWithFloat:500.f forKey:11];
+  GPBInt32FloatDictionary *dict = [[GPBInt32FloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1901,6 +1913,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2043,17 +2056,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32FloatDictionary *dict2 =
-      [GPBInt32FloatDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32FloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32FloatDictionary *dict = [GPBInt32FloatDictionary dictionary];
+  GPBInt32FloatDictionary *dict = [[GPBInt32FloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2084,6 +2098,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getFloat:&value forKey:14]);
   XCTAssertEqual(value, 503.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2245,7 +2260,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32DoubleDictionary *dict = [GPBInt32DoubleDictionary dictionaryWithDouble:600. forKey:11];
+  GPBInt32DoubleDictionary *dict = [[GPBInt32DoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -2258,6 +2274,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2400,17 +2417,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32DoubleDictionary *dict2 =
-      [GPBInt32DoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32DoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32DoubleDictionary *dict = [GPBInt32DoubleDictionary dictionary];
+  GPBInt32DoubleDictionary *dict = [[GPBInt32DoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2441,6 +2459,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getDouble:&value forKey:14]);
   XCTAssertEqual(value, 603.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2602,7 +2621,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32EnumDictionary *dict = [GPBInt32EnumDictionary dictionaryWithEnum:700 forKey:11];
+  GPBInt32EnumDictionary *dict = [[GPBInt32EnumDictionary alloc] init];
+  [dict setEnum:700 forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -2615,6 +2635,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 700);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2757,17 +2778,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32EnumDictionary *dict2 =
-      [GPBInt32EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32EnumDictionary *dict = [GPBInt32EnumDictionary dictionary];
+  GPBInt32EnumDictionary *dict = [[GPBInt32EnumDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2798,6 +2820,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getEnum:&value forKey:14]);
   XCTAssertEqual(value, 703);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -3120,19 +3143,20 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32EnumDictionary *dict2 =
-      [GPBInt32EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
   XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+  [dict2 release];
   [dict release];
 }
 
 - (void)testUnknownAdds {
   GPBInt32EnumDictionary *dict =
-    [GPBInt32EnumDictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+      [[GPBInt32EnumDictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3172,6 +3196,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getRawValue:&value forKey:14]);
   XCTAssertEqual(value, 803);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testUnknownRemove {
@@ -3375,7 +3400,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt32ObjectDictionary<NSString*> *dict = [GPBInt32ObjectDictionary dictionaryWithObject:@"abc" forKey:11];
+  GPBInt32ObjectDictionary<NSString*> *dict = [[GPBInt32ObjectDictionary alloc] init];
+  [dict setObject:@"abc" forKey:11];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   XCTAssertEqualObjects([dict objectForKey:11], @"abc");
@@ -3385,6 +3411,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqualObjects(aObject, @"abc");
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -3520,17 +3547,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt32ObjectDictionary<NSString*> *dict2 =
-      [GPBInt32ObjectDictionary dictionaryWithDictionary:dict];
+      [[GPBInt32ObjectDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt32ObjectDictionary<NSString*> *dict = [GPBInt32ObjectDictionary dictionary];
+  GPBInt32ObjectDictionary<NSString*> *dict = [[GPBInt32ObjectDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3552,6 +3580,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertEqualObjects([dict objectForKey:13], @"ghi");
   XCTAssertEqualObjects([dict objectForKey:14], @"jkl");
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests+Int64.m b/objectivec/Tests/GPBDictionaryTests+Int64.m
index b90cdf8c..966024b7 100644
--- a/objectivec/Tests/GPBDictionaryTests+Int64.m
+++ b/objectivec/Tests/GPBDictionaryTests+Int64.m
@@ -45,7 +45,6 @@
 
 // To let the testing macros work, add some extra methods to simplify things.
 @interface GPBInt64EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(int64_t)key;
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const int64_t [])keys
                         count:(NSUInteger)count;
@@ -64,14 +63,6 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 @implementation GPBInt64EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(int64_t)key {
-  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-  // type correct.
-  return [[(GPBInt64EnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-                                                                  rawValues:&value
-                                                                    forKeys:&key
-                                                                      count:1] autorelease];
-}
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const int64_t [])keys
                         count:(NSUInteger)count {
@@ -103,7 +94,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64UInt32Dictionary *dict = [GPBInt64UInt32Dictionary dictionaryWithUInt32:100U forKey:21LL];
+  GPBInt64UInt32Dictionary *dict = [[GPBInt64UInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -116,6 +108,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -258,17 +251,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64UInt32Dictionary *dict2 =
-      [GPBInt64UInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt64UInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64UInt32Dictionary *dict = [GPBInt64UInt32Dictionary dictionary];
+  GPBInt64UInt32Dictionary *dict = [[GPBInt64UInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -299,6 +293,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt32:&value forKey:24LL]);
   XCTAssertEqual(value, 103U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -460,7 +455,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64Int32Dictionary *dict = [GPBInt64Int32Dictionary dictionaryWithInt32:200 forKey:21LL];
+  GPBInt64Int32Dictionary *dict = [[GPBInt64Int32Dictionary alloc] init];
+  [dict setInt32:200 forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -473,6 +469,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -615,17 +612,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64Int32Dictionary *dict2 =
-      [GPBInt64Int32Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt64Int32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64Int32Dictionary *dict = [GPBInt64Int32Dictionary dictionary];
+  GPBInt64Int32Dictionary *dict = [[GPBInt64Int32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -656,6 +654,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt32:&value forKey:24LL]);
   XCTAssertEqual(value, 203);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -817,7 +816,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64UInt64Dictionary *dict = [GPBInt64UInt64Dictionary dictionaryWithUInt64:300U forKey:21LL];
+  GPBInt64UInt64Dictionary *dict = [[GPBInt64UInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -830,6 +830,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -972,17 +973,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64UInt64Dictionary *dict2 =
-      [GPBInt64UInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt64UInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64UInt64Dictionary *dict = [GPBInt64UInt64Dictionary dictionary];
+  GPBInt64UInt64Dictionary *dict = [[GPBInt64UInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1013,6 +1015,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt64:&value forKey:24LL]);
   XCTAssertEqual(value, 303U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1174,7 +1177,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64Int64Dictionary *dict = [GPBInt64Int64Dictionary dictionaryWithInt64:400 forKey:21LL];
+  GPBInt64Int64Dictionary *dict = [[GPBInt64Int64Dictionary alloc] init];
+  [dict setInt64:400 forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -1187,6 +1191,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1329,17 +1334,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64Int64Dictionary *dict2 =
-      [GPBInt64Int64Dictionary dictionaryWithDictionary:dict];
+      [[GPBInt64Int64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64Int64Dictionary *dict = [GPBInt64Int64Dictionary dictionary];
+  GPBInt64Int64Dictionary *dict = [[GPBInt64Int64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1370,6 +1376,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt64:&value forKey:24LL]);
   XCTAssertEqual(value, 403);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1531,7 +1538,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64BoolDictionary *dict = [GPBInt64BoolDictionary dictionaryWithBool:YES forKey:21LL];
+  GPBInt64BoolDictionary *dict = [[GPBInt64BoolDictionary alloc] init];
+  [dict setBool:YES forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1544,6 +1552,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, YES);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1686,17 +1695,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64BoolDictionary *dict2 =
-      [GPBInt64BoolDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64BoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64BoolDictionary *dict = [GPBInt64BoolDictionary dictionary];
+  GPBInt64BoolDictionary *dict = [[GPBInt64BoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1727,6 +1737,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getBool:&value forKey:24LL]);
   XCTAssertEqual(value, NO);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1888,7 +1899,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64FloatDictionary *dict = [GPBInt64FloatDictionary dictionaryWithFloat:500.f forKey:21LL];
+  GPBInt64FloatDictionary *dict = [[GPBInt64FloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1901,6 +1913,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2043,17 +2056,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64FloatDictionary *dict2 =
-      [GPBInt64FloatDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64FloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64FloatDictionary *dict = [GPBInt64FloatDictionary dictionary];
+  GPBInt64FloatDictionary *dict = [[GPBInt64FloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2084,6 +2098,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getFloat:&value forKey:24LL]);
   XCTAssertEqual(value, 503.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2245,7 +2260,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64DoubleDictionary *dict = [GPBInt64DoubleDictionary dictionaryWithDouble:600. forKey:21LL];
+  GPBInt64DoubleDictionary *dict = [[GPBInt64DoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -2258,6 +2274,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2400,17 +2417,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64DoubleDictionary *dict2 =
-      [GPBInt64DoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64DoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64DoubleDictionary *dict = [GPBInt64DoubleDictionary dictionary];
+  GPBInt64DoubleDictionary *dict = [[GPBInt64DoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2441,6 +2459,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getDouble:&value forKey:24LL]);
   XCTAssertEqual(value, 603.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2602,7 +2621,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64EnumDictionary *dict = [GPBInt64EnumDictionary dictionaryWithEnum:700 forKey:21LL];
+  GPBInt64EnumDictionary *dict = [[GPBInt64EnumDictionary alloc] init];
+  [dict setEnum:700 forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -2615,6 +2635,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 700);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2757,17 +2778,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64EnumDictionary *dict2 =
-      [GPBInt64EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64EnumDictionary *dict = [GPBInt64EnumDictionary dictionary];
+  GPBInt64EnumDictionary *dict = [[GPBInt64EnumDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2798,6 +2820,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getEnum:&value forKey:24LL]);
   XCTAssertEqual(value, 703);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -3120,19 +3143,20 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64EnumDictionary *dict2 =
-      [GPBInt64EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
   XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+  [dict2 release];
   [dict release];
 }
 
 - (void)testUnknownAdds {
   GPBInt64EnumDictionary *dict =
-    [GPBInt64EnumDictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+      [[GPBInt64EnumDictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3172,6 +3196,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getRawValue:&value forKey:24LL]);
   XCTAssertEqual(value, 803);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testUnknownRemove {
@@ -3375,7 +3400,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBInt64ObjectDictionary<NSString*> *dict = [GPBInt64ObjectDictionary dictionaryWithObject:@"abc" forKey:21LL];
+  GPBInt64ObjectDictionary<NSString*> *dict = [[GPBInt64ObjectDictionary alloc] init];
+  [dict setObject:@"abc" forKey:21LL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   XCTAssertEqualObjects([dict objectForKey:21LL], @"abc");
@@ -3385,6 +3411,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqualObjects(aObject, @"abc");
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -3520,17 +3547,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBInt64ObjectDictionary<NSString*> *dict2 =
-      [GPBInt64ObjectDictionary dictionaryWithDictionary:dict];
+      [[GPBInt64ObjectDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBInt64ObjectDictionary<NSString*> *dict = [GPBInt64ObjectDictionary dictionary];
+  GPBInt64ObjectDictionary<NSString*> *dict = [[GPBInt64ObjectDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3552,6 +3580,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertEqualObjects([dict objectForKey:23LL], @"ghi");
   XCTAssertEqualObjects([dict objectForKey:24LL], @"jkl");
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests+String.m b/objectivec/Tests/GPBDictionaryTests+String.m
index 5df1d51d..82d7952b 100644
--- a/objectivec/Tests/GPBDictionaryTests+String.m
+++ b/objectivec/Tests/GPBDictionaryTests+String.m
@@ -45,7 +45,6 @@
 
 // To let the testing macros work, add some extra methods to simplify things.
 @interface GPBStringEnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(NSString *)key;
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const NSString * [])keys
                         count:(NSUInteger)count;
@@ -64,14 +63,6 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 @implementation GPBStringEnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(NSString *)key {
-  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-  // type correct.
-  return [[(GPBStringEnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-                                                                   rawValues:&value
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const NSString * [])keys
                         count:(NSUInteger)count {
@@ -103,7 +94,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringUInt32Dictionary *dict = [GPBStringUInt32Dictionary dictionaryWithUInt32:100U forKey:@"foo"];
+  GPBStringUInt32Dictionary *dict = [[GPBStringUInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -116,6 +108,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -258,17 +251,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringUInt32Dictionary *dict2 =
-      [GPBStringUInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBStringUInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringUInt32Dictionary *dict = [GPBStringUInt32Dictionary dictionary];
+  GPBStringUInt32Dictionary *dict = [[GPBStringUInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -299,6 +293,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt32:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 103U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -460,7 +455,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringInt32Dictionary *dict = [GPBStringInt32Dictionary dictionaryWithInt32:200 forKey:@"foo"];
+  GPBStringInt32Dictionary *dict = [[GPBStringInt32Dictionary alloc] init];
+  [dict setInt32:200 forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -473,6 +469,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -615,17 +612,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringInt32Dictionary *dict2 =
-      [GPBStringInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBStringInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringInt32Dictionary *dict = [GPBStringInt32Dictionary dictionary];
+  GPBStringInt32Dictionary *dict = [[GPBStringInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -656,6 +654,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt32:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 203);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -817,7 +816,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringUInt64Dictionary *dict = [GPBStringUInt64Dictionary dictionaryWithUInt64:300U forKey:@"foo"];
+  GPBStringUInt64Dictionary *dict = [[GPBStringUInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -830,6 +830,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -972,17 +973,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringUInt64Dictionary *dict2 =
-      [GPBStringUInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBStringUInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringUInt64Dictionary *dict = [GPBStringUInt64Dictionary dictionary];
+  GPBStringUInt64Dictionary *dict = [[GPBStringUInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1013,6 +1015,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt64:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 303U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1174,7 +1177,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringInt64Dictionary *dict = [GPBStringInt64Dictionary dictionaryWithInt64:400 forKey:@"foo"];
+  GPBStringInt64Dictionary *dict = [[GPBStringInt64Dictionary alloc] init];
+  [dict setInt64:400 forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -1187,6 +1191,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1329,17 +1334,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringInt64Dictionary *dict2 =
-      [GPBStringInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBStringInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringInt64Dictionary *dict = [GPBStringInt64Dictionary dictionary];
+  GPBStringInt64Dictionary *dict = [[GPBStringInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1370,6 +1376,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt64:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 403);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1531,7 +1538,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringBoolDictionary *dict = [GPBStringBoolDictionary dictionaryWithBool:YES forKey:@"foo"];
+  GPBStringBoolDictionary *dict = [[GPBStringBoolDictionary alloc] init];
+  [dict setBool:YES forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1544,6 +1552,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, YES);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1686,17 +1695,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringBoolDictionary *dict2 =
-      [GPBStringBoolDictionary dictionaryWithDictionary:dict];
+      [[GPBStringBoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringBoolDictionary *dict = [GPBStringBoolDictionary dictionary];
+  GPBStringBoolDictionary *dict = [[GPBStringBoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1727,6 +1737,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getBool:&value forKey:@"mumble"]);
   XCTAssertEqual(value, NO);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1888,7 +1899,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringFloatDictionary *dict = [GPBStringFloatDictionary dictionaryWithFloat:500.f forKey:@"foo"];
+  GPBStringFloatDictionary *dict = [[GPBStringFloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1901,6 +1913,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2043,17 +2056,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringFloatDictionary *dict2 =
-      [GPBStringFloatDictionary dictionaryWithDictionary:dict];
+      [[GPBStringFloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringFloatDictionary *dict = [GPBStringFloatDictionary dictionary];
+  GPBStringFloatDictionary *dict = [[GPBStringFloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2084,6 +2098,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getFloat:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 503.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2245,7 +2260,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringDoubleDictionary *dict = [GPBStringDoubleDictionary dictionaryWithDouble:600. forKey:@"foo"];
+  GPBStringDoubleDictionary *dict = [[GPBStringDoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -2258,6 +2274,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2400,17 +2417,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringDoubleDictionary *dict2 =
-      [GPBStringDoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBStringDoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringDoubleDictionary *dict = [GPBStringDoubleDictionary dictionary];
+  GPBStringDoubleDictionary *dict = [[GPBStringDoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2441,6 +2459,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getDouble:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 603.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2602,7 +2621,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBStringEnumDictionary *dict = [GPBStringEnumDictionary dictionaryWithEnum:700 forKey:@"foo"];
+  GPBStringEnumDictionary *dict = [[GPBStringEnumDictionary alloc] init];
+  [dict setEnum:700 forKey:@"foo"];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -2615,6 +2635,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 700);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2757,17 +2778,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringEnumDictionary *dict2 =
-      [GPBStringEnumDictionary dictionaryWithDictionary:dict];
+      [[GPBStringEnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBStringEnumDictionary *dict = [GPBStringEnumDictionary dictionary];
+  GPBStringEnumDictionary *dict = [[GPBStringEnumDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2798,6 +2820,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getEnum:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 703);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -3120,19 +3143,20 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBStringEnumDictionary *dict2 =
-      [GPBStringEnumDictionary dictionaryWithDictionary:dict];
+      [[GPBStringEnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
   XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+  [dict2 release];
   [dict release];
 }
 
 - (void)testUnknownAdds {
   GPBStringEnumDictionary *dict =
-    [GPBStringEnumDictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+      [[GPBStringEnumDictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3172,6 +3196,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getRawValue:&value forKey:@"mumble"]);
   XCTAssertEqual(value, 803);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testUnknownRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests+UInt32.m b/objectivec/Tests/GPBDictionaryTests+UInt32.m
index 1d3f6f78..5314c58a 100644
--- a/objectivec/Tests/GPBDictionaryTests+UInt32.m
+++ b/objectivec/Tests/GPBDictionaryTests+UInt32.m
@@ -45,7 +45,6 @@
 
 // To let the testing macros work, add some extra methods to simplify things.
 @interface GPBUInt32EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(uint32_t)key;
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const uint32_t [])keys
                         count:(NSUInteger)count;
@@ -64,14 +63,6 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 @implementation GPBUInt32EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(uint32_t)key {
-  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-  // type correct.
-  return [[(GPBUInt32EnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-                                                                   rawValues:&value
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const uint32_t [])keys
                         count:(NSUInteger)count {
@@ -103,7 +94,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32UInt32Dictionary *dict = [GPBUInt32UInt32Dictionary dictionaryWithUInt32:100U forKey:1U];
+  GPBUInt32UInt32Dictionary *dict = [[GPBUInt32UInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -116,6 +108,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -258,17 +251,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32UInt32Dictionary *dict2 =
-      [GPBUInt32UInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32UInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32UInt32Dictionary *dict = [GPBUInt32UInt32Dictionary dictionary];
+  GPBUInt32UInt32Dictionary *dict = [[GPBUInt32UInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -299,6 +293,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt32:&value forKey:4U]);
   XCTAssertEqual(value, 103U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -460,7 +455,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32Int32Dictionary *dict = [GPBUInt32Int32Dictionary dictionaryWithInt32:200 forKey:1U];
+  GPBUInt32Int32Dictionary *dict = [[GPBUInt32Int32Dictionary alloc] init];
+  [dict setInt32:200 forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -473,6 +469,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -615,17 +612,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32Int32Dictionary *dict2 =
-      [GPBUInt32Int32Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32Int32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32Int32Dictionary *dict = [GPBUInt32Int32Dictionary dictionary];
+  GPBUInt32Int32Dictionary *dict = [[GPBUInt32Int32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -656,6 +654,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt32:&value forKey:4U]);
   XCTAssertEqual(value, 203);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -817,7 +816,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32UInt64Dictionary *dict = [GPBUInt32UInt64Dictionary dictionaryWithUInt64:300U forKey:1U];
+  GPBUInt32UInt64Dictionary *dict = [[GPBUInt32UInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -830,6 +830,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -972,17 +973,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32UInt64Dictionary *dict2 =
-      [GPBUInt32UInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32UInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32UInt64Dictionary *dict = [GPBUInt32UInt64Dictionary dictionary];
+  GPBUInt32UInt64Dictionary *dict = [[GPBUInt32UInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1013,6 +1015,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt64:&value forKey:4U]);
   XCTAssertEqual(value, 303U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1174,7 +1177,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32Int64Dictionary *dict = [GPBUInt32Int64Dictionary dictionaryWithInt64:400 forKey:1U];
+  GPBUInt32Int64Dictionary *dict = [[GPBUInt32Int64Dictionary alloc] init];
+  [dict setInt64:400 forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -1187,6 +1191,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1329,17 +1334,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32Int64Dictionary *dict2 =
-      [GPBUInt32Int64Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32Int64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32Int64Dictionary *dict = [GPBUInt32Int64Dictionary dictionary];
+  GPBUInt32Int64Dictionary *dict = [[GPBUInt32Int64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1370,6 +1376,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt64:&value forKey:4U]);
   XCTAssertEqual(value, 403);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1531,7 +1538,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32BoolDictionary *dict = [GPBUInt32BoolDictionary dictionaryWithBool:YES forKey:1U];
+  GPBUInt32BoolDictionary *dict = [[GPBUInt32BoolDictionary alloc] init];
+  [dict setBool:YES forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1544,6 +1552,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, YES);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1686,17 +1695,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32BoolDictionary *dict2 =
-      [GPBUInt32BoolDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32BoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32BoolDictionary *dict = [GPBUInt32BoolDictionary dictionary];
+  GPBUInt32BoolDictionary *dict = [[GPBUInt32BoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1727,6 +1737,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getBool:&value forKey:4U]);
   XCTAssertEqual(value, NO);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1888,7 +1899,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32FloatDictionary *dict = [GPBUInt32FloatDictionary dictionaryWithFloat:500.f forKey:1U];
+  GPBUInt32FloatDictionary *dict = [[GPBUInt32FloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1901,6 +1913,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2043,17 +2056,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32FloatDictionary *dict2 =
-      [GPBUInt32FloatDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32FloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32FloatDictionary *dict = [GPBUInt32FloatDictionary dictionary];
+  GPBUInt32FloatDictionary *dict = [[GPBUInt32FloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2084,6 +2098,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getFloat:&value forKey:4U]);
   XCTAssertEqual(value, 503.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2245,7 +2260,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32DoubleDictionary *dict = [GPBUInt32DoubleDictionary dictionaryWithDouble:600. forKey:1U];
+  GPBUInt32DoubleDictionary *dict = [[GPBUInt32DoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -2258,6 +2274,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2400,17 +2417,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32DoubleDictionary *dict2 =
-      [GPBUInt32DoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32DoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32DoubleDictionary *dict = [GPBUInt32DoubleDictionary dictionary];
+  GPBUInt32DoubleDictionary *dict = [[GPBUInt32DoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2441,6 +2459,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getDouble:&value forKey:4U]);
   XCTAssertEqual(value, 603.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2602,7 +2621,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32EnumDictionary *dict = [GPBUInt32EnumDictionary dictionaryWithEnum:700 forKey:1U];
+  GPBUInt32EnumDictionary *dict = [[GPBUInt32EnumDictionary alloc] init];
+  [dict setEnum:700 forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -2615,6 +2635,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 700);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2757,17 +2778,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32EnumDictionary *dict2 =
-      [GPBUInt32EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32EnumDictionary *dict = [GPBUInt32EnumDictionary dictionary];
+  GPBUInt32EnumDictionary *dict = [[GPBUInt32EnumDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2798,6 +2820,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getEnum:&value forKey:4U]);
   XCTAssertEqual(value, 703);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -3120,19 +3143,20 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32EnumDictionary *dict2 =
-      [GPBUInt32EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
   XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+  [dict2 release];
   [dict release];
 }
 
 - (void)testUnknownAdds {
   GPBUInt32EnumDictionary *dict =
-    [GPBUInt32EnumDictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+      [[GPBUInt32EnumDictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3172,6 +3196,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getRawValue:&value forKey:4U]);
   XCTAssertEqual(value, 803);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testUnknownRemove {
@@ -3375,7 +3400,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt32ObjectDictionary<NSString*> *dict = [GPBUInt32ObjectDictionary dictionaryWithObject:@"abc" forKey:1U];
+  GPBUInt32ObjectDictionary<NSString*> *dict = [[GPBUInt32ObjectDictionary alloc] init];
+  [dict setObject:@"abc" forKey:1U];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   XCTAssertEqualObjects([dict objectForKey:1U], @"abc");
@@ -3385,6 +3411,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqualObjects(aObject, @"abc");
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -3520,17 +3547,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt32ObjectDictionary<NSString*> *dict2 =
-      [GPBUInt32ObjectDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt32ObjectDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt32ObjectDictionary<NSString*> *dict = [GPBUInt32ObjectDictionary dictionary];
+  GPBUInt32ObjectDictionary<NSString*> *dict = [[GPBUInt32ObjectDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3552,6 +3580,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertEqualObjects([dict objectForKey:3U], @"ghi");
   XCTAssertEqualObjects([dict objectForKey:4U], @"jkl");
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests+UInt64.m b/objectivec/Tests/GPBDictionaryTests+UInt64.m
index 94c116f6..ccd063f5 100644
--- a/objectivec/Tests/GPBDictionaryTests+UInt64.m
+++ b/objectivec/Tests/GPBDictionaryTests+UInt64.m
@@ -45,7 +45,6 @@
 
 // To let the testing macros work, add some extra methods to simplify things.
 @interface GPBUInt64EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(uint64_t)key;
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const uint64_t [])keys
                         count:(NSUInteger)count;
@@ -64,14 +63,6 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 @implementation GPBUInt64EnumDictionary (TestingTweak)
-+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(uint64_t)key {
-  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-  // type correct.
-  return [[(GPBUInt64EnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-                                                                   rawValues:&value
-                                                                     forKeys:&key
-                                                                       count:1] autorelease];
-}
 - (instancetype)initWithEnums:(const int32_t [])values
                       forKeys:(const uint64_t [])keys
                         count:(NSUInteger)count {
@@ -103,7 +94,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64UInt32Dictionary *dict = [GPBUInt64UInt32Dictionary dictionaryWithUInt32:100U forKey:31ULL];
+  GPBUInt64UInt32Dictionary *dict = [[GPBUInt64UInt32Dictionary alloc] init];
+  [dict setUInt32:100U forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint32_t value;
@@ -116,6 +108,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 100U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -258,17 +251,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64UInt32Dictionary *dict2 =
-      [GPBUInt64UInt32Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64UInt32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64UInt32Dictionary *dict = [GPBUInt64UInt32Dictionary dictionary];
+  GPBUInt64UInt32Dictionary *dict = [[GPBUInt64UInt32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -299,6 +293,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt32:&value forKey:34ULL]);
   XCTAssertEqual(value, 103U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -460,7 +455,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64Int32Dictionary *dict = [GPBUInt64Int32Dictionary dictionaryWithInt32:200 forKey:31ULL];
+  GPBUInt64Int32Dictionary *dict = [[GPBUInt64Int32Dictionary alloc] init];
+  [dict setInt32:200 forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -473,6 +469,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 200);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -615,17 +612,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64Int32Dictionary *dict2 =
-      [GPBUInt64Int32Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64Int32Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64Int32Dictionary *dict = [GPBUInt64Int32Dictionary dictionary];
+  GPBUInt64Int32Dictionary *dict = [[GPBUInt64Int32Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -656,6 +654,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt32:&value forKey:34ULL]);
   XCTAssertEqual(value, 203);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -817,7 +816,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64UInt64Dictionary *dict = [GPBUInt64UInt64Dictionary dictionaryWithUInt64:300U forKey:31ULL];
+  GPBUInt64UInt64Dictionary *dict = [[GPBUInt64UInt64Dictionary alloc] init];
+  [dict setUInt64:300U forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   uint64_t value;
@@ -830,6 +830,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 300U);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -972,17 +973,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64UInt64Dictionary *dict2 =
-      [GPBUInt64UInt64Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64UInt64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64UInt64Dictionary *dict = [GPBUInt64UInt64Dictionary dictionary];
+  GPBUInt64UInt64Dictionary *dict = [[GPBUInt64UInt64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1013,6 +1015,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getUInt64:&value forKey:34ULL]);
   XCTAssertEqual(value, 303U);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1174,7 +1177,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64Int64Dictionary *dict = [GPBUInt64Int64Dictionary dictionaryWithInt64:400 forKey:31ULL];
+  GPBUInt64Int64Dictionary *dict = [[GPBUInt64Int64Dictionary alloc] init];
+  [dict setInt64:400 forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int64_t value;
@@ -1187,6 +1191,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 400);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1329,17 +1334,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64Int64Dictionary *dict2 =
-      [GPBUInt64Int64Dictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64Int64Dictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64Int64Dictionary *dict = [GPBUInt64Int64Dictionary dictionary];
+  GPBUInt64Int64Dictionary *dict = [[GPBUInt64Int64Dictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1370,6 +1376,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getInt64:&value forKey:34ULL]);
   XCTAssertEqual(value, 403);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1531,7 +1538,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64BoolDictionary *dict = [GPBUInt64BoolDictionary dictionaryWithBool:YES forKey:31ULL];
+  GPBUInt64BoolDictionary *dict = [[GPBUInt64BoolDictionary alloc] init];
+  [dict setBool:YES forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   BOOL value;
@@ -1544,6 +1552,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, YES);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -1686,17 +1695,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64BoolDictionary *dict2 =
-      [GPBUInt64BoolDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64BoolDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64BoolDictionary *dict = [GPBUInt64BoolDictionary dictionary];
+  GPBUInt64BoolDictionary *dict = [[GPBUInt64BoolDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -1727,6 +1737,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getBool:&value forKey:34ULL]);
   XCTAssertEqual(value, NO);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -1888,7 +1899,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64FloatDictionary *dict = [GPBUInt64FloatDictionary dictionaryWithFloat:500.f forKey:31ULL];
+  GPBUInt64FloatDictionary *dict = [[GPBUInt64FloatDictionary alloc] init];
+  [dict setFloat:500.f forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   float value;
@@ -1901,6 +1913,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 500.f);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2043,17 +2056,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64FloatDictionary *dict2 =
-      [GPBUInt64FloatDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64FloatDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64FloatDictionary *dict = [GPBUInt64FloatDictionary dictionary];
+  GPBUInt64FloatDictionary *dict = [[GPBUInt64FloatDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2084,6 +2098,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getFloat:&value forKey:34ULL]);
   XCTAssertEqual(value, 503.f);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2245,7 +2260,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64DoubleDictionary *dict = [GPBUInt64DoubleDictionary dictionaryWithDouble:600. forKey:31ULL];
+  GPBUInt64DoubleDictionary *dict = [[GPBUInt64DoubleDictionary alloc] init];
+  [dict setDouble:600. forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   double value;
@@ -2258,6 +2274,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 600.);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2400,17 +2417,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64DoubleDictionary *dict2 =
-      [GPBUInt64DoubleDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64DoubleDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64DoubleDictionary *dict = [GPBUInt64DoubleDictionary dictionary];
+  GPBUInt64DoubleDictionary *dict = [[GPBUInt64DoubleDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2441,6 +2459,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getDouble:&value forKey:34ULL]);
   XCTAssertEqual(value, 603.);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -2602,7 +2621,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64EnumDictionary *dict = [GPBUInt64EnumDictionary dictionaryWithEnum:700 forKey:31ULL];
+  GPBUInt64EnumDictionary *dict = [[GPBUInt64EnumDictionary alloc] init];
+  [dict setEnum:700 forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   int32_t value;
@@ -2615,6 +2635,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqual(aValue, 700);
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -2757,17 +2778,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64EnumDictionary *dict2 =
-      [GPBUInt64EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64EnumDictionary *dict = [GPBUInt64EnumDictionary dictionary];
+  GPBUInt64EnumDictionary *dict = [[GPBUInt64EnumDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -2798,6 +2820,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getEnum:&value forKey:34ULL]);
   XCTAssertEqual(value, 703);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
@@ -3120,19 +3143,20 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64EnumDictionary *dict2 =
-      [GPBUInt64EnumDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64EnumDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
   XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+  [dict2 release];
   [dict release];
 }
 
 - (void)testUnknownAdds {
   GPBUInt64EnumDictionary *dict =
-    [GPBUInt64EnumDictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+      [[GPBUInt64EnumDictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3172,6 +3196,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertTrue([dict getRawValue:&value forKey:34ULL]);
   XCTAssertEqual(value, 803);
   [dict2 release];
+  [dict release];
 }
 
 - (void)testUnknownRemove {
@@ -3375,7 +3400,8 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
 }
 
 - (void)testOne {
-  GPBUInt64ObjectDictionary<NSString*> *dict = [GPBUInt64ObjectDictionary dictionaryWithObject:@"abc" forKey:31ULL];
+  GPBUInt64ObjectDictionary<NSString*> *dict = [[GPBUInt64ObjectDictionary alloc] init];
+  [dict setObject:@"abc" forKey:31ULL];
   XCTAssertNotNil(dict);
   XCTAssertEqual(dict.count, 1U);
   XCTAssertEqualObjects([dict objectForKey:31ULL], @"abc");
@@ -3385,6 +3411,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
     XCTAssertEqualObjects(aObject, @"abc");
     XCTAssertNotEqual(stop, NULL);
   }];
+  [dict release];
 }
 
 - (void)testBasics {
@@ -3520,17 +3547,18 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertNotNil(dict);
 
   GPBUInt64ObjectDictionary<NSString*> *dict2 =
-      [GPBUInt64ObjectDictionary dictionaryWithDictionary:dict];
+      [[GPBUInt64ObjectDictionary alloc] initWithDictionary:dict];
   XCTAssertNotNil(dict2);
 
   // Should be new pointer, but equal objects.
   XCTAssertNotEqual(dict, dict2);
   XCTAssertEqualObjects(dict, dict2);
+  [dict2 release];
   [dict release];
 }
 
 - (void)testAdds {
-  GPBUInt64ObjectDictionary<NSString*> *dict = [GPBUInt64ObjectDictionary dictionary];
+  GPBUInt64ObjectDictionary<NSString*> *dict = [[GPBUInt64ObjectDictionary alloc] init];
   XCTAssertNotNil(dict);
 
   XCTAssertEqual(dict.count, 0U);
@@ -3552,6 +3580,7 @@ static BOOL TestingEnum_IsValidValue(int32_t value) {
   XCTAssertEqualObjects([dict objectForKey:33ULL], @"ghi");
   XCTAssertEqualObjects([dict objectForKey:34ULL], @"jkl");
   [dict2 release];
+  [dict release];
 }
 
 - (void)testRemove {
diff --git a/objectivec/Tests/GPBDictionaryTests.pddm b/objectivec/Tests/GPBDictionaryTests.pddm
index d6aa7211..17f12c28 100644
--- a/objectivec/Tests/GPBDictionaryTests.pddm
+++ b/objectivec/Tests/GPBDictionaryTests.pddm
@@ -78,7 +78,8 @@
 //%}
 //%
 //%- (void)testOne {
-//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWith##VALUE_NAME$u##:VAL1 forKey:KEY1];
+//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] init];
+//%  [dict set##VALUE_NAME$u##:VAL1 forKey:KEY1];
 //%  XCTAssertNotNil(dict);
 //%  XCTAssertEqual(dict.count, 1U);
 //%DECLARE_VALUE_STORAGE##VHELPER(VALUE_TYPE, VNAME)TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY1, VAL1)
@@ -88,6 +89,7 @@
 //%    XCTAssertEqual##VSUFFIX(a##VNAME$u, VAL1);
 //%    XCTAssertNotEqual(stop, NULL);
 //%  }];
+//%  [dict release];
 //%}
 //%
 //%- (void)testBasics {
@@ -223,17 +225,18 @@
 //%  XCTAssertNotNil(dict);
 //%
 //%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict2 =
-//%      [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWithDictionary:dict];
+//%      [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] initWithDictionary:dict];
 //%  XCTAssertNotNil(dict2);
 //%
 //%  // Should be new pointer, but equal objects.
 //%  XCTAssertNotEqual(dict, dict2);
 //%  XCTAssertEqualObjects(dict, dict2);
+//%  [dict2 release];
 //%  [dict release];
 //%}
 //%
 //%- (void)testAdds {
-//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionary];
+//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] init];
 //%  XCTAssertNotNil(dict);
 //%
 //%  XCTAssertEqual(dict.count, 0U);
@@ -255,6 +258,7 @@
 //%TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY3, VAL3)
 //%TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY4, VAL4)
 //%  [dict2 release];
+//%  [dict release];
 //%}
 //%
 //%- (void)testRemove {
@@ -522,19 +526,20 @@
 //%  XCTAssertNotNil(dict);
 //%
 //%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict2 =
-//%      [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWithDictionary:dict];
+//%      [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] initWithDictionary:dict];
 //%  XCTAssertNotNil(dict2);
 //%
 //%  // Should be new pointer, but equal objects.
 //%  XCTAssertNotEqual(dict, dict2);
 //%  XCTAssertEqualObjects(dict, dict2);
 //%  XCTAssertEqual(dict.validationFunc, dict2.validationFunc);  // Pointer comparison
+//%  [dict2 release];
 //%  [dict release];
 //%}
 //%
 //%- (void)testUnknownAdds {
 //%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict =
-//%    [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWithValidationFunction:TestingEnum_IsValidValue];
+//%      [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] initWithValidationFunction:TestingEnum_IsValidValue];
 //%  XCTAssertNotNil(dict);
 //%
 //%  XCTAssertEqual(dict.count, 0U);
@@ -561,6 +566,7 @@
 //%TEST_VALUE##VHELPER(VALUE_NAME, dict, value, KEY4, kGPBUnrecognizedEnumeratorValue)
 //%TEST_RAW_VALUE##VHELPER(dict, value, KEY4, VAL4)
 //%  [dict2 release];
+//%  [dict release];
 //%}
 //%
 //%- (void)testUnknownRemove {
@@ -729,7 +735,6 @@
 //%PDDM-DEFINE TEST_HELPERS(KEY_NAME, KEY_TYPE, KisP)
 //%// To let the testing macros work, add some extra methods to simplify things.
 //%@interface GPB##KEY_NAME##EnumDictionary (TestingTweak)
-//%+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(KEY_TYPE##KisP$S##KisP)key;
 //%- (instancetype)initWithEnums:(const int32_t [])values
 //%                      forKeys:(const KEY_TYPE##KisP$S##KisP [])keys
 //%                        count:(NSUInteger)count;
@@ -748,14 +753,6 @@
 //%}
 //%
 //%@implementation GPB##KEY_NAME##EnumDictionary (TestingTweak)
-//%+ (instancetype)dictionaryWithEnum:(int32_t)value forKey:(KEY_TYPE##KisP$S##KisP)key {
-//%  // Cast is needed to compiler knows what class we are invoking initWithValues: on to get the
-//%  // type correct.
-//%  return [[(GPB##KEY_NAME##EnumDictionary*)[self alloc] initWithValidationFunction:TestingEnum_IsValidValue
-//%                KEY_NAME$S                                             rawValues:&value
-//%                KEY_NAME$S                                               forKeys:&key
-//%                KEY_NAME$S                                                 count:1] autorelease];
-//%}
 //%- (instancetype)initWithEnums:(const int32_t [])values
 //%                      forKeys:(const KEY_TYPE##KisP$S##KisP [])keys
 //%                        count:(NSUInteger)count {
@@ -801,7 +798,8 @@
 //%}
 //%
 //%- (void)testOne {
-//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWith##VALUE_NAME$u##:VAL1 forKey:KEY1];
+//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] init];
+//%  [dict set##VALUE_NAME$u##:VAL1 forKey:KEY1];
 //%  XCTAssertNotNil(dict);
 //%  XCTAssertEqual(dict.count, 1U);
 //%DECLARE_VALUE_STORAGE##VHELPER(VALUE_TYPE, VNAME)TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY1, VAL1)
@@ -811,6 +809,7 @@
 //%    XCTAssertEqual##VSUFFIX(a##VNAME$u, VAL1);
 //%    XCTAssertNotEqual(stop, NULL);
 //%  }];
+//%  [dict release];
 //%}
 //%
 //%- (void)testBasics {
@@ -944,17 +943,18 @@
 //%  XCTAssertNotNil(dict);
 //%
 //%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict2 =
-//%      [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionaryWithDictionary:dict];
+//%      [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] initWithDictionary:dict];
 //%  XCTAssertNotNil(dict2);
 //%
 //%  // Should be new pointer, but equal objects.
 //%  XCTAssertNotEqual(dict, dict2);
 //%  XCTAssertEqualObjects(dict, dict2);
+//%  [dict2 release];
 //%  [dict release];
 //%}
 //%
 //%- (void)testAdds {
-//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [GPB##KEY_NAME##VALUE_NAME##Dictionary dictionary];
+//%  DICTIONARY_CLASS_DECL##VHELPER(KEY_NAME, VALUE_NAME, VALUE_TYPE) *dict = [[GPB##KEY_NAME##VALUE_NAME##Dictionary alloc] init];
 //%  XCTAssertNotNil(dict);
 //%
 //%  XCTAssertEqual(dict.count, 0U);
@@ -974,6 +974,7 @@
 //%DECLARE_VALUE_STORAGE##VHELPER(VALUE_TYPE, VNAME)TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY1, VAL1)
 //%TEST_VALUE##VHELPER(VALUE_NAME, dict, VNAME, KEY2, VAL2)
 //%  [dict2 release];
+//%  [dict release];
 //%}
 //%
 //%- (void)testRemove {
diff --git a/objectivec/Tests/GPBMessageTests+Serialization.m b/objectivec/Tests/GPBMessageTests+Serialization.m
index 55d77a1f..921feab7 100644
--- a/objectivec/Tests/GPBMessageTests+Serialization.m
+++ b/objectivec/Tests/GPBMessageTests+Serialization.m
@@ -1114,10 +1114,10 @@
 - (void)testMap_Proto2UnknownEnum {
   TestEnumMapPlusExtra *orig = [[TestEnumMapPlusExtra alloc] init];
 
-  orig.knownMapField = [GPBInt32EnumDictionary
-      dictionaryWithValidationFunction:Proto2MapEnumPlusExtra_IsValidValue];
-  orig.unknownMapField = [GPBInt32EnumDictionary
-      dictionaryWithValidationFunction:Proto2MapEnumPlusExtra_IsValidValue];
+  orig.knownMapField = [[[GPBInt32EnumDictionary alloc]
+      initWithValidationFunction:Proto2MapEnumPlusExtra_IsValidValue] autorelease];
+  orig.unknownMapField = [[[GPBInt32EnumDictionary alloc]
+      initWithValidationFunction:Proto2MapEnumPlusExtra_IsValidValue] autorelease];
   [orig.knownMapField setEnum:Proto2MapEnumPlusExtra_EProto2MapEnumFoo
                        forKey:0];
   [orig.unknownMapField setEnum:Proto2MapEnumPlusExtra_EProto2MapEnumExtra
diff --git a/objectivec/Tests/GPBMessageTests.m b/objectivec/Tests/GPBMessageTests.m
index c15535c5..4d75f1e1 100644
--- a/objectivec/Tests/GPBMessageTests.m
+++ b/objectivec/Tests/GPBMessageTests.m
@@ -1238,7 +1238,8 @@
   // with different objects that are equal).
   TestRecursiveMessageWithRepeatedField *message3 =
       [TestRecursiveMessageWithRepeatedField message];
-  message3.iToI = [GPBInt32Int32Dictionary dictionaryWithInt32:10 forKey:20];
+  message3.iToI = [[[GPBInt32Int32Dictionary alloc] init] autorelease];
+  [message3.iToI setInt32:10 forKey:20];
   message3.strToStr =
       [NSMutableDictionary dictionaryWithObject:@"abc" forKey:@"123"];
   XCTAssertNotNil(message.iToI);
@@ -1323,7 +1324,8 @@
     XCTAssertFalse([message hasA]);
     GPBInt32Int32Dictionary *iToI = [message.a.iToI retain];
     XCTAssertEqual(iToI->_autocreator, message.a);  // Pointer comparision
-    message.a.iToI = [GPBInt32Int32Dictionary dictionaryWithInt32:6 forKey:7];
+    message.a.iToI = [[[GPBInt32Int32Dictionary alloc] init] autorelease];
+    [message.a.iToI setInt32:6 forKey:7];
     XCTAssertTrue([message hasA]);
     XCTAssertNotEqual(message.a.iToI, iToI);  // Pointer comparision
     XCTAssertNil(iToI->_autocreator);
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json
index 0cbf9acc..9f4a9e59 100644
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/Contents.json
@@ -1,72 +1,103 @@
 {
   "images" : [
     {
+      "size" : "20x20",
       "idiom" : "iphone",
+      "filename" : "appicon_40.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "appicon_60.png",
+      "scale" : "3x"
+    },
+    {
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "appicon_29.png",
       "scale" : "1x"
     },
     {
-      "idiom" : "iphone",
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "appicon_58.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "iphone",
       "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "appicon_87.png",
       "scale" : "3x"
     },
     {
-      "idiom" : "iphone",
       "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "appicon_80.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "iphone",
       "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "appicon_120.png",
       "scale" : "3x"
     },
     {
-      "size" : "57x57",
       "idiom" : "iphone",
-      "filename" : "iPhone6.png",
+      "size" : "57x57",
       "scale" : "1x"
     },
     {
-      "size" : "57x57",
       "idiom" : "iphone",
-      "filename" : "iPhone6_2x.png",
+      "size" : "57x57",
       "scale" : "2x"
     },
     {
       "size" : "60x60",
       "idiom" : "iphone",
-      "filename" : "iPhone7_2x.png",
+      "filename" : "appicon_120.png",
       "scale" : "2x"
     },
     {
       "size" : "60x60",
       "idiom" : "iphone",
-      "filename" : "iPhone7_3x.png",
+      "filename" : "appicon_180.png",
       "scale" : "3x"
     },
     {
+      "size" : "20x20",
       "idiom" : "ipad",
-      "size" : "29x29",
+      "filename" : "appicon_20.png",
       "scale" : "1x"
     },
     {
+      "size" : "20x20",
       "idiom" : "ipad",
-      "size" : "29x29",
+      "filename" : "appicon_40.png",
       "scale" : "2x"
     },
     {
+      "size" : "29x29",
       "idiom" : "ipad",
-      "size" : "40x40",
+      "filename" : "appicon_29.png",
       "scale" : "1x"
     },
     {
+      "size" : "29x29",
       "idiom" : "ipad",
+      "filename" : "appicon_58.png",
+      "scale" : "2x"
+    },
+    {
       "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "appicon_40.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "appicon_80.png",
       "scale" : "2x"
     },
     {
@@ -80,32 +111,37 @@
       "scale" : "2x"
     },
     {
-      "size" : "72x72",
       "idiom" : "ipad",
-      "filename" : "iPad6.png",
+      "size" : "72x72",
       "scale" : "1x"
     },
     {
-      "size" : "72x72",
       "idiom" : "ipad",
-      "filename" : "iPad6_2x.png",
+      "size" : "72x72",
       "scale" : "2x"
     },
     {
       "size" : "76x76",
       "idiom" : "ipad",
-      "filename" : "iPad7.png",
+      "filename" : "appicon_76.png",
       "scale" : "1x"
     },
     {
       "size" : "76x76",
       "idiom" : "ipad",
-      "filename" : "iPad7_2x.png",
+      "filename" : "appicon_152.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "appicon_167.png",
       "scale" : "2x"
     },
     {
-      "idiom" : "car",
-      "size" : "120x120",
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "appicon_1024.png",
       "scale" : "1x"
     }
   ],
@@ -113,4 +149,4 @@
     "version" : 1,
     "author" : "xcode"
   }
-}
+}
+\ No newline at end of file
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_1024.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_1024.png
new file mode 100644
index 00000000..6b6a102e
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_1024.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_120.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_120.png
new file mode 100644
index 00000000..1bac2e58
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_120.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_152.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_152.png
new file mode 100644
index 00000000..80f13301
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_152.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_167.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_167.png
new file mode 100644
index 00000000..99f0745e
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_167.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_180.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_180.png
new file mode 100644
index 00000000..ae123712
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_180.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_20.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_20.png
new file mode 100644
index 00000000..8e530c49
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_20.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_29.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_29.png
new file mode 100644
index 00000000..1826feb9
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_29.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_40.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_40.png
new file mode 100644
index 00000000..f2e2ded1
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_40.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_58.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_58.png
new file mode 100644
index 00000000..0ec6d003
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_58.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_60.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_60.png
new file mode 100644
index 00000000..8664e8b0
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_60.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_76.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_76.png
new file mode 100644
index 00000000..d4bb05b9
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_76.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_80.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_80.png
new file mode 100644
index 00000000..8fa6a8e7
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_80.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_87.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_87.png
new file mode 100644
index 00000000..b41bc67b
--- /dev/null
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/appicon_87.png
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6.png
deleted file mode 100644
index 43da2ee4..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6_2x.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6_2x.png
deleted file mode 100644
index 2ec93704..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad6_2x.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7.png
deleted file mode 100644
index aec8bc1b..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7_2x.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7_2x.png
deleted file mode 100644
index e39cc3e7..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPad7_2x.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6.png
deleted file mode 100644
index 5572d79f..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6_2x.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6_2x.png
deleted file mode 100644
index 2424997f..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone6_2x.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_2x.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_2x.png
deleted file mode 100644
index 10bfc3cf..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_2x.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_3x.png b/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_3x.png
deleted file mode 100644
index 8d16f14d..00000000
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/AppIcon.appiconset/iPhone7_3x.png
+++ /dev/null
diff --git a/objectivec/Tests/iOSTestHarness/Images.xcassets/LaunchImage.launchimage/Contents.json b/objectivec/Tests/iOSTestHarness/Images.xcassets/LaunchImage.launchimage/Contents.json
index 5a296668..a0ad363c 100644
--- a/objectivec/Tests/iOSTestHarness/Images.xcassets/LaunchImage.launchimage/Contents.json
+++ b/objectivec/Tests/iOSTestHarness/Images.xcassets/LaunchImage.launchimage/Contents.json
@@ -3,43 +3,30 @@
     {
       "orientation" : "portrait",
       "idiom" : "ipad",
-      "minimum-system-version" : "7.0",
       "extent" : "full-screen",
-      "scale" : "2x"
-    },
-    {
-      "orientation" : "landscape",
-      "idiom" : "ipad",
       "minimum-system-version" : "7.0",
-      "extent" : "full-screen",
       "scale" : "1x"
     },
     {
       "orientation" : "landscape",
       "idiom" : "ipad",
-      "minimum-system-version" : "7.0",
       "extent" : "full-screen",
-      "scale" : "2x"
-    },
-    {
-      "orientation" : "portrait",
-      "idiom" : "iphone",
       "minimum-system-version" : "7.0",
-      "scale" : "2x"
+      "scale" : "1x"
     },
     {
       "orientation" : "portrait",
-      "idiom" : "iphone",
+      "idiom" : "ipad",
+      "extent" : "full-screen",
       "minimum-system-version" : "7.0",
-      "subtype" : "retina4",
       "scale" : "2x"
     },
     {
-      "orientation" : "portrait",
+      "orientation" : "landscape",
       "idiom" : "ipad",
-      "minimum-system-version" : "7.0",
       "extent" : "full-screen",
-      "scale" : "1x"
+      "minimum-system-version" : "7.0",
+      "scale" : "2x"
     }
   ],
   "info" : {
diff --git a/php/README.md b/php/README.md
index cebeb3e5..da7884ea 100644
--- a/php/README.md
+++ b/php/README.md
@@ -16,7 +16,7 @@ generation functionality.
 
 To use PHP runtime library requires:
 
-- C extension: PHP 5.5.x or 5.6.x.
+- C extension: PHP 5.5, 5.6, or 7.
 - PHP package: PHP 5.5, 5.6 or 7.
 
 ## Installation
diff --git a/php/ext/google/protobuf/encode_decode.c b/php/ext/google/protobuf/encode_decode.c
index 7e2b3ae6..ae5a61f5 100644
--- a/php/ext/google/protobuf/encode_decode.c
+++ b/php/ext/google/protobuf/encode_decode.c
@@ -1614,3 +1614,12 @@ PHP_METHOD(Message, mergeFromJsonString) {
     stackenv_uninit(&se);
   }
 }
+
+PHP_METHOD(Message, discardUnknownFields) {
+  MessageHeader* msg = UNBOX(MessageHeader, getThis());
+  stringsink* unknown = DEREF(message_data(msg), 0, stringsink*);
+  if (unknown != NULL) {
+    stringsink_uninit(unknown);
+    DEREF(message_data(msg), 0, stringsink*) = NULL;
+  }
+}
diff --git a/php/ext/google/protobuf/message.c b/php/ext/google/protobuf/message.c
index 3fce2c17..6db010c5 100644
--- a/php/ext/google/protobuf/message.c
+++ b/php/ext/google/protobuf/message.c
@@ -42,6 +42,7 @@ static void hex_to_binary(const char* hex, char** binary, int* binary_len);
 
 static  zend_function_entry message_methods[] = {
   PHP_ME(Message, clear, NULL, ZEND_ACC_PUBLIC)
+  PHP_ME(Message, discardUnknownFields, NULL, ZEND_ACC_PUBLIC)
   PHP_ME(Message, serializeToString, NULL, ZEND_ACC_PUBLIC)
   PHP_ME(Message, mergeFromString, NULL, ZEND_ACC_PUBLIC)
   PHP_ME(Message, serializeToJsonString, NULL, ZEND_ACC_PUBLIC)
diff --git a/php/ext/google/protobuf/package.xml b/php/ext/google/protobuf/package.xml
index 4a473801..53aa4c7f 100644
--- a/php/ext/google/protobuf/package.xml
+++ b/php/ext/google/protobuf/package.xml
@@ -10,11 +10,11 @@
   <email>protobuf-opensource@google.com</email>
   <active>yes</active>
  </lead>
- <date>2017-09-14</date>
+ <date>2017-11-15</date>
  <time>11:02:07</time>
  <version>
-  <release>3.4.1</release>
-  <api>3.4.1</api>
+  <release>3.5.0</release>
+  <api>3.5.0</api>
  </version>
  <stability>
   <release>stable</release>
@@ -168,5 +168,21 @@ GA release.
 GA release.
    </notes>
   </release>
+  <release>
+   <version>
+    <release>3.5.0</release>
+    <api>3.5.0</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <date>2017-11-15</date>
+   <time>11:02:07</time>
+   <license uri="https://opensource.org/licenses/BSD-3-Clause">3-Clause BSD License</license>
+   <notes>
+GA release.
+   </notes>
+  </release>
  </changelog>
 </package>
diff --git a/php/ext/google/protobuf/protobuf.h b/php/ext/google/protobuf/protobuf.h
index 18343772..bd475144 100644
--- a/php/ext/google/protobuf/protobuf.h
+++ b/php/ext/google/protobuf/protobuf.h
@@ -37,7 +37,7 @@
 #include "upb.h"
 
 #define PHP_PROTOBUF_EXTNAME "protobuf"
-#define PHP_PROTOBUF_VERSION "3.4.1"
+#define PHP_PROTOBUF_VERSION "3.5.0"
 
 #define MAX_LENGTH_OF_INT64 20
 #define SIZEOF_INT64 8
@@ -608,48 +608,36 @@ typedef struct Api Api;
 typedef struct BoolValue BoolValue;
 typedef struct BytesValue BytesValue;
 typedef struct Descriptor Descriptor;
-typedef struct Descriptor Descriptor;
 typedef struct DescriptorPool DescriptorPool;
 typedef struct DoubleValue DoubleValue;
 typedef struct Duration Duration;
-typedef struct Enum Enum;
 typedef struct EnumDescriptor EnumDescriptor;
-typedef struct EnumDescriptor EnumDescriptor;
-typedef struct EnumValue EnumValue;
-typedef struct EnumValueDescriptor EnumValueDescriptor;
+typedef struct Enum Enum;
 typedef struct EnumValueDescriptor EnumValueDescriptor;
-typedef struct Field Field;
-typedef struct FieldDescriptor FieldDescriptor;
-typedef struct FieldDescriptor FieldDescriptor;
-typedef struct FieldMask FieldMask;
+typedef struct EnumValue EnumValue;
 typedef struct Field_Cardinality Field_Cardinality;
+typedef struct FieldDescriptor FieldDescriptor;
+typedef struct Field Field;
 typedef struct Field_Kind Field_Kind;
+typedef struct FieldMask FieldMask;
 typedef struct FloatValue FloatValue;
 typedef struct GPBEmpty GPBEmpty;
 typedef struct Int32Value Int32Value;
 typedef struct Int64Value Int64Value;
 typedef struct InternalDescriptorPool InternalDescriptorPool;
 typedef struct ListValue ListValue;
-typedef struct Map Map;
-typedef struct Map Map;
-typedef struct MapIter MapIter;
 typedef struct MapIter MapIter;
+typedef struct Map Map;
 typedef struct MessageField MessageField;
-typedef struct MessageField MessageField;
-typedef struct MessageHeader MessageHeader;
 typedef struct MessageHeader MessageHeader;
 typedef struct MessageLayout MessageLayout;
-typedef struct MessageLayout MessageLayout;
 typedef struct Method Method;
 typedef struct Mixin Mixin;
 typedef struct NullValue NullValue;
 typedef struct Oneof Oneof;
-typedef struct Oneof Oneof;
 typedef struct Option Option;
-typedef struct RepeatedField RepeatedField;
-typedef struct RepeatedField RepeatedField;
-typedef struct RepeatedFieldIter RepeatedFieldIter;
 typedef struct RepeatedFieldIter RepeatedFieldIter;
+typedef struct RepeatedField RepeatedField;
 typedef struct SourceContext SourceContext;
 typedef struct StringValue StringValue;
 typedef struct Struct Struct;
@@ -969,6 +957,7 @@ PHP_METHOD(Message, serializeToString);
 PHP_METHOD(Message, mergeFromString);
 PHP_METHOD(Message, serializeToJsonString);
 PHP_METHOD(Message, mergeFromJsonString);
+PHP_METHOD(Message, discardUnknownFields);
 
 // -----------------------------------------------------------------------------
 // Type check / conversion.
diff --git a/php/src/Google/Protobuf/Any.php b/php/src/Google/Protobuf/Any.php
index 91ba4bd5..f027b05d 100644
--- a/php/src/Google/Protobuf/Any.php
+++ b/php/src/Google/Protobuf/Any.php
@@ -4,7 +4,6 @@
 
 namespace Google\Protobuf;
 
-use Google\Protobuf\Internal\DescriptorPool;
 use Google\Protobuf\Internal\GPBType;
 use Google\Protobuf\Internal\GPBUtil;
 use Google\Protobuf\Internal\Message;
@@ -217,7 +216,7 @@ class Any extends \Google\Protobuf\Internal\Message
             substr($this->type_url, $url_prifix_len);
 
         // Create message according to fully qualified name.
-        $pool = DescriptorPool::getGeneratedPool();
+        $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
         $desc = $pool->getDescriptorByProtoName( ".".$fully_qualifed_name);
         if (is_null($desc)) {
             throw new \Exception("Class ".$fully_qualifed_name
@@ -248,7 +247,7 @@ class Any extends \Google\Protobuf\Internal\Message
         $this->value = $msg->serializeToString();
 
         // Set type url.
-        $pool = DescriptorPool::getGeneratedPool();
+        $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
         $desc = $pool->getDescriptorByClassName(get_class($msg));
         $fully_qualifed_name = $desc->getFullName();
         $this->type_url = GPBUtil::TYPE_URL_PREFIX.substr(
@@ -262,7 +261,7 @@ class Any extends \Google\Protobuf\Internal\Message
      */
     public function is($klass)
     {
-        $pool = DescriptorPool::getGeneratedPool();
+        $pool = \Google\Protobuf\Internal\DescriptorPool::getGeneratedPool();
         $desc = $pool->getDescriptorByClassName($klass);
         $fully_qualifed_name = $desc->getFullName();
         $type_url = GPBUtil::TYPE_URL_PREFIX.substr(
diff --git a/php/src/Google/Protobuf/Internal/Message.php b/php/src/Google/Protobuf/Internal/Message.php
index 9785be30..26d20575 100644
--- a/php/src/Google/Protobuf/Internal/Message.php
+++ b/php/src/Google/Protobuf/Internal/Message.php
@@ -577,6 +577,15 @@ class Message
     }
 
     /**
+     * Clear all unknown fields previously parsed.
+     * @return null.
+     */
+    public function discardUnknownFields()
+    {
+        $this->unknown = "";
+    }
+
+    /**
      * Merges the contents of the specified message into current message.
      *
      * This method merges the contents of the specified message into the
@@ -833,6 +842,8 @@ class Message
                 }
                 return $value;
             case GPBType::INT32:
+            case GPBType::SINT32:
+            case GPBType::SFIXED32:
                 if (is_null($value)) {
                     return $this->defaultValue($field);
                 }
@@ -850,6 +861,7 @@ class Message
                 }
                 return $value;
             case GPBType::UINT32:
+            case GPBType::FIXED32:
                 if (is_null($value)) {
                     return $this->defaultValue($field);
                 }
@@ -863,6 +875,8 @@ class Message
                 }
                 return $value;
             case GPBType::INT64:
+            case GPBType::SINT64:
+            case GPBType::SFIXED64:
                 if (is_null($value)) {
                     return $this->defaultValue($field);
                 }
@@ -880,6 +894,7 @@ class Message
                 }
                 return $value;
             case GPBType::UINT64:
+            case GPBType::FIXED64:
                 if (is_null($value)) {
                     return $this->defaultValue($field);
                 }
@@ -895,11 +910,6 @@ class Message
                     $value = bcsub($value, "18446744073709551616");
                 }
                 return $value;
-            case GPBType::FIXED64:
-                if (is_null($value)) {
-                    return $this->defaultValue($field);
-                }
-                return $value;
             default:
                 return $value;
         }
diff --git a/php/tests/encode_decode_test.php b/php/tests/encode_decode_test.php
index 4dca922b..4512c871 100644
--- a/php/tests/encode_decode_test.php
+++ b/php/tests/encode_decode_test.php
@@ -466,6 +466,13 @@ class EncodeDecodeTest extends TestBase
         $m->mergeFromString($from);
         $to = $m->serializeToString();
         $this->assertSame(bin2hex($from), bin2hex($to));
+
+        $m = new TestMessage();
+        $from = hex2bin('F80601');
+        $m->mergeFromString($from);
+        $m->discardUnknownFields();
+        $to = $m->serializeToString();
+        $this->assertSame("", bin2hex($to));
     }
 
     public function testJsonEncode()
diff --git a/post_process_dist.sh b/post_process_dist.sh
index a5f95800..eb5f584d 100755
--- a/post_process_dist.sh
+++ b/post_process_dist.sh
@@ -27,7 +27,7 @@ fi
 
 set -ex
 
-LANGUAGES="cpp csharp java javanano js objectivec python ruby php"
+LANGUAGES="cpp csharp java javanano js objectivec python ruby php all"
 BASENAME=`basename $1 .tar.gz`
 VERSION=${BASENAME:9}
 
diff --git a/protoc-artifacts/README.md b/protoc-artifacts/README.md
index 17eb77f8..ba3ca018 100644
--- a/protoc-artifacts/README.md
+++ b/protoc-artifacts/README.md
@@ -68,11 +68,11 @@ configure GPG and Sonatype account.
 You need to perform the deployment for every platform that you want to
 support. DO NOT close the staging repository until you have done the
 deployment for all platforms. Currently the following platforms are supported:
-- Linux (x86_32 and x86_64)
+- Linux (x86_32, x86_64 and cross compiled aarch_64)
 - Windows (x86_32 and x86_64) with
- - Cygwin64 with MinGW compilers (x86_64)
- - MSYS with MinGW32 (x86_32)
- - Cross compile in Linux with MinGW-w64 (x86_32, x86_64)
+  - Cygwin64 with MinGW compilers (x86_64)
+  - MSYS with MinGW32 (x86_32)
+  - Cross compile in Linux with MinGW-w64 (x86_32, x86_64)
 - MacOSX (x86_32 and x86_64)
 
 As for MSYS2/MinGW64 for Windows: protoc will build, but it insists on
@@ -99,6 +99,9 @@ $ mvn clean deploy -P release -Dstaging.repository=comgoogle-123
 A 32-bit artifact can be deployed from a 64-bit host with
 ``-Dos.detected.arch=x86_32``
 
+An arm64 artifact can be deployed from x86 host with
+``-Dos.detected.arch=aarch_64``
+
 A windows artifact can be deployed from a linux machine with
 ``-Dos.detected.name=windows``
 
@@ -174,8 +177,9 @@ stored:
 ### Tested build environments
 We have successfully built artifacts on the following environments:
 - Linux x86_32 and x86_64:
- - Centos 6.6 (within Docker 1.6.1)
- - Ubuntu 14.04.2 64-bit
+  - Centos 6.6 (within Docker 1.6.1)
+  - Ubuntu 14.04.2 64-bit
+- Linux aarch_64: Cross compiled with `g++-aarch64-linux-gnu` on Ubuntu 14.04.2 64-bit
 - Windows x86_32: MSYS with ``mingw32-gcc-g++ 4.8.1-4`` on Windows 7 64-bit
 - Windows x86_32: Cross compile with ``i686-w64-mingw32-g++ 4.8.2`` on Ubuntu 14.04.2 64-bit
 - Windows x86_64: Cygwin64 with ``mingw64-x86_64-gcc-g++ 4.8.3-1`` on Windows 7 64-bit
diff --git a/protoc-artifacts/build-protoc.sh b/protoc-artifacts/build-protoc.sh
index 57523a41..fe1dec24 100755
--- a/protoc-artifacts/build-protoc.sh
+++ b/protoc-artifacts/build-protoc.sh
@@ -6,6 +6,12 @@
 # Usage: build-protoc.sh <OS> <ARCH> <TARGET>
 # <OS> and <ARCH> are ${os.detected.name} and ${os.detected.arch} from os-maven-plugin
 # <TARGET> can be "protoc" or "protoc-gen-javalite"
+#
+# The script now supports cross-compiling windows and linux-arm64 in linux-x86
+# environment. Required packages:
+# - Windows: i686-w64-mingw32-gcc (32bit) and x86_64-w64-mingw32-gcc (64bit)
+# - Arm64: g++-aarch64-linux-gnu
+
 OS=$1
 ARCH=$2
 MAKE_TARGET=$3
@@ -73,6 +79,8 @@ checkArch ()
         assertEq $format "elf32-i386" $LINENO
       elif [[ "$ARCH" == x86_64 ]]; then
         assertEq $format "elf64-x86-64" $LINENO
+      elif [[ "$ARCH" == aarch_64 ]]; then
+        assertEq $format "elf64-little" $LINENO
       else
         fail "Unsupported arch: $ARCH"
       fi
@@ -116,6 +124,9 @@ checkDependencies ()
       white_list="linux-gate\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux\.so\.2"
     elif [[ "$ARCH" == x86_64 ]]; then
       white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-x86-64\.so\.2"
+    elif [[ "$ARCH" == aarch_64 ]]; then
+      dump_cmd='objdump -p '"$1"' | grep NEEDED'
+      white_list="libpthread\.so\.0\|libc\.so\.6\|ld-linux-aarch64\.so\.1"
     fi
   elif [[ "$OS" == osx ]]; then
     dump_cmd='otool -L '"$1"' | fgrep dylib'
@@ -180,6 +191,8 @@ elif [[ "$(uname)" == Linux* ]]; then
       CXXFLAGS="$CXXFLAGS -m64"
     elif [[ "$ARCH" == x86_32 ]]; then
       CXXFLAGS="$CXXFLAGS -m32"
+    elif [[ "$ARCH" == aarch_64 ]]; then
+      CONFIGURE_ARGS="$CONFIGURE_ARGS --host=aarch64-linux-gnu"
     else
       fail "Unsupported arch: $ARCH"
     fi
diff --git a/protoc-artifacts/build-zip.sh b/protoc-artifacts/build-zip.sh
index a124ed7c..f08e2758 100755
--- a/protoc-artifacts/build-zip.sh
+++ b/protoc-artifacts/build-zip.sh
@@ -13,12 +13,13 @@ Example:
 This script will download pre-built protoc or protoc plugin binaries from maven
 repository and create .zip packages suitable to be included in the github
 release page. If the target is protoc, well-known type .proto files will also be
-included. Each invocation will create 5 zip packages:
+included. Each invocation will create 6 zip packages:
   dist/<TARGET>-<VERSION_NUMBER>-win32.zip
   dist/<TARGET>-<VERSION_NUMBER>-osx-x86_32.zip
   dist/<TARGET>-<VERSION_NUMBER>-osx-x86_64.zip
   dist/<TARGET>-<VERSION_NUMBER>-linux-x86_32.zip
   dist/<TARGET>-<VERSION_NUMBER>-linux-x86_64.zip
+  dist/<TARGET>-<VERSION_NUMBER>-linux-aarch_64.zip
 EOF
   exit 1
 fi
@@ -33,6 +34,7 @@ declare -a FILE_NAMES=( \
   osx-x86_64.zip osx-x86_64.exe \
   linux-x86_32.zip linux-x86_32.exe \
   linux-x86_64.zip linux-x86_64.exe \
+  linux-aarch_64.zip linux-aarch_64.exe \
 )
 
 # List of all well-known types to be included.
diff --git a/protoc-artifacts/pom.xml b/protoc-artifacts/pom.xml
index c6f5a77f..742fab93 100644
--- a/protoc-artifacts/pom.xml
+++ b/protoc-artifacts/pom.xml
@@ -10,7 +10,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protoc</artifactId>
-  <version>3.4.1</version>
+  <version>3.5.0</version>
   <packaging>pom</packaging>
   <name>Protobuf Compiler</name>
   <description>
diff --git a/python/MANIFEST.in b/python/MANIFEST.in
index 26088826..5fb01922 100644
--- a/python/MANIFEST.in
+++ b/python/MANIFEST.in
@@ -4,6 +4,9 @@ exclude google/protobuf/internal/*_test.py
 exclude google/protobuf/internal/*.proto
 exclude google/protobuf/internal/test_util.py
 
+recursive-include google *.cc
+recursive-include google *.h
+
 recursive-exclude google *_test.py
 recursive-exclude google *_test.proto
 recursive-exclude google unittest*_pb2.py
diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
index 9f1a4f19..0f4d63b0 100755
--- a/python/google/protobuf/__init__.py
+++ b/python/google/protobuf/__init__.py
@@ -30,7 +30,7 @@
 
 # Copyright 2007 Google Inc. All Rights Reserved.
 
-__version__ = '3.4.1'
+__version__ = '3.5.0.post1'
 
 if __name__ != '__main__':
   try:
diff --git a/python/google/protobuf/internal/well_known_types_test.py b/python/google/protobuf/internal/well_known_types_test.py
index 291fe4e8..573bc37d 100644
--- a/python/google/protobuf/internal/well_known_types_test.py
+++ b/python/google/protobuf/internal/well_known_types_test.py
@@ -101,7 +101,7 @@ class TimeUtilTest(TimeUtilTestBase):
     message.FromJsonString('1970-01-01T00:00:00.1Z')
     self.assertEqual(0, message.seconds)
     self.assertEqual(100000000, message.nanos)
-    # Parsing accpets offsets.
+    # Parsing accepts offsets.
     message.FromJsonString('1970-01-01T00:00:00-08:00')
     self.assertEqual(8 * 3600, message.seconds)
     self.assertEqual(0, message.nanos)
diff --git a/ruby/ext/google/protobuf_c/storage.c b/ruby/ext/google/protobuf_c/storage.c
index 24064dfd..1437c0b5 100644
--- a/ruby/ext/google/protobuf_c/storage.c
+++ b/ruby/ext/google/protobuf_c/storage.c
@@ -606,12 +606,20 @@ static void check_repeated_field_type(VALUE val, const upb_fielddef* field) {
     rb_raise(rb_eTypeError, "Repeated field array has wrong element type");
   }
 
-  if (self->field_type == UPB_TYPE_MESSAGE ||
-      self->field_type == UPB_TYPE_ENUM) {
+  if (self->field_type == UPB_TYPE_MESSAGE) { 
     if (self->field_type_class !=
-        get_def_obj(upb_fielddef_subdef(field))) {
+        Descriptor_msgclass(get_def_obj(upb_fielddef_subdef(field)))) {
       rb_raise(rb_eTypeError,
-               "Repeated field array has wrong message/enum class");
+               "Repeated field array has wrong message class");
+    }
+  }
+
+
+  if (self->field_type == UPB_TYPE_ENUM) {
+    if (self->field_type_class !=
+        EnumDescriptor_enummodule(get_def_obj(upb_fielddef_subdef(field)))) {
+      rb_raise(rb_eTypeError,
+               "Repeated field array has wrong enum class");
     }
   }
 }
diff --git a/ruby/google-protobuf.gemspec b/ruby/google-protobuf.gemspec
index 96606f06..c3963822 100644
--- a/ruby/google-protobuf.gemspec
+++ b/ruby/google-protobuf.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "google-protobuf"
-  s.version     = "3.4.1.1"
+  s.version     = "3.5.0"
   s.licenses    = ["BSD-3-Clause"]
   s.summary     = "Protocol Buffers"
   s.description = "Protocol Buffers are Google's data interchange format."
diff --git a/ruby/tests/repeated_field_test.rb b/ruby/tests/repeated_field_test.rb
index 25727b7b..b64c3991 100644
--- a/ruby/tests/repeated_field_test.rb
+++ b/ruby/tests/repeated_field_test.rb
@@ -126,6 +126,12 @@ class RepeatedFieldTest < Test::Unit::TestCase
     assert_equal false, m.repeated_string.empty?
   end
 
+  def test_reassign
+    m = TestMessage.new
+    m.repeated_msg = Google::Protobuf::RepeatedField.new(:message, TestMessage2, [TestMessage2.new(:foo => 1)])
+    assert_equal m.repeated_msg.first, TestMessage2.new(:foo => 1)
+  end
+
   def test_array_accessor
     m = TestMessage.new
     reference_arr = %w(foo bar baz)
diff --git a/src/Makefile.am b/src/Makefile.am
index 6fc4356f..9bf254cd 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -71,7 +71,6 @@ nobase_include_HEADERS =                                         \
   google/protobuf/stubs/atomicops_internals_arm64_gcc.h          \
   google/protobuf/stubs/atomicops_internals_arm_gcc.h            \
   google/protobuf/stubs/atomicops_internals_arm_qnx.h            \
-  google/protobuf/stubs/atomicops_internals_atomicword_compat.h  \
   google/protobuf/stubs/atomicops_internals_generic_c11_atomic.h \
   google/protobuf/stubs/atomicops_internals_generic_gcc.h        \
   google/protobuf/stubs/atomicops_internals_mips_gcc.h           \
@@ -184,7 +183,7 @@ nobase_include_HEADERS =                                         \
 lib_LTLIBRARIES = libprotobuf-lite.la libprotobuf.la libprotoc.la
 
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_lite_la_LDFLAGS = -version-info 14:0:0 -export-dynamic -no-undefined
+libprotobuf_lite_la_LDFLAGS = -version-info 15:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotobuf_lite_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf-lite.map
 EXTRA_libprotobuf_lite_la_DEPENDENCIES = libprotobuf-lite.map
@@ -234,7 +233,7 @@ libprotobuf_lite_la_SOURCES =                                  \
   google/protobuf/io/zero_copy_stream_impl_lite.cc
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_la_LDFLAGS = -version-info 14:0:0 -export-dynamic -no-undefined
+libprotobuf_la_LDFLAGS = -version-info 15:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotobuf_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf.map
 EXTRA_libprotobuf_la_DEPENDENCIES = libprotobuf.map
@@ -325,7 +324,7 @@ libprotobuf_la_SOURCES =                                       \
 nodist_libprotobuf_la_SOURCES = $(nodist_libprotobuf_lite_la_SOURCES)
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
-libprotoc_la_LDFLAGS = -version-info 14:0:0 -export-dynamic -no-undefined
+libprotoc_la_LDFLAGS = -version-info 15:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotoc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotoc.map
 EXTRA_libprotoc_la_DEPENDENCIES = libprotoc.map
@@ -589,11 +588,8 @@ EXTRA_DIST =                                                   \
   $(js_well_known_types_sources)                               \
   solaris/libstdc++.la                                         \
   google/protobuf/unittest_proto3.proto                        \
-  google/protobuf/unittest_import_public_proto3.proto          \
-  google/protobuf/unittest_import_proto3.proto                 \
   google/protobuf/test_messages_proto3.proto                   \
   google/protobuf/test_messages_proto2.proto                   \
-  google/protobuf/map_unittest_proto3.proto                    \
   google/protobuf/io/gzip_stream.h                             \
   google/protobuf/io/gzip_stream_unittest.sh                   \
   google/protobuf/testdata/golden_message                      \
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index 14134370..673d335a 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index 9e175e3e..ffcba0fd 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/compiler/command_line_interface.cc b/src/google/protobuf/compiler/command_line_interface.cc
index 6c2fc164..1f6d748d 100644
--- a/src/google/protobuf/compiler/command_line_interface.cc
+++ b/src/google/protobuf/compiler/command_line_interface.cc
@@ -100,7 +100,7 @@ namespace compiler {
 #endif
 
 namespace {
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::access;
diff --git a/src/google/protobuf/compiler/command_line_interface_unittest.cc b/src/google/protobuf/compiler/command_line_interface_unittest.cc
index 38d0e388..ef7579a2 100644
--- a/src/google/protobuf/compiler/command_line_interface_unittest.cc
+++ b/src/google/protobuf/compiler/command_line_interface_unittest.cc
@@ -70,7 +70,7 @@ namespace google {
 namespace protobuf {
 namespace compiler {
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::access;
diff --git a/src/google/protobuf/compiler/importer.cc b/src/google/protobuf/compiler/importer.cc
index 9792ffe8..a5341e0d 100644
--- a/src/google/protobuf/compiler/importer.cc
+++ b/src/google/protobuf/compiler/importer.cc
@@ -65,7 +65,7 @@ namespace google {
 namespace protobuf {
 namespace compiler {
 
-#ifdef _MSC_VER
+#ifdef _WIN32
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::access;
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
index 54dc7455..14715ef6 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
@@ -50,11 +50,6 @@
 #include <google/protobuf/stubs/io_win32.h>
 #include <google/protobuf/stubs/strutil.h>
 
-#if defined(_MSC_VER)
-// DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
-// them like we do below.
-using google::protobuf::internal::win32::open;
-#endif
 
 // NOTE: src/google/protobuf/compiler/plugin.cc makes use of cerr for some
 // error cases, so it seems to be ok to use as a back door for errors.
@@ -64,6 +59,16 @@ namespace protobuf {
 namespace compiler {
 namespace objectivec {
 
+// <io.h> is transitively included in this file. Import the functions explicitly
+// in this port namespace to avoid ambiguous definition.
+namespace posix {
+#ifdef _WIN32
+using ::google::protobuf::internal::win32::open;
+#else
+using ::open;
+#endif
+}  // namespace port
+
 Options::Options() {
   // Default is the value of the env for the package prefixes.
   const char* file_path = getenv("GPB_OBJC_EXPECTED_PACKAGE_PREFIXES");
@@ -1469,7 +1474,7 @@ bool ParseSimpleFile(
     const string& path, LineConsumer* line_consumer, string* out_error) {
   int fd;
   do {
-    fd = open(path.c_str(), O_RDONLY);
+    fd = posix::open(path.c_str(), O_RDONLY);
   } while (fd < 0 && errno == EINTR);
   if (fd < 0) {
     *out_error =
diff --git a/src/google/protobuf/compiler/php/php_generator.cc b/src/google/protobuf/compiler/php/php_generator.cc
index e4364ac2..dd4392c2 100644
--- a/src/google/protobuf/compiler/php/php_generator.cc
+++ b/src/google/protobuf/compiler/php/php_generator.cc
@@ -215,19 +215,12 @@ std::string NamespacedName(const string& classname,
 
 template <typename DescriptorType>
 std::string FullClassName(const DescriptorType* desc, bool is_descriptor) {
-  string classname = desc->name();
-  const Descriptor* containing = desc->containing_type();
-  while (containing != NULL) {
-    classname = containing->name() + '_' + classname;
-    containing = containing->containing_type();
-  }
-  classname = ClassNamePrefix(classname, desc) + classname;
+  string classname = GeneratedClassName(desc);
   return NamespacedName(classname, desc, is_descriptor);
 }
 
 std::string FullClassName(const ServiceDescriptor* desc, bool is_descriptor) {
-  string classname = desc->name();
-  classname = ClassNamePrefix(classname, desc) + classname;
+  string classname = GeneratedClassName(desc);
   return NamespacedName(classname, desc, is_descriptor);
 }
 
@@ -1419,6 +1412,31 @@ bool Generator::Generate(const FileDescriptor* file, const string& parameter,
   return true;
 }
 
+std::string GeneratedClassName(const Descriptor* desc) {
+  std::string classname = desc->name();
+  const Descriptor* containing = desc->containing_type();
+  while (containing != NULL) {
+    classname = containing->name() + '_' + classname;
+    containing = containing->containing_type();
+  }
+  return ClassNamePrefix(classname, desc) + classname;
+}
+
+std::string GeneratedClassName(const EnumDescriptor* desc) {
+  std::string classname = desc->name();
+  const Descriptor* containing = desc->containing_type();
+  while (containing != NULL) {
+    classname = containing->name() + '_' + classname;
+    containing = containing->containing_type();
+  }
+  return ClassNamePrefix(classname, desc) + classname;
+}
+
+std::string GeneratedClassName(const ServiceDescriptor* desc) {
+  std::string classname = desc->name();
+  return ClassNamePrefix(classname, desc) + classname;
+}
+
 }  // namespace php
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/src/google/protobuf/compiler/php/php_generator.h b/src/google/protobuf/compiler/php/php_generator.h
index ce2b000a..67e70bc7 100644
--- a/src/google/protobuf/compiler/php/php_generator.h
+++ b/src/google/protobuf/compiler/php/php_generator.h
@@ -32,6 +32,7 @@
 #define GOOGLE_PROTOBUF_COMPILER_PHP_GENERATOR_H__
 
 #include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/descriptor.h>
 
 #include <string>
 
@@ -47,8 +48,16 @@ class LIBPROTOC_EXPORT Generator
       const string& parameter,
       GeneratorContext* generator_context,
       string* error) const;
+
 };
 
+// To skip reserved keywords in php, some generated classname are prefixed.
+// Other code generators may need following API to figure out the actual
+// classname.
+std::string GeneratedClassName(const google::protobuf::Descriptor* desc);
+std::string GeneratedClassName(const google::protobuf::EnumDescriptor* desc);
+std::string GeneratedClassName(const google::protobuf::ServiceDescriptor* desc);
+
 }  // namespace php
 }  // namespace compiler
 }  // namespace protobuf
diff --git a/src/google/protobuf/compiler/plugin.cc b/src/google/protobuf/compiler/plugin.cc
index 7f975510..bde3d798 100644
--- a/src/google/protobuf/compiler/plugin.cc
+++ b/src/google/protobuf/compiler/plugin.cc
@@ -54,7 +54,7 @@ namespace google {
 namespace protobuf {
 namespace compiler {
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::setmode;
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index 617fd799..9618ec00 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/descriptor.pb.h b/src/google/protobuf/descriptor.pb.h
index 2eecfa29..3f964afe 100644
--- a/src/google/protobuf/descriptor.pb.h
+++ b/src/google/protobuf/descriptor.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index 23f7f4bb..bc1a043e 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index 3d44429a..88be1475 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index e94cdd03..76be06a7 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/io/zero_copy_stream_impl.cc b/src/google/protobuf/io/zero_copy_stream_impl.cc
index 83dec3e6..dd921135 100644
--- a/src/google/protobuf/io/zero_copy_stream_impl.cc
+++ b/src/google/protobuf/io/zero_copy_stream_impl.cc
@@ -56,9 +56,6 @@ namespace io {
 // Win32 lseek is broken:  If invoked on a non-seekable file descriptor, its
 // return value is undefined.  We re-define it to always produce an error.
 #define lseek(fd, offset, origin) ((off_t)-1)
-#endif
-
-#ifdef _MSC_VER
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::access;
diff --git a/src/google/protobuf/io/zero_copy_stream_unittest.cc b/src/google/protobuf/io/zero_copy_stream_unittest.cc
index dfc383a3..91792f18 100644
--- a/src/google/protobuf/io/zero_copy_stream_unittest.cc
+++ b/src/google/protobuf/io/zero_copy_stream_unittest.cc
@@ -83,9 +83,6 @@ namespace {
 
 #ifdef _WIN32
 #define pipe(fds) _pipe(fds, 4096, O_BINARY)
-#endif
-
-#ifdef _MSC_VER
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::access;
diff --git a/src/google/protobuf/message_unittest.cc b/src/google/protobuf/message_unittest.cc
index d328f9dd..a27036e7 100644
--- a/src/google/protobuf/message_unittest.cc
+++ b/src/google/protobuf/message_unittest.cc
@@ -63,7 +63,7 @@
 namespace google {
 namespace protobuf {
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::close;
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index 74a41850..9f8255cd 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index 45c168b9..ada1a189 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/stubs/atomicops.h b/src/google/protobuf/stubs/atomicops.h
index 64c838fb..cb4553b1 100644
--- a/src/google/protobuf/stubs/atomicops.h
+++ b/src/google/protobuf/stubs/atomicops.h
@@ -67,15 +67,16 @@ namespace internal {
   typedef intptr_t Atomic32;
   typedef int64 Atomic64;
 #else
-  typedef int32 Atomic32;
   // We need to be able to go between Atomic64 and AtomicWord implicitly.  This
   // means Atomic64 and AtomicWord should be the same type on 64-bit.
   #if defined(__ILP32__) || defined(GOOGLE_PROTOBUF_OS_NACL)
   // NaCl's intptr_t is not actually 64-bits on 64-bit!
   // http://code.google.com/p/nativeclient/issues/detail?id=1162
   // sparcv9's pointer type is 32bits
+  typedef intptr_t Atomic32;
   typedef int64 Atomic64;
   #else
+  typedef int32 Atomic32;
   typedef intptr_t Atomic64;
   #endif
 #endif
@@ -229,12 +230,6 @@ Atomic64 Release_Load(volatile const Atomic64* ptr);
 #error GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 #endif
 
-// On some platforms we need additional declarations to make AtomicWord
-// compatible with our other Atomic* types.
-#if defined(GOOGLE_PROTOBUF_OS_APPLE)
-#include <google/protobuf/stubs/atomicops_internals_atomicword_compat.h>
-#endif
-
 #undef GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 
 #endif  // GOOGLE_PROTOBUF_NO_THREAD_SAFETY
diff --git a/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h b/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
deleted file mode 100644
index eb198ff5..00000000
--- a/src/google/protobuf/stubs/atomicops_internals_atomicword_compat.h
+++ /dev/null
@@ -1,122 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2012 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This file is an internal atomic implementation, use atomicops.h instead.
-
-#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
-#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
-
-// AtomicWord is a synonym for intptr_t, and Atomic32 is a synonym for int32,
-// which in turn means int. On some LP32 platforms, intptr_t is an int, but
-// on others, it's a long. When AtomicWord and Atomic32 are based on different
-// fundamental types, their pointers are incompatible.
-//
-// This file defines function overloads to allow both AtomicWord and Atomic32
-// data to be used with this interface.
-//
-// On LP64 platforms, AtomicWord and Atomic64 are both always long,
-// so this problem doesn't occur.
-
-#if !defined(GOOGLE_PROTOBUF_ARCH_64_BIT)
-
-namespace google {
-namespace protobuf {
-namespace internal {
-
-inline AtomicWord NoBarrier_CompareAndSwap(volatile AtomicWord* ptr,
-                                           AtomicWord old_value,
-                                           AtomicWord new_value) {
-  return NoBarrier_CompareAndSwap(
-      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
-}
-
-inline AtomicWord NoBarrier_AtomicExchange(volatile AtomicWord* ptr,
-                                           AtomicWord new_value) {
-  return NoBarrier_AtomicExchange(
-      reinterpret_cast<volatile Atomic32*>(ptr), new_value);
-}
-
-inline AtomicWord NoBarrier_AtomicIncrement(volatile AtomicWord* ptr,
-                                            AtomicWord increment) {
-  return NoBarrier_AtomicIncrement(
-      reinterpret_cast<volatile Atomic32*>(ptr), increment);
-}
-
-inline AtomicWord Barrier_AtomicIncrement(volatile AtomicWord* ptr,
-                                          AtomicWord increment) {
-  return Barrier_AtomicIncrement(
-      reinterpret_cast<volatile Atomic32*>(ptr), increment);
-}
-
-inline AtomicWord Acquire_CompareAndSwap(volatile AtomicWord* ptr,
-                                         AtomicWord old_value,
-                                         AtomicWord new_value) {
-  return Acquire_CompareAndSwap(
-      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
-}
-
-inline AtomicWord Release_CompareAndSwap(volatile AtomicWord* ptr,
-                                         AtomicWord old_value,
-                                         AtomicWord new_value) {
-  return Release_CompareAndSwap(
-      reinterpret_cast<volatile Atomic32*>(ptr), old_value, new_value);
-}
-
-inline void NoBarrier_Store(volatile AtomicWord *ptr, AtomicWord value) {
-  NoBarrier_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
-}
-
-inline void Acquire_Store(volatile AtomicWord* ptr, AtomicWord value) {
-  return Acquire_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
-}
-
-inline void Release_Store(volatile AtomicWord* ptr, AtomicWord value) {
-  return Release_Store(reinterpret_cast<volatile Atomic32*>(ptr), value);
-}
-
-inline AtomicWord NoBarrier_Load(volatile const AtomicWord *ptr) {
-  return NoBarrier_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
-}
-
-inline AtomicWord Acquire_Load(volatile const AtomicWord* ptr) {
-  return Acquire_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
-}
-
-inline AtomicWord Release_Load(volatile const AtomicWord* ptr) {
-  return Release_Load(reinterpret_cast<volatile const Atomic32*>(ptr));
-}
-
-}   // namespace internal
-}   // namespace protobuf
-}   // namespace google
-
-#endif  // !defined(GOOGLE_PROTOBUF_ARCH_64_BIT)
-
-#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_ATOMICWORD_COMPAT_H_
diff --git a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
index 0b0b06ce..075c406a 100644
--- a/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
+++ b/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
@@ -146,6 +146,14 @@ inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
   return __atomic_load_n(ptr, __ATOMIC_RELAXED);
 }
 
+inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
+                                       Atomic64 old_value,
+                                       Atomic64 new_value) {
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
+                              __ATOMIC_RELEASE, __ATOMIC_ACQUIRE);
+  return old_value;
+}
+
 #endif // defined(__LP64__)
 
 }  // namespace internal
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index ff363482..79bb2396 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -101,27 +101,27 @@ namespace internal {
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 3004000
+#define GOOGLE_PROTOBUF_VERSION 3005000
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
 #define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3004000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3005000
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 3004000;
+static const int kMinHeaderVersionForLibrary = 3005000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3004000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3005000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 3004000;
+static const int kMinHeaderVersionForProtoc = 3005000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.
diff --git a/src/google/protobuf/stubs/io_win32.cc b/src/google/protobuf/stubs/io_win32.cc
index 7e1cf785..fa2cb8b1 100644
--- a/src/google/protobuf/stubs/io_win32.cc
+++ b/src/google/protobuf/stubs/io_win32.cc
@@ -39,7 +39,7 @@
 //
 // This file is only used on Windows, it's empty on other platforms.
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 
 // Comment this out to fall back to using the ANSI versions (open, mkdir, ...)
 // instead of the Unicode ones (_wopen, _wmkdir, ...). Doing so can be useful to
@@ -358,5 +358,5 @@ wstring testonly_path_to_winpath(const string& path) {
 }  // namespace protobuf
 }  // namespace google
 
-#endif  // defined(_MSC_VER)
+#endif  // defined(_WIN32)
 
diff --git a/src/google/protobuf/stubs/io_win32.h b/src/google/protobuf/stubs/io_win32.h
index a20e64c7..53160089 100644
--- a/src/google/protobuf/stubs/io_win32.h
+++ b/src/google/protobuf/stubs/io_win32.h
@@ -52,7 +52,6 @@
 
 // Compilers on Windows other than MSVC (e.g. Cygwin, MinGW32) define the
 // following functions already, except for mkdir.
-#ifdef _MSC_VER
 namespace google {
 namespace protobuf {
 namespace internal {
@@ -77,9 +76,6 @@ LIBPROTOBUF_EXPORT std::wstring testonly_path_to_winpath(
 }  // namespace internal
 }  // namespace protobuf
 }  // namespace google
-#else  // _MSC_VER
-#define mkdir(name, mode) mkdir(name)
-#endif // !_MSC_VER
 
 #ifndef W_OK
 #define W_OK 02  // not defined by MSVC for whatever reason
@@ -100,5 +96,3 @@ LIBPROTOBUF_EXPORT std::wstring testonly_path_to_winpath(
 #endif  // defined(_WIN32)
 
 #endif  // GOOGLE_PROTOBUF_STUBS_IO_WIN32_H__
-
-
diff --git a/src/google/protobuf/stubs/io_win32_unittest.cc b/src/google/protobuf/stubs/io_win32_unittest.cc
index 288f27ab..ce6f7162 100644
--- a/src/google/protobuf/stubs/io_win32_unittest.cc
+++ b/src/google/protobuf/stubs/io_win32_unittest.cc
@@ -34,7 +34,7 @@
 //
 // This file is only used on Windows, it's empty on other platforms.
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 
 #define WIN32_LEAN_AND_MEAN
 #include <errno.h>
@@ -369,5 +369,5 @@ TEST_F(IoWin32Test, AsWindowsPathTest) {
 }  // namespace protobuf
 }  // namespace google
 
-#endif  // defined(_MSC_VER)
+#endif  // defined(_WIN32)
 
diff --git a/src/google/protobuf/testing/file.cc b/src/google/protobuf/testing/file.cc
index f68aba9a..26cb0a67 100644
--- a/src/google/protobuf/testing/file.cc
+++ b/src/google/protobuf/testing/file.cc
@@ -57,7 +57,7 @@ namespace protobuf {
 // them like we do below.
 #endif
 
-#ifdef _MSC_VER
+#ifdef _WIN32
 using google::protobuf::internal::win32::access;
 using google::protobuf::internal::win32::chdir;
 using google::protobuf::internal::win32::fopen;
diff --git a/src/google/protobuf/testing/googletest.cc b/src/google/protobuf/testing/googletest.cc
index 91f0ef89..c329b6c1 100644
--- a/src/google/protobuf/testing/googletest.cc
+++ b/src/google/protobuf/testing/googletest.cc
@@ -52,7 +52,7 @@
 namespace google {
 namespace protobuf {
 
-#ifdef _MSC_VER
+#ifdef _WIN32
 // DO NOT include <io.h>, instead create functions in io_win32.{h,cc} and import
 // them like we do below.
 using google::protobuf::internal::win32::close;
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index b4dbb379..31936ff2 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index 9d19d39f..7a2135c4 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index 4d7efec1..18c7a2cd 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3004000
+#if GOOGLE_PROTOBUF_VERSION < 3005000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3004000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/tests.sh b/tests.sh
index 6733e835..50c45fa9 100755
--- a/tests.sh
+++ b/tests.sh
@@ -87,9 +87,7 @@ build_cpp_distcheck() {
 }
 
 build_csharp() {
-  # Just for the conformance tests. We don't currently
-  # need to really build protoc, but it's simplest to keep with the
-  # conventions of the other builds.
+  # Required for conformance tests and to regenerate protos.
   internal_build_cpp
   NUGET=/usr/local/bin/nuget.exe
 
@@ -104,6 +102,10 @@ build_csharp() {
   (cd dotnettmp; dotnet new > /dev/null)
   rm -rf dotnettmp
 
+  # Check that the protos haven't broken C# codegen.
+  # TODO(jonskeet): Fail if regenerating creates any changes.
+  csharp/generate_protos.sh
+  
   csharp/buildall.sh
   cd conformance && make test_csharp && cd ..
author	Adam Cozzette <acozzette@google.com>	2017-12-01 10:05:19 -0800
committer	Adam Cozzette <acozzette@google.com>	2017-12-01 10:05:19 -0800
commit	0ba8eea655a5e40d19ab95c773192b5d908c5a61 (patch)
tree	4c2c97ade1ab197d361c146bacae5adde55986bf
parent	92a7e778e7394386f413cec28d67a07630f784b1 (diff)
parent	a711e3d5b4ee1dd7f9d21197dca8432a5819a64e (diff)