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# Unreleased
+- [feature] Added FieldValue.arrayUnion() and FieldValue.arrayRemove() methods
+ which can be used inside setData() or updateData() calls to atomically add
+ or remove specific elements to an array field in a document without using a
+ transaction.
- [changed] Replaced the `DocumentListenOptions` object with a simple boolean.
Instead of calling
`addSnapshotListener(options: DocumentListenOptions.includeMetadataChanges(true))`