# C++ Upgrade Tools Abseil may occassionally release API-breaking changes. As noted in our [Compatibility Guidelines][compatibility-guide], we will aim to provide a tool to do the work of effecting such API-breaking changes, when absolutely necessary. These tools will be listed on the [C++ Upgrade Tools][upgrade-tools] guide on https://abseil.io. For more information, the [C++ Automated Upgrade Guide][api-upgrades-guide] outlines this process. [compatibility-guide]: https://abseil.io/about/compatibility [api-upgrades-guide]: https://abseil.io/docs/cpp/tools/api-upgrades [upgrade-tools]: https://abseil.io/docs/cpp/tools/upgrades/