[9.0.0] Make --incompatible_enable_proto_toolchain_resolution default to true in Bazel#28182
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iancha1992 merged 1 commit intorelease-9.0.0from Jan 8, 2026
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… in Bazel. This change updates the default value of the --incompatible_enable_proto_toolchain_resolution flag to true for Bazel builds. The flag's default value and name are now defined in FlagConstants, with different values for the open-source and internal versions. PiperOrigin-RevId: 844684939 Change-Id: I264db1921e52e885d1e211f2a627d42ce380bd41
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This pull request updates the default value of the --incompatible_enable_proto_toolchain_resolution flag to true. The change is implemented by centralizing the flag's default value and name in FlagConstants, which is a good practice for managing flags that may have different defaults in different environments. The related test StarlarkJavaLiteProtoLibraryTest is correctly updated to explicitly set the old flag value to maintain its behavior. The changes are clean, correct, and follow existing patterns in the codebase. I have no further comments.
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This change updates the default value of the --incompatible_enable_proto_toolchain_resolution flag to true for Bazel builds.
This is essentially an internal flag flip, coordinated with the protobuf upgrade in Bazel 9. Users are not expected to have to perform any migration.