Bump protobuf from 32.0 to 35.0-rc2

[dependabot]

Bumps protobuf from 32.0 to 35.0-rc2.

Release notes

Sourced from protobuf's releases.

Protocol Buffers v35.0-rc2

Announcements

• Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Bazel

• Bazel 9 Support: Upgrade tests to Bazel 9 (protocolbuffers/protobuf@3ee8d8a)

C++

• Workaround for attribute handling bug in gcc < 13 (protocolbuffers/protobuf@78dc67e)

UPB (Python/PHP/Ruby C-Extension)

• Fixed two GCC-only issues around upb's generated extension registry. (protocolbuffers/protobuf@5eca43d)
• Avoid theoretical overflow of uintptr_t in AddAllLinkedExtensions (protocolbuffers/protobuf@e7785e0)

Protocol Buffers v35.0-rc1

Announcements

• This version includes potential breaking changes without a major version bump to: Bazel.
  • [Bazel] Change @protobuf//bazel/flags:prefer_prebuilt_proto flag to True. (protocolbuffers/protobuf@f9f32d2)
• Protobuf News may include additional announcements or pre-announcements for upcoming changes.

Bazel

• Moved protocopt flag out of the cc dir, since it is not a c++-specific flag. (protocolbuffers/protobuf@325d8dc)
• Add support for bazel 9.x (#26201) (protocolbuffers/protobuf@f08d703)
• Breaking change: Change @protobuf//bazel/flags:prefer_prebuilt_proto flag to True. (protocolbuffers/protobuf@f9f32d2)
• Dropped support for Bazel 7. (protocolbuffers/protobuf@1816758)

Compiler

• Implement the Edition 2026 naming style enforcement feature. This will help prevent field name collisions. (protocolbuffers/protobuf@ae0d964)
• Add enum to enforce_naming_style feature to avoid field naming collisions which will be implemented in Edition 2026. (protocolbuffers/protobuf@e4911a1)
• Fail writing files in protoc CLI if any file output path is relative. (protocolbuffers/protobuf@3bf2b07)
• Mangle types named XyzView if there is any direct sibling named Xyz (protocolbuffers/protobuf@63d6ef0)
• Improve the namespacing selected by rustc used for gencode types in errors. (protocolbuffers/protobuf@ce2eb73)
• Fully qualify scalar types in Kotlin/Native proto generator. (protocolbuffers/protobuf@adc8d22)
• Change _opt() accessors to return an std::Option instead of protobuf::Optional (protocolbuffers/protobuf@6ced612)
• Make Message's trait bounds much better for generic use (protocolbuffers/protobuf@be1292f)
• Support more chars in type URLs in the C++ text-format parser. (protocolbuffers/protobuf@3a87c6c)
• Validate Feature Support on Custom Options (protocolbuffers/protobuf@34c1110)
• Trait clarity effort: introduce Singular trait, for types which are allowed as simple fields (protocolbuffers/protobuf@cdbfaf1)
• Trait clarity improvement on Map traits (protocolbuffers/protobuf@a8daa95)

C++

• Implement the Edition 2026 naming style enforcement feature. This will help prevent field name collisions. (protocolbuffers/protobuf@ae0d964)
• Add enum to enforce_naming_style feature to avoid field naming collisions which will be implemented in Edition 2026. (protocolbuffers/protobuf@e4911a1)
• Enhance ParseInfoTree to provide location of names and values. (protocolbuffers/protobuf@1cb4fdb)
• Add integer overflow check to RepeatedPtrField::MergeFrom. (protocolbuffers/protobuf@cb5fe97)
• Adding sanity check for ListFields reflection call (protocolbuffers/protobuf@555360e)
• Introduce Arena::UniquePtr and Arena::Ptr as smart pointers to better manage (protocolbuffers/protobuf@bb00218)
• Bug fix for edition 2024 visibility checking. Visibility checking was not properly applied to service method input and output types. This is now applied properly and will error if method input/output types do not have visibility to those messages. (protocolbuffers/protobuf@5a56dee)

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Commits

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