chore(deps): update protobuf to v29 (major)

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
com_google_protobuf	http_archive	major	v28.2 -> v29.0-rc1
protobuf	bazel_dep	major	28.2 -> 29.0-rc1
protocolbuffers/protobuf		major	v28.2 -> v29.0-rc1

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Release Notes

protocolbuffers/protobuf (com_google_protobuf)

v29.0-rc1: Protocol Buffers v29.0-rc1

Compare Source

Announcements

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

Bazel

• Support --incompatible_enable_proto_toolchain_resolution (protocolbuffers/protobuf@372ddb3)
• Move ProtoInfo and ProtoLangToolchainInfo from Bazel (protocolbuffers/protobuf@426ca8a)
• Move java_{lite_}proto_library from Bazel repository (protocolbuffers/protobuf@d77bdac)
• Move proto_toolchain from rules_proto to protobuf (protocolbuffers/protobuf@9f9cb7a)
• Move proto_library from Bazel repository (protocolbuffers/protobuf@3ff2cf0)
• Move proto_common implementation from Bazel binary (protocolbuffers/protobuf@b19fbe6)

Compiler

• Introduce lifetimes for individual feature values. (protocolbuffers/protobuf@0b6e768)
• Windows - Fix handling of utf8 command line arguments (#​17854) (protocolbuffers/protobuf@b9d1800)
• Limit feature deprecation warnings to reduce noise. (protocolbuffers/protobuf@5cd9a46)

C++

• Fix C++ ifndef_guard printer to also convert "-" to "_". (protocolbuffers/protobuf@7331b77)
• Fix C++ codegen namespace printer to print closing namespaces in reverse order. (protocolbuffers/protobuf@3bf9c40)
• Fix raw_ptr.cc on exotic architectures (#​18193) (protocolbuffers/protobuf@63f6262)
• Fix cord handling in DynamicMessage and oneofs. (protocolbuffers/protobuf@9e8b30c)
• Fix packed reflection handling bug in edition 2023. (protocolbuffers/protobuf@4c92328)
• Add JsonStreamToMessage method (protocolbuffers/protobuf@0259cc3)
• Introduce lifetimes for individual feature values. (protocolbuffers/protobuf@0b6e768)
• Insert software prefetches into merge functions. This improves performance when hardware prefetchers are disabled on AMD machines. (protocolbuffers/protobuf@d993365)
• Insert software prefetches into proto parsing functions. This improves performance when hardware prefetchers are disabled on AMD platforms. (protocolbuffers/protobuf@8aa0add)
• Add prefetching of subsequent extensions in ExtensionSet::ForEach. (protocolbuffers/protobuf@9b019ee)
• Remove the AnyMetadata class and use free functions instead. (protocolbuffers/protobuf@920d5c3)
• Add [[deprecated]] attribute when generating enums and classes. (protocolbuffers/protobuf@23aada2)
• Use linear search instead of binary search in flat mode of ExtensionSet. (protocolbuffers/protobuf@0ed61f0)
• Prepare MessageLite::GetTypeName to be upgraded to return (protocolbuffers/protobuf@30a8ef5)
• Limit feature deprecation warnings to reduce noise. (protocolbuffers/protobuf@5cd9a46)
• Add Compiler Condition to use inline assembly optimizations with ARM64 for Compatibility with MSVC (#​17671) (protocolbuffers/protobuf@c5f6231)
• Enable small object optimization (SOO) for RepeatedField in order to reduce data indirections. (protocolbuffers/protobuf@e2525e6)
• Return backing array memory to arena in ExtensionSet. (protocolbuffers/protobuf@5ac8ee1)
• In edition 2024, Enum_Name(value) functions return absl::string_view by default. (protocolbuffers/protobuf@e3fa6aa)
• Add Prefetchers to Proto Copy Construct to help address load misses (protocolbuffers/protobuf@cdb7238)
• Reduced nesting in GenerateByteSize: slight readability improvements in generated code. (protocolbuffers/protobuf@162a740)
• Introduce FieldDescriptor::cpp_string_type() API to replace direct ctype inspection which will be removed in the next breaking change (protocolbuffers/protobuf@d0e49df)
• Update the comment of TextFormat::Printer::RegisterMessagePrinter that the method takes ownerhip of the printer pointer. (protocolbuffers/protobuf@d911161)
• Prepare the code for migrating return types from const std::string& to (protocolbuffers/protobuf@e13b8e9)

Java

• Speed up CodedOutputStream by extracting rarely-executed string formatting code (protocolbuffers/protobuf@f8f5136)
• Return constant Value objects for true, false, and "" (protocolbuffers/protobuf@4fbb0c5)
• Optimise CodedOutputStream.ArrayEncoder.writeFixed32NoTag/writeFixed64NoTag (protocolbuffers/protobuf@a51f98c)
• CodedOutputStream: avoid updating position to go beyond end of array. (protocolbuffers/protobuf@76ab5f2)
• Convert IndexOutOfBoundsException to OutOfSpaceException in UnsafeDirectNioEncoder (protocolbuffers/protobuf@0e75d92)
• Suppress ReturnValueIgnored errorprone issues (protocolbuffers/protobuf@bbbc7b9)
• Fix packed reflection handling bug in edition 2023. (protocolbuffers/protobuf@4c92328)
• Move cc_proto_library from Bazel repository (protocolbuffers/protobuf@5254448)
• Protobuf Lite ArrayLists: Defer allocating backing array until we have some idea how much to allocate. (protocolbuffers/protobuf@05a8a40)
• Allocate correct-sized array when parsing packed fixed-width primitives (protocolbuffers/protobuf@4e8469c)
• Bugfix: Make extensions beyond n=16 immutable. (protocolbuffers/protobuf@ee419f2)
• Reserve capacity in ProtobufArrayList when calling Builder.addAllRepeatedMessage(Collection) (protocolbuffers/protobuf@e3cc31a)
• Avoid allocating iterators when calling Message.Builder.addAllFoo(RandomAccess List) (protocolbuffers/protobuf@bd1887e)
• Remove the AnyMetadata class and use free functions instead. (protocolbuffers/protobuf@920d5c3)
• Add [[deprecated]] attribute when generating enums and classes. (protocolbuffers/protobuf@23aada2)
• Binary compatibility shims for GeneratedMessageV3, SingleFieldBuilderV3, RepeatedFieldBuilderV3, and their nested classes to restore binary compatibility with <=v3.x.x generated code built against v3.x.x prior to v4.26.0 breaking release. (protocolbuffers/protobuf@df8a11e)
• Implement a mechanism to control the output format of Message.toString within a Runnable instance. (protocolbuffers/protobuf@737803e)
• Fix TextFormat.Parser to appropriately handle unknown values for open enums (protocolbuffers/protobuf@df1aad4)
• Inline ArrayList's array into SmallSortedMap (protocolbuffers/protobuf@910f627)
• Deprecated unused/obsolete mutable APIs, to be removed in next breaking change. (protocolbuffers/protobuf@e889b0b)

Kotlin

• Support building //java with bzlmod (protocolbuffers/protobuf@507ba36)
• Replace deprecated use of toBytes() with Character property .code (#​18236) (protocolbuffers/protobuf@5d9deab)

Objective-C

• [ObjC] Make debug runtime tell developers to update their generated code. (protocolbuffers/protobuf@cdd3cf7)
• [ObjC] Issue stderr warnings for deprecated generation options. (protocolbuffers/protobuf@e9140a1)
• [ObjC] Deprecate GPBUnknownFieldSet and related apis. (protocolbuffers/protobuf@d794139)
• [ObjC] Deprecate GPBTextFormatForUnknownFieldSet(). (protocolbuffers/protobuf@55e997e)

Python

• Fix cord handling in DynamicMessage and oneofs. (protocolbuffers/protobuf@9e8b30c)
• Fix packed reflection handling bug in edition 2023. (protocolbuffers/protobuf@4c92328)
• Fix ContainerBase::DeepCopy to not modify the source object. (protocolbuffers/protobuf@9fa1f4f)
• Introduce lifetimes for individual feature values. (protocolbuffers/protobuf@0b6e768)
• Nextgen Proto Pythonic API: Add any.py (protocolbuffers/protobuf@dd95e5b)
• Add test that tries to parse a JSON string that exceeds the recursion limit. (protocolbuffers/protobuf@5a22455)
• Raise warnings for deprecated python cpp extension GetDebugString(). (protocolbuffers/protobuf@b70c4b0)
• Nextgen Proto Pythonic API: Add duration.py (protocolbuffers/protobuf@903c3f1)
• Nextgen Proto Pythonic API: Add timestamp.py (protocolbuffers/protobuf@ee26f27)
• -Remove service.py usages in builder (protocolbuffers/protobuf@2967c52)
• Raise warnings for deprecated google/protobuf/reflection.py APIs. (protocolbuffers/protobuf@55705f8)

PHP

• Fix: do not throw deprecated warning on field getters for default values (#​17788) (protocolbuffers/protobuf@6d84da5)

Ruby

• Remove codes for unsupported Ruby (#​17353) (protocolbuffers/protobuf@184f3a3)
• [Ruby] Warn if assigning a "UTF-8" string with invalid UTF-8. (#​17253) (protocolbuffers/protobuf@b07e4b1)

Ruby C-Extension

• Fix a potential Ruby-upb use of uninitialized memory. (protocolbuffers/protobuf@4d75c82)
• [Ruby] Warn if assigning a "UTF-8" string with invalid UTF-8. (#​17253) (protocolbuffers/protobuf@b07e4b1)
• See also UPB changes below, which may affect Ruby C-Extension.

UPB (Python/PHP/Ruby C-Extension)

• Fix a potential Ruby-upb use of uninitialized memory. (protocolbuffers/protobuf@4d75c82)
• Fixed NAN/INFINITY definitions to work on Windows 11 SDK. (protocolbuffers/protobuf@0309d86)

Other

• Docs: add nebius.ai custom options to registry (#​18297) (protocolbuffers/protobuf@e5d2dbd)
• Protobuf-mode: add edition keyword for syntax highlighting (protocolbuffers/protobuf@1384512)

v29-dev

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This change is 

[dpebot]

/gcbrun

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.42%. Comparing base (8726a7f) to head (2ab5124).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14747      +/-   ##
==========================================
- Coverage   93.42%   93.42%   -0.01%     
==========================================
  Files        2314     2314              
  Lines      207582   207582              
==========================================
- Hits       193939   193938       -1     
- Misses      13643    13644       +1     

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[dpebot]

/gcbrun