Update dependency com_google_protobuf to v31

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
com_google_protobuf	http_archive	major	v28.3 -> v31.1

---

Release Notes

protocolbuffers/protobuf (com_google_protobuf)

v31.1: Protocol Buffers v31.1

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Announcements

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

Compiler

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

C++

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

Java

• Add missing copts attribute (#​21982) (protocolbuffers/protobuf@bec5b5a)
• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)

Python

• Support allowing late injection of language feature set defaults from FeatureSet extensions while getting feature set extension values. (protocolbuffers/protobuf@3419598)
• Python pyi print "import datetime" for Duration/Timestamp field (#​21885) (protocolbuffers/protobuf@0fe099a)
• Add recursion depth limits to pure python (protocolbuffers/protobuf@a3921fb)

Other

• Fix cmake staleness test (protocolbuffers/protobuf@96a9ef6)

v31.0: Protocol Buffers v31.0

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Announcements

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

Bazel

• Loosen py_proto_library check to be on the import path instead of full directory (i.e. excluding external/module-name prefix). (protocolbuffers/protobuf@a4be867)

Compiler

• Add support for import option for protoc.(protocolbuffers/protobuf@9901db6)
• Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (protocolbuffers/protobuf@7a26486)
• Move upb minitable code generator into protoc (protocolbuffers/protobuf@dce6b0f)
• Upgrade abseil-cpp to 2025012 and use @​com_google_absl -> @​abseil-cpp and com_google_googletest -> @​googletest canonical BCR names. (protocolbuffers/protobuf@ba6b54d)

C++

• Remove fast-path check for non-clang compilers in MessageCreator. (protocolbuffers/protobuf@aa5410d)
• Add missing include. (protocolbuffers/protobuf@d390631)
• Add weak attribute to GetClassData to speed up clang builds. (protocolbuffers/protobuf@d896480)
• Add nontemporal software prefetcher to repeated ptr field dtor to improve performance. (protocolbuffers/protobuf@73f3469)
• Warn on unused RepeatedPtrField. (protocolbuffers/protobuf@683e9d2)
• Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (protocolbuffers/protobuf@7a26486)
• Fix a bug in handling of implicit-presence string_view fields. (protocolbuffers/protobuf@bd70a7c)
• Control bounds checks via BUILD flags. (protocolbuffers/protobuf@d21e8ef)
• Upgrade abseil-cpp to 2025012 and use @​com_google_absl -> @​abseil-cpp and com_google_googletest -> @​googletest canonical BCR names. (protocolbuffers/protobuf@ba6b54d)
• Create hardened versions of Get and Mutable for repeated_field. (protocolbuffers/protobuf@ffade4a)

Java

• Add weak attribute to GetClassData to speed up clang builds. (protocolbuffers/protobuf@d896480)
• Use ProtobufToStringOutput to control the output format of AbstractMessage.Builder.toString. (protocolbuffers/protobuf@f5cb162)
• Implement Protobuf Java Immutable API nest_in_file_class feature for Edition 2024. (protocolbuffers/protobuf@0416c3e)
• Introduce a Generated annotation to eventually replace javax.annotation.Generated (protocolbuffers/protobuf@31e57fc)
• Add volatile to featuresResolved (protocolbuffers/protobuf@9e03ca5)
• Fix Java concurrency issue in feature resolution for old <=3.25.x gencode using lazy feature resolution. (protocolbuffers/protobuf@fafb0fd)
• Remove Java runtime classes from kotlin release. (protocolbuffers/protobuf@079be27)
• Split maven dependencies into dev vs local (#​20549) (protocolbuffers/protobuf@e045fc6)
• Improve error messaging when detecting and erroring out on integer overflow of byte count limit variables. (protocolbuffers/protobuf@097fdb8)

Kotlin

• Remove Java runtime classes from kotlin release. (protocolbuffers/protobuf@079be27)

Csharp

• Remove "experimental API" warnings from members in the .NET protobuf runtime. (protocolbuffers/protobuf@afea52f)
• Improve performace of repeated packed fixedSize fields (#​19667) (protocolbuffers/protobuf@85507b9)

Objective-C

• [ObjC] Deprecate GPBFieldDescriptor.isOptional. (protocolbuffers/protobuf@86ab252)
• [ObjC] Raise the library version and enable new generated code. (protocolbuffers/protobuf@a639cf8)

Rust

• Cherry-pick Rust fix to 31.x (#​21617) (protocolbuffers/protobuf@01b42bb)
• Add upb_Map_GetMutable API to upb (protocolbuffers/protobuf@dd5bf5e)
• See also UPB changes below, which may affect Rust.

Python

• Update GetCurrentTime to use datetime.datetime.now (protocolbuffers/protobuf@01b154c)
• Make Py JSON float_precision apply to both float and double fields. (protocolbuffers/protobuf@5b54ee3)
• -Add '+' and '-' annotations for Timestamp and Duration in Python (protocolbuffers/protobuf@fff783e)
• Bug fix for FieldMask.MergeFrom() with unset fields. (protocolbuffers/protobuf@1c87ac3)
• Make python text_format able to skip unknown fields for repeated messages (protocolbuffers/protobuf@dcafca2)
• Fix segment fault for UPB Pyhon 'in' method of empty repeated extensions (protocolbuffers/protobuf@da04261)
• Fix upb to escape DefinitelyNeedsEscape (like " and ') for bytes field (protocolbuffers/protobuf@b234305)
• Check with fallback descriptorDB for FindExtensionByNumber()/FindAllExtensions in UPB python pool. (protocolbuffers/protobuf@9fd28d9)
• Add clear() method to repeated fields in Python. (protocolbuffers/protobuf@0324f39)
• Register Scalar/MessageMapContainerTypes as virtual subclasses of (protocolbuffers/protobuf@9a0b591)
• Fix python codegen crash when C++ features are used. (protocolbuffers/protobuf@308aaf4)
• Add more detail to the comment for GetMessageClassesForFiles (protocolbuffers/protobuf@9befb58)
• Add constructing unpack routine to Python Protobuf Any API. (protocolbuffers/protobuf@fb78c09)
• Implement typing for proto Timestamp/Duration assignments. (protocolbuffers/protobuf@0e3326b)

PHP

• Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (protocolbuffers/protobuf@d82de8f)
• Feat(php): improve return typehint when repeatedfield (#​11734) (protocolbuffers/protobuf@e04fe69)

PHP C-Extension

• Automated rollback of commit f9863df. (#​21355) (protocolbuffers/protobuf@a59988c)
• Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (protocolbuffers/protobuf@d82de8f)
• Ruby: Allow to get a file descriptor by a file name (#​20287) (protocolbuffers/protobuf@c398592)
• Feat(php): improve return typehint when repeatedfield (#​11734) (protocolbuffers/protobuf@e04fe69)
• See also UPB changes below, which may affect PHP C-Extension.

Ruby

• Fix silent failure of rb_test rules to run test (#​21733) (protocolbuffers/protobuf@0cf5489)
• Ruby | Add support for a protobuf debug build (#​21060) (protocolbuffers/protobuf@59e1f0f)
• Ruby | Support installing the gem via git and some other small build tweaks (#​21061) (protocolbuffers/protobuf@d3560e7)
• Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (protocolbuffers/protobuf@d82de8f)
• [Ruby]Implement #to_hash for message classes (#​20866) (protocolbuffers/protobuf@5596f6d)
• Drop Ruby 3.0 (protocolbuffers/protobuf@5de7c80)
• Fixes #​18726 by backslash escaping descriptor data containing # if the hashmark appears immediately before any of $, {, or @. (protocolbuffers/protobuf@fffa3da)
• Ruby: Allow to get a file descriptor by a file name (#​20287) (protocolbuffers/protobuf@c398592)
• Ruby: fix bug in Map.hash (protocolbuffers/protobuf@b968d0d)

Ruby C-Extension

• Ruby | Add support for a protobuf debug build (#​21060) (protocolbuffers/protobuf@59e1f0f)
• Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (protocolbuffers/protobuf@d82de8f)
• Ruby: Allow to get a file descriptor by a file name (#​20287) (protocolbuffers/protobuf@c398592)
• Ruby: fix bug in Map.hash (protocolbuffers/protobuf@b968d0d)
• See also UPB changes below, which may affect Ruby C-Extension.

UPB (Python/PHP/Ruby C-Extension)

• Fixed LTO-only linker error in upb linker arrays. (protocolbuffers/protobuf@3434a21)
• Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (protocolbuffers/protobuf@d82de8f)
• Add upb_Map_GetMutable API to upb (protocolbuffers/protobuf@dd5bf5e)
• Fix upb to escape DefinitelyNeedsEscape (like " and ') for bytes field (protocolbuffers/protobuf@b234305)
• Upb: delete functions in map_gencode_util. They're unused after the Map iterator API change. (protocolbuffers/protobuf@f398807)
• Upb: Update _upb_map_next signature to return a boolean and remove the _nextmutable Map iterator API. (protocolbuffers/protobuf@e4cdf44)
• Change upb C generated map iteration function to not hand out MapEntry pointers. (protocolbuffers/protobuf@3a3d697)
• Ruby: Allow to get a file descriptor by a file name (#​20287) (protocolbuffers/protobuf@c398592)
• Expose the upb_ByteSize function to upb clients. Note that the current naive implementation is no more efficient than serializing the message yourself and noting the resulting size. (protocolbuffers/protobuf@121fdaa)
• Move upb minitable code generator into protoc (protocolbuffers/protobuf@dce6b0f)
• Tolerate message set extensions encoded as normal deliminited submessages (protocolbuffers/protobuf@c63fd56)
• Automated rollback of commit 6bde8c4. (protocolbuffers/protobuf@8ef81fb)
• Fix UPB fast table build. (protocolbuffers/protobuf@46f9e29)

Other

• Patch rules_ruby to apply neverlink = True to the jars rule (#​21416) (#​21505) (protocolbuffers/protobuf@664d94a)
• Restore JDK8 compatibility in Bazel for libraries with dependencies from Maven (e.g. //java/util) (protocolbuffers/protobuf@e8edc5d)
• Protobuf: add //:go_features_proto Bazel alias (protocolbuffers/protobuf@f79be3e)
• Fixes -lpthread problem when building with android_arm64 config (#​20337) (protocolbuffers/protobuf@4f5968a)

v30.2: Protocol Buffers v30.2

Compare Source

Announcements

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

Compiler

• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)

C++

• Remove dllexport attribute on variable definition. (#​20833) (protocolbuffers/protobuf@7831669)
• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)
• Change how we decide which empty string implementation to use. (#​20708) (protocolbuffers/protobuf@221b2a0)

Java

• Remove dllexport attribute on variable definition. (#​20833) (protocolbuffers/protobuf@7831669)
• Add protobuf_maven artifacts to protobuf_maven_dev as well so they can still be referenced correctly using the dev namespace for dev-only targets. (#​20771) (protocolbuffers/protobuf@09b5078)
• Add volatile to featuresResolved (#​20766) (protocolbuffers/protobuf@b7f06f1)
• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)
• Restore custom protobuf maven namespaces to avoid polluting main maven namespace for non-dev dependencies as well. (#​20739) (protocolbuffers/protobuf@f4b0a79)
• Fix Java concurrency issue in feature resolution for old <=3.25.x gencode using lazy feature resolution. (#​20751) (protocolbuffers/protobuf@2dc9f35)
• Fix lite classes in the protobuf-java Maven release to be JDK8 compatible. (#​20843) (protocolbuffers/protobuf@7a4c63b)

Kotlin

• Restore custom protobuf maven namespaces to avoid polluting main maven namespace for non-dev dependencies as well. (#​20739) (protocolbuffers/protobuf@f4b0a79)

Csharp

• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)

Objective-C

• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)

Python

• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)

Ruby

• Restore generator headers in cmake install until the next breaking C++ release (#​20749) (protocolbuffers/protobuf@b69f653)

Other

• Restore JDK8 compatibility in Bazel for libraries with dependencies from Maven (e.g. //java/util) (#​20832) (protocolbuffers/protobuf@da9cadc)

v30.1: Protocol Buffers v30.1

Compare Source

Announcements

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

Bazel

• Loosen py_proto_library check to be on the import path instead of full directory (i.e. excluding external/module-name prefix). (#​20569) (protocolbuffers/protobuf@3576a1f)

Compiler

• Fix python codegen crash when C++ features are used. (#​20577) (protocolbuffers/protobuf@250c550)

C++

• Fix python codegen crash when C++ features are used. (#​20577) (protocolbuffers/protobuf@250c550)

Java

• Remove Java runtime classes from kotlin release. (#​20607) (protocolbuffers/protobuf@4747628)

Kotlin

• Remove Java runtime classes from kotlin release. (#​20607) (protocolbuffers/protobuf@4747628)

Python

• Fix python codegen crash when C++ features are used. (#​20577) (protocolbuffers/protobuf@250c550)

Other

• Re-add system_python repo alias to MODULE.bazel (#​20662) (protocolbuffers/protobuf@ebb5224)

v30.0: Protocol Buffers v30.0

Compare Source

Announcements

• This version includes breaking changes to: Objective-C, Python, C++.
  • [Objective-C] Remove legacy WKT headers. (protocolbuffers/protobuf@d9caebc)
  • [Objective-C] Remove deprecated apis. (protocolbuffers/protobuf@2a52b90)
  • [Objective-C] Remove support for older generated code. (protocolbuffers/protobuf@cffa590)
  • [Objective-C] Remove GPBUnknownFieldSet. (protocolbuffers/protobuf@2b93422)
  • [Python] Fix closed enum validation under editions (protocolbuffers/protobuf@72b3eda)
  • [Python] Remove deprecated GetDebugString() from protobuf python cpp extension. (protocolbuffers/protobuf@721a452)
  • [Python] Remove deprecated reflection methods (protocolbuffers/protobuf@292f964)
  • [Python] Remove deprecated GetPrototype MessageFactory.GetPrototype(), (protocolbuffers/protobuf@c261b49)
  • [Python] Python nested message class qualname now contains the outer message name. (Previous qualname has the same result with name for nested message that outer message name was not included) (protocolbuffers/protobuf@0720536)
  • [Python] Remove deprecated Python RPC Service Interfaces (protocolbuffers/protobuf@5ba74b1)
  • [Python] Python setdefault behavior change for map field. (protocolbuffers/protobuf@81da6b9)
  • [Python] Remove deprecated py_proto_library macro.
  • [C++] Prohibit using Bazel+MSVC to build protobuf (protocolbuffers/protobuf@117e7bb)
  • [C++] Remove deprecated Arena::CreateMessage. (protocolbuffers/protobuf@d83a536)
  • [C++] Remove CMake submodule support in favor of fetched or installed dependencies. (protocolbuffers/protobuf@3f06ca4)
  • [C++] Flip default behavior for handling cmake dependencies. (protocolbuffers/protobuf@9cc685e)
  • [C++] Add ASAN poisoning after clearing oneof messages on arena. (protocolbuffers/protobuf@54d068e)
  • [C++] Upgrade return type of type_name() and cpp_type_name() from const char* to absl::string_view. (protocolbuffers/protobuf@a9ad51f)
  • [C++] Remove deprecated RepeatedPtrField::ClearedCount(). (protocolbuffers/protobuf@e8e3253)
  • [C++] Upgrade return type of several string returning functions to absl::string_view. (protocolbuffers/protobuf@d1990d9)
  • [C++] Strip ctype from options in C++ (protocolbuffers/protobuf@aebf8b9)
  • [C++] Remove MutableRepeatedFieldRef::Reserve() in reflection (protocolbuffers/protobuf@913f7b0)
  • [C++] Remove deprecated JsonOptions alias. (protocolbuffers/protobuf@e2eb0a1)
  • [C++] Remove deprecated Arena::GetArena. (protocolbuffers/protobuf@30ed452)
• Protobuf News may include additional announcements or pre-announcements for upcoming changes.
• Migration Guide includes migration instructions for breaking changes for this release.

Bazel

• Remove reference to cc_proto_aspect (protocolbuffers/protobuf@fa02f76)
• Remove deprecated bazel/system_python.bzl alias. (protocolbuffers/protobuf@00f108c)

Compiler

• Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (protocolbuffers/protobuf@a7df327)
• Have the protoc CLI properly report any parser warnings. (protocolbuffers/protobuf@cafeaa4)
• Split protoc apart from libprotoc in our cmake configs. (protocolbuffers/protobuf@b4b93b3)
• Begin adding extension numbers to SourceCodeInfo and FileDescriptorSet for tooling purposes. (protocolbuffers/protobuf@9d7236b)
• Fix various unsigned to signed comparison warnings. (#​17212) (protocolbuffers/protobuf@67de087)

C++

• Fixing staleness tests (protocolbuffers/protobuf@6abaf77)
• Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (protocolbuffers/protobuf@a7df327)
• Backport: Remove if_constexpr usage for future Abseil compatibility (#​20488) (protocolbuffers/protobuf@450ee76)
• Add tests for older gcc versions we still support (#​20463) (protocolbuffers/protobuf@0778473)
• Fix a bug in handling of implicit-presence string_view fields. (#​20403) (protocolbuffers/protobuf@81196ac)
• Remove rules_rust dependency from MODULE.bazel for 30.x (#​20310) (protocolbuffers/protobuf@b8248f6)
• Upgrade abseil-cpp to 2025012 and use @​com_google_absl -> @​abseil-cpp and com_google_googletest -> @​googletest canonical BCR names. (#​20295) (protocolbuffers/protobuf@df849cc)
• Replace std::any with a custom solution. (#​20251) (protocolbuffers/protobuf@6250d09)
• Make DebugString print debug output, enable debug markers for debug output (protocolbuffers/protobuf@9a03332)
• Fix missing port_undef (#​20052) (protocolbuffers/protobuf@0644388)
• Use __builtin_expect_with_probability for proto field presence checks. (protocolbuffers/protobuf@e958419)
• Enable meta-tagging for redaction purposes (protocolbuffers/protobuf@1f48795)
• Breaking change: Prohibit using Bazel+MSVC to build protobuf (protocolbuffers/protobuf@117e7bb)
• Breaking change: Upgrade return type of several string returning functions to absl::string_view. (protocolbuffers/protobuf@d1990d9)
• Print the presence probability when analysis is enabled. (protocolbuffers/protobuf@d4ba7ff)
• Split protoc apart from libprotoc in our cmake configs. (protocolbuffers/protobuf@b4b93b3)
• Breaking change: Strip ctype from options in C++ (protocolbuffers/protobuf@aebf8b9)
• Breaking change: Remove MutableRepeatedFieldRef::Reserve() in reflection (protocolbuffers/protobuf@913f7b0)
• Remove stale references to C++14. (protocolbuffers/protobuf@f4cc92c)
• Breaking change: Upgrade return type of type_name() and cpp_type_name() from const char* to absl::string_view. (protocolbuffers/protobuf@a9ad51f)
• Update cmake minimum version to >=3.16. (protocolbuffers/protobuf@21f535c)
• Migrate coded output stream arguments from const std::string& to absl::string_view. (protocolbuffers/protobuf@0361a59)
• Breaking change: Remove deprecated Arena::GetArena. (protocolbuffers/protobuf@30ed452)
• Remove the time (or time-based) entropy being added to Map's seed. (protocolbuffers/protobuf@a7875bb)
• Don't use CLOCK_UPTIME_RAW if it won't be defined (#​16951) (protocolbuffers/protobuf@097dcda)
• Fix DEPENDENCIES in protobuf_generate() to accept multiple values instead of silently dropping (protocolbuffers/protobuf@52887e1)
• Use ABSL_PREDICT_TRUE|FALSE instead of PROTOBUF_PREDICT_TRUE|FALSE. (protocolbuffers/protobuf@fd47730)
• Breaking change: Flip default behavior for handling cmake dependencies. (protocolbuffers/protobuf@9cc685e)
• Use [[maybe_unused]] instead of PROTOBUF_UNUSED. (protocolbuffers/protobuf@a7dd155)
• Use [[nodiscard]] instead of PROTOBUF_NODISCARD (protocolbuffers/protobuf@1ceedf8)
• Breaking change: Remove deprecated JsonOptions alias. (protocolbuffers/protobuf@e2eb0a1)
• Generate internal hasbits for singular proto3 implicit presence fields. (protocolbuffers/protobuf@3e82ed4)
• Add name mangling to nested names that collide with known generated names, like (protocolbuffers/protobuf@f2cf85c)
• Breaking change: Remove deprecated RepeatedPtrField::ClearedCount(). (protocolbuffers/protobuf@e8e3253)
• Breaking change: Add ASAN poisoning after clearing oneof messages on arena. (protocolbuffers/protobuf@54d068e)
• Breaking change: Remove deprecated Arena::CreateMessage. (protocolbuffers/protobuf@d83a536)
• Change DynamicCastMessage to throw a std::bad_cast exception when exceptions (protocolbuffers/protobuf@33bbbeb)
• Fixed a missing check in wire format verification. (protocolbuffers/protobuf@2ac862f)
• Comment change: clarifies that the field/value order is based on textual order in the file, not the order of the enums. (protocolbuffers/protobuf@f92335b)
• Bump minimum C++ version to C++17 after branch cut for v29. (protocolbuffers/protobuf@fe53593)
• Bump abseil dependency version from 2023080.1 to 2024072.0. (protocolbuffers/protobuf@c75095b)
• Breaking change: Remove CMake submodule support in favor of fetched or installed dependencies. (protocolbuffers/protobuf@3f06ca4)
• Support fetching CMake dependencies via -Dprotobuf_FETCH_DEPENDENCIES=ON (protocolbuffers/protobuf@d3735bc)
• Avoid field id comparisons in ExtensionSet serialization in case of single range. (protocolbuffers/protobuf@8f6a7a2)
• Let ArenaStringPtr debug-fail if it ever attempts to clear a default string. (protocolbuffers/protobuf@6c9c12c)
• Fix various unsigned to signed comparison warnings. (#​17212) (protocolbuffers/protobuf@67de087)
• Remove Protobuf-C++.podspec release. (protocolbuffers/protobuf@b204518)

Java

• Split maven dependencies into dev vs local (#​20549) (#​20558) (protocolbuffers/protobuf@a5c906a)
• Refactor TextFormat.Printer.MapEntryAdapter to handle more entry types. This will properly sort map keys for DynamicMessage maps. (protocolbuffers/protobuf@84769d3)
• Re-Expose UnderscoresToCapitalizedCamelCase for plugins in OSS. (protocolbuffers/protobuf@94ae26d)
• Upgrade return type of several string returning functions to absl::string_view. (protocolbuffers/protobuf@d1990d9)
• Fix mishandling of open enum + explicit presence fields. (protocolbuffers/protobuf@0ccd845)
• Disable useShortRepeatedPrimitives for Printer.DEFAULT_DEBUG_FORMAT (protocolbuffers/protobuf@1900cbe)
• Optimize Java gencode version validation (protocolbuffers/protobuf@59a8de6)
• Make Java consistently reject unmatched end-group tag. (protocolbuffers/protobuf@a4d4bfe)
• Make Java-lite reject unmatched end-group tag. (protocolbuffers/protobuf@84e81cf)
• Fix handling of implicit field presence in mergeFrom to match the behavior in other places. (protocolbuffers/protobuf@3e0f82e)
• Use ABSL_PREDICT_TRUE|FALSE instead of PROTOBUF_PREDICT_TRUE|FALSE. (protocolbuffers/protobuf@fd47730)
• Use [[maybe_unused]] instead of PROTOBUF_UNUSED. (protocolbuffers/protobuf@a7dd155)
• Remove deprecation warnings for Timestamp and Duration add/subtract/between that we do not yet have alternatives to. (protocolbuffers/protobuf@f6cddd2)
• Add support to print repeated fields with primitive values using short notation (protocolbuffers/protobuf@b8d3567)
• Fix unexpected NumberFormatException in Durations.parse() by replacing with documented thrown ParseException. (protocolbuffers/protobuf@ee5aa49)
• Give Kotlin jars an OSGi Manifest (#​18812) (protocolbuffers/protobuf@27ddb9c)
• Lite: Remove intermediary dynamicMethod function trampolines (protocolbuffers/protobuf@25724ab)
• Speed up SingleFieldBuilder.getBuilder() by avoiding reloading this.builder at return. (protocolbuffers/protobuf@f7b0faf)
• Restore runtime compatibility with 3.22.x gencode by re-adding the mutableCopy(list) methods. (protocolbuffers/protobuf@6628b8a)
• CodedOutputStream: Avoid updating position to go beyond end of array. (protocolbuffers/protobuf@24160d5)
• Fix various unsigned to signed comparison warnings. (#​17212) (protocolbuffers/protobuf@67de087)
• Throw more informative OutOfSpaceExceptions when we run out of space serializing a proto. (protocolbuffers/protobuf@bc24489)

Kotlin

• Give Kotlin jars an OSGi Manifest (#​18812) (protocolbuffers/protobuf@27ddb9c)

Csharp

• Throw InvalidProtocolBufferException when parsing invalid UTF-8 in C#. (protocolbuffers/protobuf@db9b2c8)

Objective-C

• Generate Kythe annotations for objc messages. (protocolbuffers/protobuf@8868171)
• Update minimum supported macOS 11 (protocolbuffers/protobuf@9f1b38e)
• Breaking change: [ObjC] Remove legacy WKT headers. (protocolbuffers/protobuf@d9caebc)
• [ObjC] Breaking Change: Remove deprecated apis. (protocolbuffers/protobuf@2a52b90)
• [ObjC] Breaking Change: Remove support for older generated code. (protocolbuffers/protobuf@cffa590)
• [ObjC] Breaking Change: Remove GPBUnknownFieldSet. (protocolbuffers/protobuf@2b93422)

Python

• Fix missing port_undef (#​20052) (protocolbuffers/protobuf@0644388)
• Python protobuf: kwargs initialization now allows dict() for proto map values. (protocolbuffers/protobuf@6235687)
• Python: Improve refleak checker for Python 3.12. (protocolbuffers/protobuf@336d6f0)
• Rename bazel "pip_deps" hub_name. (protocolbuffers/protobuf@32838e8)
• Add has_options to ServiceDescriptor and MethodDescriptor in UPB python and cpp python to match with other descriptors and pure python (protocolbuffers/protobuf@4214ee7)
• Nextgen Proto Pythonic API: Add byte_size(), clear_message() and clear_field() APIs in proto module (protocolbuffers/protobuf@975bb07)
• Nextgen Proto Pythonic API: “Add-on” proto for Text Format serialize/parse (protocolbuffers/protobuf@e9fa879)
• Fix bug that DiscardUnknownFields did not discard unknown fields of extensions in Py-upb and Php-upb and ruby-upb. (protocolbuffers/protobuf@98aab04)
• Remove the entire pb_unit_tests/ directory with reflection_test_wrapper. (protocolbuffers/protobuf@39808bc)
• Performance optimization for upb python extend repeated scalars. (protocolbuffers/protobuf@6c3ff5a)
• Ensure protobuf Message.dir returns proto fields (protocolbuffers/protobuf@1803f8b)
• Breaking change: Fix closed enum validation under editions (protocolbuffers/protobuf@72b3eda)
• Make python text-format reject octal floats (protocolbuffers/protobuf@8f2ad12)
• Treat -0.0 as consistently distinct from 0.0 in pure python (protocolbuffers/protobuf@bc16fe8)
• Remove decoder.SkipField. (protocolbuffers/protobuf@1b0b1c9)
• Make Pure Python reject unmatched end-group tag in unknown fields (protocolbuffers/protobuf@f69ea1c)
• Make Python/C++ reject unmatched end-group tag. (protocolbuffers/protobuf@482752a)
• Override protobuf Message.dir method (protocolbuffers/protobuf@9668016)
• Add "absl::StatusOr GetConstMessagePointer(PyObject* msg)" in proto_api which works with cpp extension, upb and pure python. (protocolbuffers/protobuf@b9e69e8)
• Fix a python bug that UPB and Python C++ extension assume MessageSet extensions are ordered first (protocolbuffers/protobuf@3781f45)
• Drop Python 3.8 support (protocolbuffers/protobuf@f5a2937)
• Fix a python bug for text_format pretty print when Struct in Any (protocolbuffers/protobuf@d3e9897)
• Support tuples when parsing JSON dicts (protocolbuffers/protobuf@75bb72e)
• Breaking change: Python nested message class qualname now contains the outer message name. (Previous qualname has the same result with name for nested message that outer message name was not included) (protocolbuffers/protobuf@0720536)
• Breaking change: Python setdefault behavior change for map field. (protocolbuffers/protobuf@81da6b9)
• Fix a Python bug: when package is empty, DescriptorDatabase FindFileContainingSymbol method will able to find symbol names not start with '.' (protocolbuffers/protobuf@610702e)
• Use ABSL_PREDICT_TRUE|FALSE instead of PROTOBUF_PREDICT_TRUE|FALSE. (protocolbuffers/protobuf@fd47730)
• Breaking change: Remove deprecated GetPrototype MessageFactory.GetPrototype(), (protocolbuffers/protobuf@c261b49)
• Breaking change: Remove deprecated GetDebugString() from protobuf python cpp extension. (protocolbuffers/protobuf@721a452)
• Add Python 3.13 test coverage (protocolbuffers/protobuf@7060d3d)
• Fix a python bug when assign an empty Struct at creation. (protocolbuffers/protobuf@47613cf)
• Add "PythonMessageMutator GetClearedMutableMessage(PyObject *);" in proto_api which works with cpp extension, upb and pure python. (protocolbuffers/protobuf@5706140)
• Breaking change: Remove deprecated reflection methods (protocolbuffers/protobuf@292f964)
• Breaking change: Remove deprecated Python RPC Service Interfaces (protocolbuffers/protobuf@5ba74b1)
• Fix pyi generation for messages with a field named "self" (protocolbuffers/protobuf@fa858b8)
• Breaking change: Remove deprecated py_proto_library macro. (protocolbuffers/protobuf@1e8e356)

PHP

• Handle optional fields correctly in Message_get method (#​18982) (protocolbuffers/protobuf@f1aa92a)
• Delete long-deprecated internal descriptor.proto gencode forwards. (protocolbuffers/protobuf@cf9b774)

PHP C-Extension

• Upb: Update _upb_map_next signature to return a boolean and remove the _nextmutable Map iterator API. (#​20467) (protocolbuffers/protobuf@0913d39)
• Add to_proto to descriptor classes (#​19971) (protocolbuffers/protobuf@74122eb)
• Fix bug that DiscardUnknownFields did not discard unknown fields of extensions in Py-upb and Php-upb and ruby-upb. (protocolbuffers/protobuf@98aab04)
• Raise ParseError for non-numeric strings in numeric fields in Ruby and PHP JSON parsing. (protocolbuffers/protobuf@abb197c)
• Handle optional fields correctly in Message_get method (#​18982) (protocolbuffers/protobuf@f1aa92a)
• See also UPB changes below, which may affect PHP C-Extension.

Ruby

• Add to_proto to descriptor classes (#​19971) (protocolbuffers/protobuf@74122eb)
• Support ruby 3.4 (#​19752) (protocolbuffers/protobuf@4a92a1c)
• Add a multi-platform Gemfile.lock (#​19804) (protocolbuffers/protobuf@56f318d)
• Fix ruby has_...? method (#​19731) (protocolbuffers/protobuf@4031c19)
• Raise ParseError for non-numeric strings in numeric fields in Ruby and PHP JSON parsing. (protocolbuffers/protobuf@abb197c)
• Error if assigning a "UTF-8" string with invalid UTF-8. (protocolbuffers/protobuf@2f505a7)
• Third_party/utf8_range: support arm neon (#​18126) (protocolbuffers/protobuf@d83ad15)

Ruby C-Extension

• Upb: Update _upb_map_next signature to return a boolean and remove the _nextmutable Map iterator API. (#​20467) (protocolbuffers/protobuf@0913d39)
• Add to_proto to descriptor classes (#​19971) (protocolbuffers/protobuf@74122eb)
• Ruby: make it possible to specify compiler for C extension (#​19863) (protocolbuffers/protobuf@b46f315)
• Fix bug that DiscardUnknownFields did not discard unknown fields of extensions in Py-upb and Php-upb and ruby-upb. (protocolbuffers/protobuf@98aab04)
• Fix ruby has_...? method (#​19731) (protocolbuffers/protobuf@4031c19)
• Raise ParseError for non-numeric strings in numeric fields in Ruby and PHP JSON parsing. (protocolbuffers/protobuf@abb197c)
• Error if assigning a "UTF-8" string with invalid UTF-8. (protocolbuffers/protobuf@2f505a7)
• Update minimum supported macOS 11 (protocolbuffers/protobuf@9f1b38e)
• See also UPB changes below, which may affect Ruby C-Extension.

UPB (Python/PHP/Ruby C-Extension)

• Upb: Update _upb_map_next signature to return a boolean and remove the _nextmutable Map iterator API. (#​20467) (protocolbuffers/protobuf@0913d39)
• Change upb C generated map iteration function to not hand out MapEntry pointers. (#​20462) (protocolbuffers/protobuf@503abcc)
• Add to_proto to descriptor classes (#​19971) (protocolbuffers/protobuf@74122eb)
• Randomize upb's map ordering (protocolbuffers/protobuf@066531d)
• Fix bug that DiscardUnknownFields did not discard unknown fields of extensions in Py-upb and Php-upb and ruby-upb. (protocolbuffers/protobuf@98aab04)
• Add three conformance test edge cases for ProtoJSON repr of Any (protocolbuffers/protobuf@b985164)
• Fix issue where a tmp buffer could have been too small when handling a serialized FeatureSet. (protocolbuffers/protobuf@eb8a34d)
• Fixed comparison of empty repeated/map extensions. (protocolbuffers/protobuf@a79fbc9)
• Fix a python bug that UPB and Python C++ extension assume MessageSet extensions are ordered first (protocolbuffers/protobuf@3781f45)

Other

• Remove test platform specification from release config (#​20475) (protocolbuffers/protobuf@2b9b10

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