Lataa protobuf 31.0

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). (a4be867)
Compiler
- Add support for import option for protoc.(9901db6)
- Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (7a26486)
- Move upb minitable code generator into protoc (dce6b0f)
- Upgrade abseil-cpp to 20250127 and use @com_google_absl -> @abseil-cpp and com_google_googletest -> @googletest canonical BCR names. (ba6b54d)
C++
- Remove fast-path check for non-clang compilers in MessageCreator. (aa5410d)
- Add missing include. (d390631)
- Add weak attribute to GetClassData to speed up clang builds. (d896480)
- Add nontemporal software prefetcher to repeated ptr field dtor to improve performance. (73f3469)
- Warn on unused RepeatedPtrField. (683e9d2)
- Add notices.h with information about our dependencies' licenses and add --notices flag to protoc to print the contents of that file. (7a26486)
- Fix a bug in handling of implicit-presence string_view fields. (bd70a7c)
- Control bounds checks via BUILD flags. (d21e8ef)
- Upgrade abseil-cpp to 20250127 and use @com_google_absl -> @abseil-cpp and com_google_googletest -> @googletest canonical BCR names. (ba6b54d)
- Create hardened versions of Get and Mutable for repeated_field. (ffade4a)
Java
- Add weak attribute to GetClassData to speed up clang builds. (d896480)
- Use ProtobufToStringOutput to control the output format of AbstractMessage.Builder.toString. (f5cb162)
- Implement Protobuf Java Immutable API nest_in_file_class feature for Edition 2024. (0416c3e)
- Introduce a Generated annotation to eventually replace javax.annotation.Generated (31e57fc)
- Add volatile to featuresResolved (9e03ca5)
- Fix Java concurrency issue in feature resolution for old <=3.25.x gencode using lazy feature resolution. (fafb0fd)
- Remove Java runtime classes from kotlin release. (079be27)
- Split maven dependencies into dev vs local (#20549) (e045fc6)
- Improve error messaging when detecting and erroring out on integer overflow of byte count limit variables. (097fdb8)
Kotlin
- Remove Java runtime classes from kotlin release. (079be27)
Csharp
- Remove "experimental API" warnings from members in the .NET protobuf runtime. (afea52f)
- Improve performace of repeated packed fixedSize fields (#19667) (85507b9)
Objective-C
- [ObjC] Deprecate GPBFieldDescriptor.isOptional. (86ab252)
- [ObjC] Raise the library version and enable new generated code. (a639cf8)
Rust
- Cherry-pick Rust fix to 31.x (#21617) (01b42bb)
- Add upb_Map_GetMutable API to upb (dd5bf5e)
- See also UPB changes below, which may affect Rust.
Python
- Update GetCurrentTime to use datetime.datetime.now (01b154c)
- Make Py JSON float_precision apply to both float and double fields. (5b54ee3)
- -Add '+' and '-' annotations for Timestamp and Duration in Python (fff783e)
- Bug fix for FieldMask.MergeFrom() with unset fields. (1c87ac3)
- Make python text_format able to skip unknown fields for repeated messages (dcafca2)
- Fix segment fault for UPB Pyhon 'in' method of empty repeated extensions (da04261)
- Fix upb to escape DefinitelyNeedsEscape (like " and ') for bytes field (b234305)
- Check with fallback descriptorDB for FindExtensionByNumber()/FindAllExtensions in UPB python pool. (9fd28d9)
- Add clear() method to repeated fields in Python. (0324f39)
- Register Scalar/MessageMapContainerTypes as virtual subclasses of (9a0b591)
- Fix python codegen crash when C++ features are used. (308aaf4)
- Add more detail to the comment for GetMessageClassesForFiles (9befb58)
- Add constructing unpack routine to Python Protobuf Any API. (fb78c09)
- Implement typing for proto Timestamp/Duration assignments. (0e3326b)
PHP
- Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (d82de8f)
- Feat(php): improve return typehint when repeatedfield (#11734) (e04fe69)
PHP C-Extension
- Automated rollback of commit f9863df. (#21355) (a59988c)
- Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (d82de8f)
- Ruby: Allow to get a file descriptor by a file name (#20287) (c398592)
- Feat(php): improve return typehint when repeatedfield (#11734) (e04fe69)
- See also UPB changes below, which may affect PHP C-Extension.
Ruby
- Fix silent failure of rb_test rules to run test (#21733) (0cf5489)
- Ruby | Add support for a protobuf debug build (#21060) (59e1f0f)
- Ruby | Support installing the gem via git and some other small build tweaks (#21061) (d3560e7)
- Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (d82de8f)
- [Ruby]Implement #to_hash for message classes (#20866) (5596f6d)
- Drop Ruby 3.0 (5de7c80)
- Fixes #18726 by backslash escaping descriptor data containing # if the hashmark appears immediately before any of $, {, or @. (fffa3da)
- Ruby: Allow to get a file descriptor by a file name (#20287) (c398592)
- Ruby: fix bug in Map.hash (b968d0d)
Ruby C-Extension
- Ruby | Add support for a protobuf debug build (#21060) (59e1f0f)
- Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (d82de8f)
- Ruby: Allow to get a file descriptor by a file name (#20287) (c398592)
- Ruby: fix bug in Map.hash (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. (3434a21)
- Deprecate Descriptor Label. As an alternative, add helper methods for checking whether a field is required or repeated. (d82de8f)
- Add upb_Map_GetMutable API to upb (dd5bf5e)
- Fix upb to escape DefinitelyNeedsEscape (like " and ') for bytes field (b234305)
- Upb: delete functions in map_gencode_util. They're unused after the Map iterator API change. (f398807)
- Upb: Update _upb_map_next signature to return a boolean and remove the _nextmutable Map iterator API. (e4cdf44)
- Change upb C generated map iteration function to not hand out MapEntry pointers. (3a3d697)
- Ruby: Allow to get a file descriptor by a file name (#20287) (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. (121fdaa)
- Move upb minitable code generator into protoc (dce6b0f)
- Tolerate message set extensions encoded as normal deliminited submessages (c63fd56)
- Automated rollback of commit 6bde8c4. (8ef81fb)
- Fix UPB fast table build. (46f9e29)
Other
- Patch rules_ruby to apply neverlink = True to the jars rule (#21416) (#21505) (664d94a)
- Restore JDK8 compatibility in Bazel for libraries with dependencies from Maven (e.g. //java/util) (e8edc5d)
- Protobuf: add //:go_features_proto Bazel alias (f79be3e)
- Fixes -lpthread problem when building with android_arm64 config (#20337) (4f5968a)