Protocol Buffers v27.0-rc1
Pre-release
Pre-release
·
84 commits
to main
since this release
Announcements
- Protobuf News may include additional announcements or pre-announcements for upcoming changes.
Compiler
- Officially release Editions in 27.0. (baa83b6)
- Define lifetimes of edition 2023 features (77f62de)
- Implement feature lifetime validation in protoc and the C++ runtime. (b3b4497)
- Add edition lifetime options for feature specs. (b09b3e4)
- Enable editions support for Java Lite. (500c953)
- Release edition defaults CLI arguments. (7a0e10e)
- Update protoc release to include editions language features protos for Java and C++ (6483c47)
C++
- [C++] Ensure we allocate overaligned types with aligned operator new. (11ef0ff)
- Fix text-format delimited field handling (29c69ff)
- In debug mode, after clearing oneof messages on arenas, poison them if ASAN. (8826baf)
- Allow string_type for Edition 2023. (d8251eb)
- Breaking change: Ensure we allocate overaligned types with aligned operator new. (11ef0ff)
- Python JSON parser: Ignore invalid enum string values if ignore_unknown_fields is set (#15887) (86abf35)
- Move java_features.proto to java/core/srce/main/resources (274bc7f)
- Add an RAII namespace printer helper for C++ codegen. (8599ab5)
- Enable editions support for Java Lite. (500c953)
- Add an RAII ifndef helper for C++ codegen. (1087274)
- Clear oneof message fields even on arena on non-OPT builds. (5c183bd)
- Implement edition 2023 support in all Ruby runtimes. (bca8fb6)
- Release edition defaults CLI arguments. (7a0e10e)
- Deprecate Arena::CreateMessage for OSS. (d4bfe52)
- Open sourcing reflection_visit_fieds. (cfc07df)
- Fixed the use of c++ keywords within namespace names (#15954) (988194a)
- Fix pkg-config metadata for shared abseil on windows (#15888) (fe6edca)
- Add GetStringView() and GetRepeatedStringView() with scratch. (a3f5af0)
- Avoid a 'may be used uninitialized' warning when built with '-c opt'. (#15846) (eb70b34)
- Add software prefetch to ByteSizeLong (948ca2e)
- Add prefetching in arena blocks. (9e57b8e)
- Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (2699579)
- Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (7d43131)
- Remove tags for arena cleanup nodes now that we have dedicated string cleanup blocks. (202b106)
- Avoid unused-parameter warning in field accessor listeners. (f4d5c2c)
- Add new 'always_print_without_presence_fields' option to the C++ JSON serializer. (671b61b)
- Fail to build descriptor if ctype is specified for non string/bytes fields (8b4c7a1)
- Check ctype() in DescriptorBuilder for edition 2023 and beyond. (307aeac)
- Fail building descriptors if
ctypeis used for fields other than string or bytes. (403e207) - Fix generation of HasExtension and ExtensionSize functions to restrict to the (9f5be07)
- Add the privacy manifest to the C++ CocoaPod. (982ea24)
Java
- Define lifetimes of edition 2023 features (77f62de)
- Check that size is non-negative when reading string or bytes in StreamDecoder. (a94f57b)
- Fix text-format delimited field handling (29c69ff)
- Move java_features.proto to java/core/srce/main/resources (274bc7f)
- Add java_features.proto to kotlin_mvn release (369732a)
- Enable editions support for Java Lite. (500c953)
- Fix descriptor to access type via getType() s.t. messages using delimited encoding are consistently treated as groups for Java lite. (9f001a9)
- Make UnsafeByteOperations stable; removing experimental annotation. (0070ac1)
- Fix features inheritance of oneof fields and extensions and fix/move unit tests to actually run. (eb10ebd)
- Add software prefetch to ByteSizeLong (948ca2e)
- Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (2699579)
- Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (7d43131)
- Add a new 'includingDefaultValueWithoutPresenceFields' option to the Java parser which is intended to replace the current 'includingDefaultValueFields'. (58baeb4)
Kotlin
- Add java_features.proto to kotlin_mvn release (369732a)
Csharp
- C#: Optimize JSON parsing in JsonTokenizer (68e6e3e)
- C#: Avoid string concatenation when looking up enum values by name. (e6684ac)
- Cache StringBuilder instances in the .NET JsonTextTokenizer. (fac929d)
- Enable Editions in the C# generator. (421040b)
- Runtime support for Protobuf Editions in C#. (450022d)
- Tweak "group to property name" mapping for C#. Under editions, where fields using a delimited encoding have independent field names from type names, we want to use the specified field name. (139ea4d)
- C#: Ignore invalid enum string values in JSON, when invalid fields are being ignored. (55e50ba)
Objective-C
- Optimize startup be reducing selector lookup. (b375d01)
- Add the privacy manifest to the ObjC CocoaPod. (0d91515)
Python
- Implement feature lifetime validation in protoc and the C++ runtime. (b3b4497)
- Fix text-format delimited field handling (29c69ff)
- Python JSON parser: Ignore invalid enum string values if ignore_unknown_fields is set (#15887) (86abf35)
- Fix upb python: DO NOT create empty optional field after sorting empty repeated field (7cf0238)
- Enable Protobuf Python version check. (0442ed6)
- Register Scalar/MessageMapContainerTypes as virtual subclasses of MutableMapping instead of inheriting directly. (5b32936)
- Breaking change: Remove the deprecated always_print_primitive_fields option from Java, Python and C++ JSON parsers. (2699579)
- Rename the 'includingDefaultValueWithoutPresenceFields' and 'always_print_without_presence_fields' to 'alwaysPrintFieldsWithNoPresence' in the Cpp, Py and Java JSON serializers for consistency. (7d43131)
- Breaking change: Removed obsolete/duplicate
setup.pyfrom Python. (8135fca) - Add new including_default_value_without_presence_fields to Python JSON serializer. (25c6d34)
- Adhere to PEP 8 (#15127) (21ab745)
PHP
- Don't break the trace (#11311) (d67f921)
- Breaking change: Remove deprecated legacy class aliases. (60b80c6)
- Fix inconsistent timestamp json encode/decode (#12396) (47e92cd)
- Feat: more readable phpdoc escaping (#11208) (f929439)
Ruby
- Add bigdecimal to dependencies (#16379) (d810ef6)
- Implement service & method descriptor lookup in Ruby (#15817) (2082ee8)
- Implement edition 2023 support in all Ruby runtimes. (bca8fb6)
- Ruby implement memsize functions for native types (#10291) (87cbddd)
- Moved ObjectCache into an internal module. (f824f6d)
- [Ruby] Delegate difference, intersection, union from RepeatedField to Array (#15652) (11eab86)
- Move the RubyMessage.java JSON "include defaults" to use alwaysPrintFieldsWithNoPresence. (4d23fa0)
- Increased the size of the error message buffer by 4x, to 511 bytes. (32a6f7a)
Ruby C-Extension
- Implement service & method descriptor lookup in Ruby (#15817) (2082ee8)
- Implement edition 2023 support in all Ruby runtimes. (bca8fb6)
- Ruby implement memsize functions for native types (#10291) (87cbddd)
- Moved ObjectCache into an internal module. (f824f6d)
- See also UPB changes below, which may affect Ruby C-Extension.
UPB (Python/PHP/Ruby C-Extension)
- Setup upb installation with cmake. (6898451)
- Fix text-format delimited field handling (29c69ff)
- Print non-extension fields by field number order instead of .proto file order. (8612d5e)
- Implement service & method descriptor lookup in Ruby (#15817) (2082ee8)
- Implement edition 2023 support in all Ruby runtimes. (bca8fb6)
- Adds mutable extension accessors to the codegen for upb C for getting mutable extension messages. (e8244da)
- Ruby implement memsize functions for native types (#10291) (87cbddd)
- Increased the size of the error message buffer by 4x, to 511 bytes. (32a6f7a)
Conformance
- Added conformance test for unknown field ordering. (1f6580d)
- Add editions-specific conformance tests (8ab39ed)