Protocol Buffers 32.0

What's new in this version:

Bazel:
- Migrates some Java test protos using java_features.proto to edition 2024 (6f4a990)
- Add generated message reflection unittest for import option and option_deps test proto in edition 2024
- Replace the usage of cc_info.debug_context with _debug_context (776c5f2)
- Generate .pyi files in py_proto_library
- Introduce denylisted_protos as a preferred replacement for blacklisted_protos attribute
- Use native.proto_library for Bazel 7 and explicitly error for Bazel 6 which is incompatible and out of support
- Require ProtoInfo provider instead of proto_library rule for bazel cc_proto_library deps

Compiler:
- Strip extensions from option imports that are known in CollectExtensions due to polluted pool from protoc parse when used with protoc full + java built in generator
- Deprecate google.protobuf.Method.syntax and google.protobuf.Method.edition (9ec241e)
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Ban import weak and weak field option in edition 2024 in protoc (parser and c++ runtime)

C++:
- Strip extensions from option imports that are known in CollectExtensions due to polluted pool from protoc parse when used with protoc full + java built in generator
- Manually migrate top-level protobuf unittest protos from edition 2023 to edition 2024
- Add generated message reflection unittest for import option and option_deps test proto in edition 2024
- Remove the flag requirement for Bazel+MSVC users
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Cast GetCachedTID() to unsigned to prevent left-shifting a negative number
- Update comment at the top of message.h and message_lite.h to document that it should only be extended by gencode and not user code
- Treat warnings encountered in chromium builds as errors
- Ban import weak and weak field option in edition 2024 in protoc (parser and c++ runtime)

Java:
- Strip extensions from option imports that are known in CollectExtensions due to polluted pool from protoc parse when used with protoc full + java built in generator
- Remove CollectExtensions check banning unknown custom options since unknown custom options are now expected when using import option and option_deps which exclude the options from the "builder" pool (aka "import" pool)
- Manually migrate top-level protobuf unittest protos from edition 2023 to edition 2024
- Migrates some Java test protos using java_features.proto to edition 2024 (6f4a990)
- Restore compatibility of runtime with pre-3.22.x gencode impacted by CVE-2022-3171 (adf556f)
- Update our compiled_edition_default's maximum_edition to 2024
- Restore the long-deprecated static functions on TextFormat
- Add Kotlin class name helpers to names.h (527b2ab)
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Update Java gencode base class documentation to clarify that it is not supported to extend them
- Add a FieldMaskUtil#trim overload that accepts TrimOptions and allows retaining unset primitive field state

Csharp:
- Update staleness (0014173)
- Manually migrate top-level protobuf unittest protos from edition 2023 to edition 2024
- Update our compiled_edition_default's maximum_edition to 2024
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Include also ARM build of protoc in nuget package
- Improve C# handling of Any JSON serialization/deserialization (dc4e429)

Objective-C:
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust

Rust:
- Rust: remove DEP_UPB_VERSION check in codegen crate
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Update Rust generator to output minidescriptors instead of C minitables (1b4b5fc)
- Add [clear_and_]parse_dont_enforce_required() to Rust protobuf
- Add #[non_exhaustive] on the oneof-case enum (aba2075)
- Impl Clone for RepeatedIter (aca1ed5)
- See also UPB changes below, which may affect Rust.

Python:
- Strip extensions from option imports that are known in CollectExtensions due to polluted pool from protoc parse when used with protoc full + java built in generator
- Manually migrate top-level protobuf unittest protos from edition 2023 to edition 2024
- Raise warnings for float_precision from python json_format
- Raise warnings when assign bool to int/enum
- Update python edition default maximum edition to 2024
- Make protobuf codebase compatible with --incompatible_config_setting_private_default_visibility
- Add Python deprecation warnings for Descriptor Label
- Updating setuptools to patch CVE-2025-47273
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Extend gencode compatibility support back to 3.20.0 (1af7fd4)
- Change proto_api work with custom pool for upb and pure python
- Python pyi print "import datetime" for Duration/Timestamp field (f59b84a)
- Add reference leak check to Python well_known_types_test. Fix two refleak bugs
- Add reference leak check to Python timestamp_test and duration_test. Fix a refleak bug when assign datetime/duration to Timestamp/Duration (e004c8b)
- Add recursion depth limits to pure python (17838be)
- Remove calls to Label within Protobuf Python
- Change Python .pyi stubs to generated _Optional[] for bool fields same with (6972464)
- Remove internal/api_implementation.Version() (cbad456)
- Fix python proto_api to work with messages that required fields are not set
- Fix python upb crashes on map/repeated reference stub destructor (4274909)
- Mark Py JSON float_precision deprecated

PHP:
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Fix(php): use count instead of ->count() to avoid bug in c-extension (9fbce62)
- [php][compiler][ext] - Add missing has* methods and other well known types
- Fix PHP 8.4 deprecation in GPBDecodeException

PHP C-Extension:
- Update our compiled_edition_default's maximum_edition to 2024
- Change 'getLabel is deprecated' to E_USER_DEPRECATED (158d8ac)
- [php][compiler][ext] - Add missing has* methods and other well known types
- See also UPB changes below, which may affect PHP C-Extension.

Ruby:
- Make protobuf codebase compatible with --incompatible_config_setting_private_default_visibility
- Enable edition 2024 support in protoc and language generators for cpp, hpb, java, kotlin, objectivec, php, python, pyi, rust
- Fix silent failure of rb_test rules to run test

Ruby C-Extension:
- Update our compiled_edition_default's maximum_edition to 2024
- Removed wrap_memcpy.c compatibility shim for pre-2.14 glibc (4ba9733)
- See also UPB changes below, which may affect Ruby C-Extension.

UPB (Python/PHP/Ruby C-Extension):
- Update our compiled_edition_default's maximum_edition to 2024
- Make protobuf codebase compatible with --incompatible_config_setting_private_default_visibility
- Add upb_Message_SetExtensionMessage as a helper for setting a extension field that is a message. This is the extension equivalent of upb_Message_SetBaseFieldMessage

Other:
- Update github major version tags to be formatted v..- for clarity (e001d57)
- Upgrade Abseil dependency to 20250512.1 (ee68ed1)
- Patch rules_ruby to apply neverlink = True to the jars rule