Announcements

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

Compiler

Implement a retain_options flag in protoc. (83507c7)
Make protoc --descriptor_set_out respect option retention (ae2531d)
Modify release artifacts for protoc to statically link system libraries. (723bd4c)
Extension declaration: Enforce that if the extension range has a declaration then all extensions in that range must be declared. This should prevent non-declared extensions from being added. (5dc171f)
Implement "reserved" for extension declaration. (41287bd)
Open-source extension declaration definition. (145900f)

Fix(libprotoc): export useful symbols from .so (46fb4aa)
Turn off clang::musttail on i386 (b40633f)
Fixes Clang 6 linker bug (49bb3f2)
Remove PROTOBUF_DEPRECATED in favor of [[deprecated]]. (5c59290)
Add assert to the list of keywords for C++. (a75c1a2)
Added Reflection::GetCord() method in C++ (6ecb5d0)
Support C++ protobuf ctype=CORD for bytes field (generated code). (714f975)
Expand LazySerializerEmitter to cover proto3 cases. (fab7f92)
Unconditionally generate unknown field accessors. (dd8a3cf)
Introduce proto filter for inject_field_listener_events. (2dc5338)
Add ParseFromCord to TextFormat (055a6c6)
Mark proto2::Arena::GetArena as deprecated. (9f95958)

Adds Timestamps.now(). (295f112)
Added Reflection::GetCord() method in C++ (6ecb5d0)
Re-attach OSGI headers to lite,core, and util. This information was dropped in the move from maven to bazel. (4b5652b)
Add Java FileDescriptor.copyHeadingTo() which copies file-level settings (e.g. syntax, package, file options) to FileDescriptorProto.Builder (6e6d0bc)
Remove unnecessary has bits from proto2 Java. (c440da9)
Add casts to make protobuf compatible with Java 1.8 runtime. (d40aadf)
Fix mutability bug in Java proto lite: sub-messages inside of oneofs were not (fa82155)
Document known quirks of EnumDescriptor::is_closed() when importing across files with different syntaxes. (1de344f)

Make json_name take priority over name (fully) in C# parsing (#12262) (4326e0f)
Add C# presence methods to proto3 oneof fields. (affadac)

Fix bug in _internal_copy_files where the rule would fail in downstream repositories. (b36c392)
Make numpy/pip_deps a test-only dependency. (fe038fc)
Fix Python bug with required fields (579f4ab)
Mark deprecated SupportsUnknownEnumValues on Message reflection. Use FieldDescriptor or EnumDescriptor instead. (0b9134b)
Raise warnings for MessageFactory class usages (dd9dd86)
Add Python support for retention attribute (63389c0)
Document known quirks of EnumDescriptor::is_closed() when importing across files with different syntaxes. (1de344f)

Change the Ruby code generator to emit a serialized proto instead of the DSL (#12319) (bd52d04)
Feat(6178): emit ruby enum as integer (#11673) (8aa2b17)

Fix: missing -DPROTOBUF_USE_DLLS in pkg-config (#12700) (1ca4e9c)
Avoid using string(JOIN..., which requires cmake 3.12 (54caf40)
Bump Abseil submodule to 20230125.3 (#12660) (750a6e7)
Fix btree issue in map tests. (9898418)
Fix declared dependencies for pkg-config (#12518) (f79e35c)
Fix build for newlib (#12501) (945bf3c)
Update usage disclaimer on FieldOptions.ctype (b8e7192)
Add config option to print 64-bit integers in JSON as unquoted ints if they can be losslessly converted into a 64-bit float. (330e10d)
Version protoc according to the compiler version number. (e67136d)
Fix shared object ABI exports (#5144) (#11032) (462964e)
Ensure VarintParseSlowArm{32,64} are exported with PROTOBUF_EXPORT (2ce5639)
Update the min required CMake version to 3.10 (bcb20bb)