Log Message:
protobuf py-protobuf: updated to [5.]29.2

Protocol Buffers v29.2

C++

Automated rollback of commit 23aada2.
Remove unused / invalid C++ lazy repeated field code from OSS.

Protocol Buffers v29.1

Python

Revert "Remove deprecated service.py usages from test". For 29.x only

Protocol Buffers v29.0

Compiler

Begin adding extension numbers to SourceCodeInfo and FileDescriptorSet for \ 
tooling purposes. (07e489d)
Update protoc release to include editions language features proto for Go
Introduce lifetimes for individual feature values. (0b6e768)
Windows - Fix handling of utf8 command line arguments
Limit feature deprecation warnings to reduce noise. (5cd9a46)

C++

Fix C++ ifndef_guard printer to also convert "-" to "_". \ 
(7331b77)
Fix C++ codegen namespace printer to print closing namespaces in reverse order. \ 
(3bf9c40)
Fix raw_ptr.cc on exotic architectures
Fix cord handling in DynamicMessage and oneofs. (9e8b30c)
Fix packed reflection handling bug in edition 2023. (4c92328)
Add JsonStreamToMessage method (0259cc3)
Introduce lifetimes for individual feature values. (0b6e768)
Insert software prefetches into merge functions. This improves performance when \ 
hardware prefetchers are disabled on AMD machines. (d993365)
Insert software prefetches into proto parsing functions. This improves \ 
performance when hardware prefetchers are disabled on AMD platforms. (8aa0add)
Add prefetching of subsequent extensions in ExtensionSet::ForEach. (9b019ee)
Remove the AnyMetadata class and use free functions instead. (920d5c3)
Add [[deprecated]] attribute when generating enums and classes. (23aada2)
Use linear search instead of binary search in flat mode of ExtensionSet. (0ed61f0)
Prepare MessageLite::GetTypeName to be upgraded to return (30a8ef5)
Limit feature deprecation warnings to reduce noise. (5cd9a46)
Add Compiler Condition to use inline assembly optimizations with ARM64 for \ 
Compatibility with MSVC
Enable small object optimization (SOO) for RepeatedField in order to reduce data \ 
indirections. (e2525e6)
Return backing array memory to arena in ExtensionSet. (5ac8ee1)
In edition 2024, Enum_Name(value) functions return absl::string_view by default. \ 
(e3fa6aa)
Add Prefetchers to Proto Copy Construct to help address load misses (cdb7238)
Reduced nesting in GenerateByteSize: slight readability improvements in \ 
generated code. (162a740)
Introduce FieldDescriptor::cpp_string_type() API to replace direct ctype \ 
inspection which will be removed in the next breaking change (d0e49df)
Update the comment of TextFormat::Printer::RegisterMessagePrinter that the \ 
method takes ownerhip of the printer pointer. (d911161)
Prepare the code for migrating return types from const std::string& to