Releases
v3.19.0
C++
Make proto2::Message::DiscardUnknownFields() non-virtual
Separate RepeatedPtrField into its own header file
For default floating point values of 0, consider all bits significant
cmake: support MSVC_RUNTIME_LIBRARY
property (#8851 )
Fix shadowing warnings (#8926 )
Fix for issue #8484 , constant initialization doesn't compile in msvc clang-cl environment (#8993 )
Fix build on AIX and SunOS (#8373 ) (#9065 )
Add Android stlport and default toolchains to BUILD. (#8290 )
Java
For default floating point values of 0, consider all bits significant
Annotate //java/com/google/protobuf/util/...
with nullness annotations
Use ArrayList copy constructor (#7853 )
Kotlin
Switch Kotlin proto DSLs to be implemented with inline value classes
Fixing inlining and deprecation for repeated string fields (#9120 )
Python
Proto2 DecodeError now includes message name in error message
Make MessageToDict convert map keys to strings (#8122 )
Add python-requires in setup.py (#8989 )
Add python 3.10 (#9034 )
JavaScript
Skip exports if not available by CommonJS (#8856 )
JS: Comply with CSP no-unsafe-eval. (#8864 )
PHP
Added "object" as a reserved name for PHP (#8962 )
Ruby
Override Map.clone to use Map's dup method (#7938 )
Ruby: build extensions for arm64-darwin (#8232 )
Add class method Timestamp.from_time to ruby well known types (#8562 )
Adopt pure ruby DSL implementation for JRuby (#9047 )
Add size to Map class (#8068 )
Fix for descriptor_pb.rb: google/protobuf should be required first (#9121 )
C#
Correctly set ExtensionRegistry when parsing with MessageParser, but using an already existing CodedInputStream (#7246 )
[C#] Make FieldDescriptor propertyName public (#7642 )
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