Protocol Buffers v27.0-rc3

Announcements

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

Compiler

• Add extension declarations for known features. (f8d0a5b)

Java

• Add java to reserved names to escape extensions to java_. This may break existing references to gencode for extensions named java. (c18cb95)

Python

• Add temporary alias for system_python.bzl at previous location . (#16787) (ffd753f)

Other

• Work around windows path length limitations by moving immutable -> full in open source (new generator paths) and shortening long file names. (#16825) (615e704)