Protocol Buffers v27.0-rc2

Announcements

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

Compiler

• Refactored the Java generator into separate packages and targets. (bd81fd9)

C++

• Fix validation checks of implicit presence. (bdf6b10)
• Clarify map behaviors in editions. (61c9187)

Java

• Deprecate building from source with Maven to be removed in 4.28.x. (51b48a4)
• Split bootstrapped java_features.proto to keep it from leaking out. (d56cb7d)
• Refactored the Java generator into separate packages and targets. (bd81fd9)

Other

• Move the windows path length workarounds out of protobuf-ci (9d715cb)
• Update src/file_lists.cmake for staleness (cd337dd)
• Add system_python to protobuf_deps.bzl. (65ee123)
• Migrate bazel tests to protobuf-ci. (1ee203b)
• Fix bazel cache issues in 7.0.0 (16acf7e)