Protocol Buffers v25.5

Announcements

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

C++

• Fix cord handling in DynamicMessage and oneofs. (#18375) (e673479)

Java

• Add recursion check when parsing unknown fields in Java. (4728531)

Python

• Fixed a SEGV when deep copying a non-reified sub-message. (94a2663)