Gin v1.11.0 introduces HTTP/3 support via quic-go, new binding features (including unixMilli/unixMicro and BindPlain), enhanced form handling with array formats and default values, improved context methods for native types and cookies, custom JSON codec support, and numerous bug fixes, dependency updates, performance optimizations, and documentation improvements.

Flask 3.1.2 is a bugfix release addressing issues with async view support in stream_with_context, session state after redirects in the test client, and type hints for send_file with bytes IO—no breaking changes introduced.