What's Changed

• Update minimum Go version from 1.25.0 to 1.26.0 by @johanbrandhorst in https://github.com/grpc-ecosystem/grpc-gateway/pull/7269
• fix(openapiv2): omit oneof siblings of path parameters from query parameters by @hsdfat in https://github.com/grpc-ecosystem/grpc-gateway/pull/7207
• fix: import response type package when response_body is set by @MicBun in https://github.com/grpc-ecosystem/grpc-gateway/pull/7225
• openapiv3: add extension (x-*) support by @Abmun in https://github.com/grpc-ecosystem/grpc-gateway/pull/7237
• docs: add a security considerations page by @cleitonaugusto in https://github.com/grpc-ecosystem/grpc-gateway/pull/7282
• fix(openapiv2): emit map key type in query parameter names by @iamrajiv in https://github.com/grpc-ecosystem/grpc-gateway/pull/7307
• Fix template_test format strings by @skitt in https://github.com/grpc-ecosystem/grpc-gateway/pull/7323
• Add edition 2026 support by @printfn in https://github.com/grpc-ecosystem/grpc-gateway/pull/7352
• fix(openapiv2): emit a primitive type for well-known object query parameters by @iamrajiv in https://github.com/grpc-ecosystem/grpc-gateway/pull/7351
• reject out-of-range numeric enum query values in parseField by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7369
• feat(protoc-gen-openapiv3): support response_body binding by @tobiaskohlbau in https://github.com/grpc-ecosystem/grpc-gateway/pull/7371
• clamp overflowing grpc-timeout to max duration by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7382
• validate forwarded header values before adding to grpc metadata by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7390
• reject out-of-range enum numbers in jsonpb non-proto decoder by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7397
• fix(openapiv2): emit minItems and maxItems on query parameters by @wofiporia in https://github.com/grpc-ecosystem/grpc-gateway/pull/7389
• reject grpc-metadata headers mapping into reserved grpcgateway- namespace by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7401
• parse integer and enum path params as base 10 in convert.go by @itecz26 in https://github.com/grpc-ecosystem/grpc-gateway/pull/7405
• protoc-gen-openapiv2: allow proto files without a go_package option by @cipherprofessor in https://github.com/grpc-ecosystem/grpc-gateway/pull/7409
• runtime: deep wildcard (**) must not match zero segments after a preceding literal by @cipherprofessor in https://github.com/grpc-ecosystem/grpc-gateway/pull/7412

New Contributors

• @MicBun made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7225
• @Abmun made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7237
• @cleitonaugusto made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7282
• @skitt made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7323
• @itecz26 made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7369
• @tobiaskohlbau made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7371
• @wofiporia made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7389
• @cipherprofessor made their first contribution in https://github.com/grpc-ecosystem/grpc-gateway/pull/7409

Full Changelog: https://github.com/grpc-ecosystem/grpc-gateway/compare/v2.30.0...v2.31.0