This is release 1.40.0 (guileless) of gRPC Core.
For gRPC documentation, see grpc.io. For previous releases, see Releases.
This release contains refinements, improvements, and bug fixes, with highlights listed below.
Core
- Update Envoy API to the latest version (2021-07-30). (#26848)
- Enable retries by default. (#26766)
- Add opentelemetry as a submodule for latest xDS API. (#26850)
- Pointing the protobuf submodule to the new URL. (#26811)
- Remove BUILD.gn. (#26822)
- Prevent race causing early-destruction of grpc_winsocket object when creating a TCP connection. (#26642)
- TLS Security Connector: Add an always-fail-handshaker when certificates are not ready. (#26561)
- Enable layering checks in the Bazel build. (#26591)
- Support user provided "scope" in JWT and GDC. (#26577)
C++
- C++ opencensus filter: Fix point of creating context for overall call. (#27238)
- Open census call attempt span name and attribute changes (#26889). (#26957)
- Open census filter: Use new internal stats API and record retry stats. (#26739)
- Add OpenCensus measures and views for retries. (#26751)