Release v1.66.1

This is release gRPC Core 1.66.1 (gladiator).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

• Enable EDS dualstack support by default (#37545)

Release v1.66.0

This is release 1.66.0 (gladiator) 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

• [Python Otel] Manage call tracer life cycle use call arena. (v1.66.x backport). (#37479)
• [BoringSSL] Update third_party/boringssl-with-bazel. (#37223)
• [Dep] Upgrading Protobuf to v27.2. (#36753)
• [Gpr_To_Absl_Logging] Fixing bugs . (#36961)
• [chttp2] don't access endpoint in transport ops if it's already been destroyed. (#36921)

C++

• [OTel C++] Fix race when adding and removing callbacks (#37485). (#37508)
• [RlsLB] Fix Deadlock (#37459). (#37502)

Python

• [Python Distrib] Change warning to RuntimeError for version incompatibility (v1.66.x backport). (#37477)
• Fix issues/36613. (#37022)
• [fix] updated invocation_metadata return type hint. (#36894)
• [Release] Add warning about PyPi latest version not necessarily matching Github latest version. (#36965)

Ruby

• [ruby] Update google-protobuf dep to allow 3.x and 4.x versions. (#36982)
• [ruby] improve the way completion queue pluck operations handle signals and process shutdown. (#36903)

Release v1.66.0-pre5

This is a prerelease of gRPC Core 1.66.0 (gladiator).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.

Release v1.65.5

This is release gRPC Core 1.65.5 (gnarly).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

• [OTel C++] Fix race when adding and removing callbacks (#37509)
• [RlsLB] Fix Deadlock (#37503)
• [Python Otel] Manage call tracer life cycle use call arena. (v1.65.x backport) (#37478)

Release v1.66.0-pre4

This is a prerelease of gRPC Core 1.66.0 (gladiator).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.

Release v1.66.0-pre3

This is a prerelease of gRPC Core 1.66.0 (gladiator).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.

Release v1.66.0-pre2

This is a prerelease of gRPC Core 1.66.0 (gladiator).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This prerelease contains refinements, improvements, and bug fixes.

Release v1.58.3

This is release gRPC Core 1.58.3 (goku).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

• #37359 Fix a bug in hpack error handling

Release v1.65.4

This is release gRPC Core 1.65.4 (gnarly).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

• #37359 Fix a bug in hpack error handling

Release v1.65.3

This is release gRPC Core 1.65.3 (gnarly).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.