gRPC v1.82.0

This is release gRPC Core 1.82.0 (glacier).

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

This release contains refinements, improvements, and bug fixes. This is release 1.82.0 (glacier) 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

• [call creds] Add support for looking up and attaching regional access boundary policy metadata. (#41594)
• Unregister CFStream callbacks during endpoint shutdown. (#42211)
• Fix fd 0 incorrectly treated as invalid across POSIX socket code. (#41764)
• [xDS] enable new ORCA-to-LRS propagation behavior (gRFC A85). (#42411)
• [RetryFilter::LegacyCallData]: avoid tripping abseil nullopt assertion. (#42405)
• [xds] Implement A114: WRR support for custom backend metrics. (#41750)
• [Core] Upgrade to protobuf 35 (#42512)

PHP

• [Backport][v1.82.x][PHP] Add PIE support for PHP extention. (#42873)

Python

Added 2026-07-12: CAUTION! This gRPC Python release 1.82.0 was yanked from PyPI on 2026-07-07 due to issue https://github.com/grpc/grpc/issues/42906.

• [Python] [Pyright] Part 2 - Pyright for src/python/grpcio/grpc/aio/_call.py. (#42272)
• [Python][aio] Fix issue #42393: 100% CPU when Python run with -O flag. (#42470)
• [Python] [Typeguard] Part 6 - Add Typeguard SYNC Stack in tests. (#40353)
• [Python] [Pyright] Part 3 - Pyright for src/python/grpcio/grpc/aio/_metadata.py. (#42273)
• [Python] Cancel calls without closing channels in fork child. (#41784)
• [Python] Migrated to protobuf 3.35.

Ruby

• [Ruby] Implemented Pure Ruby Call Credentials. (#41946)
• [Ruby] Fix Ruby interceptors not running in FIFO order. (#42346)