PyPI · #211 most downloaded on PyPI

grpcio-tools

1.84.0138M downloads/mogrpc/grpc ↗New releases in your daily digest, changelog included.

Protobuf code generator for gRPC

Last release 20 days ago
14 Sep 2026
Ships fairly regularly
a new release about every 2 weeks
Nearly every release is documented
notes for 59 of the last 60 stable releases
10 versions withdrawn
withdrawn after publishing
10 years old
268 releases · first in 2016

Release timeline

268 releases since 2016

2016201820202022

Releases

1.84.014 Sept 2026
This is release 1.84.0 ( gimbal ) of gRPC Core.
This is release 1.84.0 (gimbal) 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

[promise_based_filter] enable v2_non_owning_waker_implementation experiment. (#43253)

[xDS] allow server listener address to match wildcard port. (#43247)

[WRR] remove env var guard for custom backend metrics. (#43198)

[subchannel] enable connection scaling service config fields. (#43116)

[subchannel] add metrics as per A94. (#43140)

Fix incorrect hostname suffix matching in no_proxy handling (prevents proxy bypass). (#41915)

C#

[C# Grpc.Tools] Add native macOS ARM64 support via universal binaries. (#41222)

Python

[Python] Fix -Werror=unused-result error triggered by Cythonized code. (#43313)

[Python] Release Python 3.15 wheels publicly. (#43259)

[Python][AsyncIO] Fixed reference cycles. (#43121)

[Python] fix: remove ghost key in grpc.aio.Metadata.delitem when last value is deleted. (#42974)

[Python] Fix the StatusCode Enums to be int. (#43167)

[Python] Fixed the parenthesis placement. (#43111)

[Python] Removed UsageError exception from registered method. (#43086)

[Python] Added registered methods support in AsyncIO stack . (#41796)

[Python] AIO Part 4 - Typehints fixes and add Pyright for aio/_channel.py. (#42736)

[Python] grpc-status: Relax protobuf dependency lower bound to allow 6.x. (#43000)

[Python] Observability plugin fixes. (#42785)

Ruby

[Ruby] Fix: Addressed Array of strings passed as metadata. (#42827)

From the same repository

grpc/grpc

1.84.0rc29 Sept 2026pre-release

This is a prerelease of gRPC Core 1.84.0 (gimbal).

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

This is a Python-only pre-release that introduces pre-built wheels for Python 3.15.

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Additional notes

Release v1.84.0-pre2 Pre-release

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1.84.0rc18 Sept 2026pre-release

This is a prerelease of gRPC Core 1.84.0 (gimbal).

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

This prerelease contains refinements, improvements, and bug fixes.

Open source →

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Release v1.84.0-pre1 Pre-release

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1.83.023 Jul 2026

This is release 1.83.0 ( garden ) of gRPC Core.

This is release 1.83.0 (garden) 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

[Security] Default to Post-Quantum Cryptography in TLS key exchange. (#42560)
[authz] don't pass RBAC policy by value when constructing authorization engine. (#42636)

C#

Migrate CSharp Grpc.Tools to new DotNet Version. (#42661)
[C#] Tools - Build: Fix protoc SIGSEGV on ARM64 by aligning max-page-size and migrating to manylinux_2_28. (#42590)

Python

[Backport][v1.83.x][Python] grpc-status: Relax protobuf dependency lower bound to allow 6.x. (#43001)
[Python] Add abort_with_status to the aio ServicerContext ABC. (#42733)
[Python] Update lower bound for protobuf from 6.33.5 to 7.35.1. (#42914)
[Python] Pyright typeCheckingMode - standard. (#42739)
[Python] Support Python 3.15 - Upgrade bazel dep rules_python to 2.0.2. (#42637)
[Python] Hide internal symbols from Python's cygrpc shared object. (#42325)
[Python] Handle custom Interceptor exceptions in InterceptedCall APIs . (#42593)

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Release v1.83.0

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1.83.0rc113 Jul 2026pre-release

This is a prerelease of gRPC Core 1.83.0 (garden).

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

This prerelease contains refinements, improvements, and bug fixes.

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Release v1.83.0-pre1 Pre-release

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1.82.18 Jul 2026

This is release gRPC Core 1.82.1 (glacier).

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

This release contains refinements, improvements, and bug fixes.

What's Changed

Python

[Backport][v1.82.x][Python] Update lower bound for protobuf from 6.33.5 to 7.35.1 by @asheshvidyut in #42920

Full Changelog: v1.82.0...v1.82.1

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Release v1.82.1

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1.82.06 Jul 2026withdrawn: Bad protobuf dependency version specified; only 7.x should be supported https://github.com/grpc/grpc/issues/42906

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 #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)

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Release v1.82.0

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1.82.0rc229 Jun 2026pre-release

This is a prerelease of gRPC Core 1.82.0 (glacier).

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

This prerelease contains refinements, improvements, and bug fixes.

Open source →

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Release v1.82.0-pre2 Pre-release

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1.82.0rc117 Jun 2026pre-release

This is a prerelease of gRPC Core 1.82.0 (glacier).

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

This prerelease contains refinements, improvements, and bug fixes.

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Additional notes

Release v1.82.0-pre1 Pre-release

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1.81.111 Jun 2026

This is release 1.81.0 ( graphic ) of gRPC Core.

This is release 1.81.0 (graphic) 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

[EventEngine] Fix a potential use-after-free error on Windows. (#42078)
[ssl] Server side handshaker factory stores a map of key signers. (#42002)
[Core] Fix completion queue shutdown race on weak memory models (ARM). (#41510)
[EventEngine] Fix a Windows race that causes an assertion error. (#41563)
[grpc_error] enable error_flatten experiment in OSS. (#41471)

Objective-C

[ObjC] Add receiveNextMessage to GRPCUnaryProtoCall. (#42260)

Python

[Python] Add typing_extensions dep to aio Bazel target. (#42001)
[Python] [Pyright] Part 1 - Pyright for src/python/grpcio/grpc/aio/_base_server.py. (#42240)
[Python] Drop 3.9. (#42145)
[Python] grpc-status: Relax protobuf dependency upper bound to allow 7.x. (#41948)
[Python] [Typeguard] Part 5 - Add Typeguard SYNC Stack in tests. (#40278)
[Python] Remove GIL from ReceiveMessageOperation.un_c method. (#41812)
[Python] Support observability in AsyncIO stack. (#41573)
[Python] Trim Python2 backward compatiblity syntax - removed (object) inheritance. (#41708)

Ruby

[Ruby] Drop support for EOL Ruby 3.1 and clean up. (#41435)
[Ruby] Composed CallCredentials keep a reference to their source. (#41782)

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Release v1.81.1

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1.81.01 Jun 2026

This is release 1.81.0 ( graphic ) of gRPC Core.

This is release 1.81.0 (graphic) 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

[EventEngine] Fix a potential use-after-free error on Windows. (#42078)
[ssl] Server side handshaker factory stores a map of key signers. (#42002)
[Core] Fix completion queue shutdown race on weak memory models (ARM). (#41510)
[EventEngine] Fix a Windows race that causes an assertion error. (#41563)
[grpc_error] enable error_flatten experiment in OSS. (#41471)

Objective-C

[ObjC] Add receiveNextMessage to GRPCUnaryProtoCall. (#42260)

Python

[Python] Add typing_extensions dep to aio Bazel target. (#42001)
[Python] [Pyright] Part 1 - Pyright for src/python/grpcio/grpc/aio/_base_server.py. (#42240)
[Python] Drop 3.9. (#42145)
[Python] grpc-status: Relax protobuf dependency upper bound to allow 7.x. (#41948)
[Python] [Typeguard] Part 5 - Add Typeguard SYNC Stack in tests. (#40278)
[Python] Remove GIL from ReceiveMessageOperation.un_c method. (#41812)
[Python] Support observability in AsyncIO stack. (#41573)
[Python] Trim Python2 backward compatiblity syntax - removed (object) inheritance. (#41708)

Ruby

[Ruby] Drop support for EOL Ruby 3.1 and clean up. (#41435)
[Ruby] Composed CallCredentials keep a reference to their source. (#41782)

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Release v1.81.0

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1.81.0rc118 May 2026pre-release

This is a prerelease of gRPC Core 1.81.0 (graphic).

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

This prerelease contains refinements, improvements, and bug fixes.

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Release v1.81.0-pre1 Pre-release

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1.80.030 Mar 2026

This is release 1.80.0 ( glimmering ) of gRPC Core.

This is release 1.80.0 (glimmering) 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

[ssl] Implement TLS private key signer in Python. (#41701)
[TLS Credentials]: Private Key Offload Implementation. (#41606)
Fix max sockaddr struct size on OpenBSD. (#40454)
[core] Enable EventEngine for Python by default, and EventEngine fork support in Python and Ruby. (#41432)
[TLS Credentials]: Create InMemoryCertificateProvider to update certificates independently. (#41484)
[Ruby] Build/test ruby 4.0 and build native gems with Ruby 4.0 support. (#41324)
[EventEngine] Remove an incorrect std::move in DNSServiceResolver constructor. (#41502)
[RR and WRR] enable change to connect from a random index. (#41472)
[xds] Implement gRFC A101. (#41051)

C++

[C++] Add SNI override option to C++ channel credentials options API. (#41460)

C#

[C# tools] Option to append Async to server side method names #39010. (#39797)

Objective-C

[Fix][Compiler] Plugins fall back to the edition 2023 for older protobuf. (#41357)

PHP

[PHP] Disable php infinite recursion check for callback from Core to PHP. (#41835)
[PHP] Fix runtime error with PHp8.5 alpha because zend_exception_get_defaul…. (#40337)

Python

[Python] Fix GRPC_TRACE not working when absl log initialized in cython. (#41814)
Revert "[Python] Align GRPC_ENABLE_FORK_SUPPORT env defaults in core and python (#41455)". (#41769)
[Python] Fix AsyncIO Server maximum_concurrent_rpcs enforcement preventing negative active_rpcs count. (#41532)
[Python] Docs: correct grpc.Compression references. (#41705)
[Python] [Typeguard] Part 4 - Add Typeguard to AIO stack in tests . (#40226)
[Python] Fix multi-thread exception for Asyncio gRPC clients - Fixes #25364. (#41483)
[Python] Resolve absl::InitializeLog warning. (#39779)
[Python] Remove IF usage in Cython. (#41400)
[Python] Add language features to exported proto files. (#41501)
[Python] Fix crash when iterating on AIO Metadata keys(), values(), items() or list(metadata.values()) etc. . (#41481)
[Python] Modernize and revamp Public API Docs. (#41287)

Ruby

[Ruby] Added support to push native-debug packages off rubygems to public gcs bucket. (#41270)

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Release v1.80.0

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1.78.120 Feb 2026withdrawn: https://github.com/grpc/grpc/issues/41725

This is release 1.78.1 (gutsy) 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.

Python

Added 2026-03-12:
CAUTION! This gRPC Python release 1.78.1 was yanked from PyPI on 2026-02-26 due to issue #41725.

[REVERTED] Remove unintentional log WARNING: All log messages before absl::InitializeLog() is called are written to STDERR. (#41639)
[REVERTED] Fix inconsistent GRPC_ENABLE_FORK_SUPPORT runtime defaults between gRPC Core and Python. (#41588).
- This fixed #37710, a request processing hang in certain multithreaded environments: Other threads are currently calling into gRPC, skipping fork() handlers.
Modernize the API Docs site: https://grpc.github.io/grpc/python. (#41494)

Ruby

Build/test ruby 4.0 and build native gems with Ruby 4.0 support. (#41554)

Open source →

1.78.06 Feb 2026

This is release 1.78.0 (gutsy) 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.

C++

adding address_sorting dep in naming test build. (#41045)

Objective-C

[Backport][v1.78.x][Fix][Compiler] Plugins fall back to the edition 2023 for older protobuf. (#41358)

Python

[python] aio: fix race condition causing asyncio.run() to hang forever during the shutdown process. (#40989)
[Python] Migrate to pyproject.toml build system from setup.py builds. (#40833)
[Python] Log error details when ExecuteBatchError occurs (at DEBUG level). (#40921)
[Python] Update setuptools min version to 77.0.1 . (#40931)

Ruby

[ruby] Fix version comparison for the ruby_abi_version symbol for ruby 4 compatibility. (#41061)

Open source →

1.76.021 Oct 2025

This is release 1.76.0 (genuine) 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

Prioritize system CA over bundled CA. (#40583)
[event_engine] Introduce a event_engine_poller_for_python experiment. (#40243)
[metrics] add grpc.lb.backend_service label. (#40486)

C#

[csharp tools] #39374 Grpc.Tools can't process file Suffix name with Upper character. (#40072)

Python

[Python] gRPC AsyncIO: Improve CompletionQueue polling performance. (#39993)

Open source →

1.75.126 Sept 2025Deprecated

Note: using async methods outside of a running event loop is discouraged by Python, and will be deprecated in future gRPC releases. Please use the asy…

This is release gRPC Core 1.75.1 (gemini).

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

This release contains refinements, improvements, and bug fixes.

What's Changed

Python

Release grpcio wheels with Python 3.14 support (#40403)
Asyncio: fixes grpc shutdown race condition occurring during python interpreter finalizations. (#40447)
- This also addresses previously reported issues with empty error message on Python interpreter exit (Error in sys.excepthook:/Original exception was: empty): #36655, #38679, #33342
Python 3.14: preserve current behavior when using grpc.aio async methods outside of a running event loop. (#40750)
- Note: using async methods outside of a running event loop is discouraged by Python, and will be deprecated in future gRPC releases. Please use the asyncio.run() function (or asyncio.Runner for custom loop factories). For interactive mode, use dedicated asyncio REPL: python -m asyncio.

Full Changelog: https://github.com/grpc/grpc/compare/v1.75.0...v1.75.1

Open source →

1.75.016 Sept 2025

This is release 1.75.0 (gemini) 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

[Security] Cherry Pick Spiffe Verification. (#40515)
[Python][Typeguard] Part 3 - Add Typeguard to AIO stack in tests. (#40217)
[c-ares] update version to 1.34.5. (#39508)
[pick_first] fix bug that caused us to stop attempting to connect. (#40162)

C++

[OTel C++] Implement retry metrics. (#39195)

Objective-C

Fix data race by adding custom getter for state property with @synchronized locking. (#40146)

Python

gRPC Python (grpcio) now depends on typing-extensions~=4.13. (#40137)
Update musllinux wheels from musllinux_1_1 to musllinux_1_2. (#40317)
- Dropping musllinux_1_1 because it reached EOL in November 2024
- Reference on musllinux platform tags: PEP 656
grpc.aio typehint fixes. (#40215, #40217)
- Metadata type validation: Fixed metadata handling to support all sequence types (not just tuples), preventing runtime errors. Enhanced metadata type validation: isinstance(metadata, Sequence) instead of isinstance(metadata, tuple)
- Serializer parameters: Changed to Optional[SerializingFunction] for more accurate type representation
- Fixing the error in public API: ClientCallDetails.method was declared as str but always called with bytes, see InterceptedUnaryUnaryCall.
Fixes issue #40325 with grpcio failing to install on all non-Mac Apple devices internal builds. (#40347)

Ruby

Ruby: Mark credential object in channel. (#40394)
[Ruby] Add rubygems support for linux-gnu and linux-musl platforms. (#39549)

Open source →

1.74.024 Jul 2025

This is release 1.74.0 (gee) 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

[OTel C++, Posix EE] Plumb TCP write timestamps and metrics to OTel tracers. (#39946)
[event_engine] Implement fork support in Posix Event Engine. (#38980)
[http2] Fix GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES for when BDP is disabled. (#39585)

Objective-C

[dep] Upgrade Protobuf Version 31.1. (#39916)

PHP

[PHP] Fully qualify stdClass with global namespace. (#39996)
[php] Fix PHPDoc so that UnaryCall defines the proper return type. (#37563)
fix typing of nullable parameters. (#39199)

Python

[EventEngine] Fix the issue with gRPC Python Client not reconnecting in certain situations: #38290, #39113, #39631. (#39894)
Fix gRPC Python docs website layout - use spaces optimally. (#40073)

Ruby

[Ruby] Add rubygems support for linux-gnu and linux-musl platforms . (#40174)
[ruby] enable EE fork support. (#39786)
[ruby] Return nil for c functions expected to return a VALUE. (#39214)
[ruby] remove connectivity state watch thread, fix cancellations from spurious signals. (#39409)
[ruby] Drop Ruby 3.0 support. (#39607)

Open source →

1.73.09 Jun 2025Deprecated

[OpenCensus] Mark OpenCensus and dependent APIs as deprecated.

This is release 1.73.0 (gradient) 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

As of this version, gRPC on MacOS & iOS will utilize Abseil's synchronization features, aligning it with other platforms. Should you encounter any issues due to this update, you can disable it by enabling GPR_DISABLE_ABSEIL_SYNC. If you do this, please report any problems by filing a bug at https://github.com/grpc/grpc.

[Dep] Update Protobuf to v31.0. (#39392)
[Core] Added GPR_DISABLE_ABSEIL_SYNC. (#39562)
[xds_override_host] pass through per-endpoint args when creating subchannels. (#39532)
Expose GRPC_OPENSSL_CLEANUP_TIMEOUT to control shutdown grace period. (#39297)
[URI] fix parsing of user_info in proxy settings. (#39004)
[EventEngine] Fix busy loop in thread pool when shutting down. (#39258)
[Dep] Added a flag to build with openssl instead of boringssl. (#39188)
[EventEngine] Cleanup: EventEngine client, listener, and dns experiments are on by default on all platforms. (#39079)

C++

[OpenCensus] Mark OpenCensus and dependent APIs as deprecated. (#39554)

Python

[Python] Pin Cython to 3.1.1. (#39609)
[Python] grpc_tools: make PythonGrpcGenerator handle dot . in proto paths the same way as native Generator/PyiGenerator. (#39586)

Ruby

[Ruby] add remove_unused_artifacts to opt build. (#39593)

Open source →

1.72.12 Jun 2025

This is release gRPC Core 1.72.1 (gusto).

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

This release contains refinements, improvements, and bug fixes, with highlights listed below.

C++

[Backport of #39266 to v1.71.x] Protect grpc generated sources from unwanted system macros (#39484).

Python

[Backport of #39609 to v1.71.x] Pin Cython to 3.1.1 (#39632). This addresses several issues:
- #39588 Using inconsistent Cython version in released platform-specific wheels within the same grpcio release.
- cython/cython#6878 Several published grpcio wheels were built with Cython 3.1.0 and are affected by Cython memory leak issue when using AsyncIO APIs (grpc.aio.*).
[Backport of #39418 to v1.71.x] Fix Python 3.12 MacOS universal release artifact (#39504).

Open source →

1.71.228 Jun 2025

This is release 1.71.2 (gears) 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.

C++

[Backport of #39266 to v1.71.x] Protect grpc generated sources from unwanted system macros (#39484).

Python

[Backport of #39894 to v1.71.x] Fix the issue with gRPC Python Client not reconnecting in certain situations: #38290, #39113, #39631 (#39948).
[Backport of #39609 to v1.71.x] Pin Cython to 3.1.1 (#39636). This addresses several issues:
- #39588 Using inconsistent Cython version in released platform-specific wheels within the same grpcio release.
- cython/cython#6878 Several published grpcio wheels were built with Cython 3.1.0 and are affected by Cython memory leak issue when using AsyncIO APIs (grpc.aio.*).

Open source →

1.71.010 Mar 2025Deprecated

[CodeGen][CPP] Added support for service "deprecated" option.

This is release gRPC Core 1.71.0 (gears).

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

This release contains refinements, improvements, and bug fixes.

Core

[CallAttemptTracer] Fix call attempt tracer lifetimes for retries (#38729). (#38796)
[pick_first] fix bug that caused us to stop triggering connection attempts. (#38714)
[CodeGen][CPP] Added support for service "deprecated" option. (#38493)
[EventEngine] Add SetDefaultEventEngine API (and friends). (#38316)

C++

[build] Restrict grpc++_public_hdrs target to internal visibility. (#38646)
[Doc] Added C++17 cmake option. (#38432)

Python

[CI] Drop Python 3.8. (#38747)
[Python] Support musl-linux binary wheels on arm64. (#38223)

Ruby

[ruby] Build/test ruby 3.4 and build native gems with Ruby 3.4 support. (#38338)

Open source →

1.70.023 Jan 2025

This is release 1.70.0 (genius) 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

[BoringSSL] Update third_party/boringssl-with-bazel. (#38274)

C++

gRPC C++ begins to require C++17 or later to build and use gRPC C++. You may need the following settings:
- CMake: Add CMAKE_CXX_STANDARD=17 to your CMake build command.
- Bazel: Add --cxxopt='/std:c++17' and --host_cxxopt='/std:c++17' to your Bazel build command.
- gRPC 1.69, the final version compatible with C++14, will be supported until December 10, 2025, according to https://github.com/grpc/proposal/blob/master/L120-requiring-cpp17.md.

Python

Added 2025-06-27:
CAUTION! This release contains a known defect in gRPC Python client reconnection logic (#38290), which was fixed in v1.71.2, v1.72.2, v1.73.1, and all subsequent releases. We recommend upgrading.

Open source →

1.69.05 Jan 2025

This is release 1.69.0 (gridiron) 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

[Alarm] Fix Alarm reuse on cancellation. (#38114)
[xDS RBAC] Support string_match in HeaderMatcher. (#38185)
[pick_first] fix shutdown bug in new PF impl. (#38144)
[c-ares] Fix inverted length check in GrpcPolledFdWindows. (#38101)
[RetryFilter] Copy the SliceBuffer from RetryFilter's cache to batch payload. (#38069)
[EventEngine] Add stronger wording on Endpoint::Read contract. (#38036)
[chttp2] Fix channelz address. (#38022)
[XdsClient] Add missing authority to XdsClient metrics scope. (#38009)
[EventEngine] API contract: Endpoint::Read will provide either an error or data, but never both. (#38019)
[Build] Dropped Bazel 6.x support. (#37979)

Python

[Build] Override MACOSX_DEPLOYMENT_TARGET for gRPC Python. (#37997)

Open source →

1.68.12 Dec 2024

This is release 1.68.1 (groovy) 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

[xDS RBAC] Support string_match in HeaderMatcher (#38185). (#38198)

Python

Open source →

1.68.016 Nov 2024

This is release 1.68.0 (groovy) 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

[XdsClient][Backport] Add missing authority to XdsClient metrics scope (#38009). (#38023)
[Release] Bump core version in preparation for 1.68 Branch Cut. (#37941)
[ConfigFetcher] Set HTTP2 error to NO_ERROR to do graceful GOAWAYs. (#37939)
[ruby] reduce INFO log for server CQ pluck registration to DEBUG. (#37633)
[EventEngine] Enable the PosixEventEngine client experiment. (#35985)
[chttp2_server] Fix race between connection starting and it being orphaned. (#37683)
[Chttp2Server] Fix race between connection manager updates and handshake. (#37772)
[xds] Fix XdsClient race between ResourceDoesNotExist timer and receiving resources. (#37678)

C++

[Build] Minimum version of MSVC is now 2022. (#37687)
[Build] Bumped the minimum version of cmake. (#37702)

Python

Add templating and support for Python 3.13. (#37643)

Open source →

1.67.016 Oct 2024

This is release 1.67.0 (gesundheit) 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

[ruby] reduce an INFO log to DEBUG (backport https://github.com/grpc/grpc/pull/37633). (#37686)
[release] Bump core version to 44.0.0. (#37661)
[RlsLB] Fix Deadlock. (#37459)
[Python Otel] Manage call tracer life cycle use call arena. (#37460)

C++

[OTel C++] Fix race when adding and removing callbacks. (#37485)

Python

[Backport to 1.67.x] Add templating and support for Python 3.13 (#37643). (#37803)
Add templating and support for Python 3.13. (#37643)
[Python Distrib] Change warning to RuntimeError for version incompatibility. (#37466)
[reflection]: python: reflection returns original_request. (#36944)

Ruby

[ruby] drop ruby 2.7 support. (#37430)
[ruby] reduce ruby gpr_log invocations from INFO to DEBUG. (#37426)
[ruby] refactor flaky test and expose cancel_with_status. (#37410)

Open source →

1.66.228 Sept 2024

This is release gRPC Core 1.66.2 (gladiator).

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

This release contains refinements, improvements, and bug fixes.

What's Changed

Python

Added support for Python 3.13 and templating system for supported Python versions (#37643)

Full Changelog: https://github.com/grpc/grpc/compare/v1.66.1...v1.66.2

Open source →

1.66.022 Aug 2024

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)

Open source →

1.65.011 Jul 2024withdrawn: https://github.com/grpc/grpc/issues/37178Deprecated

[OTel C++] Deprecate SetTargetAttributeFilter method on OpenTelemetryPluginBuilder.

This is release gRPC Core 1.65.0 (gnarly).

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

This release contains refinements, improvements, and bug fixes.

This is release 1.65.0 (gnarly) 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

[OTPlugin] Per-channel OpenTelemetry plugin. (#36729)
[Gpr_To_Absl_Logging] Migrating from gpr to absl logging - gpr_set_log_function. (#36844)
[grpc][Gpr_To_Absl_Logging] Supporting verbosity flag. (#36798)
[build] Support clang-cl for Windows builds (best effort). (#36831)
[grpc][Gpr_To_Absl_Logging] Disable the ConfigVar because it wont work anymore. (#36761)
[BoringSSL] Update third_party/boringssl-with-bazel. (#36716)
[http2] Add experiment to modify behavior of GRPC_ARG_HTTP2_MAX_PINGS_WITHOUT_DATA to throttle pings instead of blocking. (#36374)
[xDS] fix "tls" channel cred in bootstrap to actually work. (#36726)
[StatsPlugin] Fix use-after-free issue. (#36664)
[EventEngine] Enable the EventEngine DNS Resolver on Windows. (#36286)

C++

[OTel] Generate pkg-config file for grpcpp_otel_plugin. (#36686)
[OTel] Add find_package call for OTel dependency in installed gRPC configuration. (#36674)
[OTel C++] Deprecate SetTargetAttributeFilter method on OpenTelemetryPluginBuilder. (#36567)
[security] Add notices for functions we will be removing. (#36488)

Objective-C

Replace bind() targets with alias() ones. (#35272)

Python

[Python O11y] Implement CSM observability for Python. (#36557)
[Python AIO] Return EOF from UnaryStreamCall.read() as documented. (#36660)
[Python Otel] Deprecate target_attribute_filter. (#36697)
[Python Server] Remove abstractmethod notation for add_registered_method_handlers. (#36684)

Ruby

[ruby] backport "Update google-protobuf dep to allow 3.x and 4.x versions (#36982)" to 1.65.x. (#37001)
[ruby] backport "[ruby] improve the way completion queue pluck operations handle signals and process shutdown #36903". (#36916)

Open source →