gRPC-Core Release 1.53.0

[Mark D. Roth]

This is the 1.53.0 (glockenspiel) release announcement for gRPC-Core and the wrapped languages C++, C#, Objective-C, Python, PHP and Ruby. Latest release notes are here.

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

Core

• xDS: fix crash when removing the last endpoint from the last locality in weighted_target. (#32592)
• filter stack: pass peer name up via recv_initial_metadata batch. (#31933)
• [EventEngine] Add advice against blocking work in callbacks. (#32397)
• [http2] Dont drop connections on metadata limit exceeded. (#32309)
• xDS: reject aggregate cluster with empty cluster list. (#32238)
• Fix Python epoll1 Fork Support. (#32196)
• server: introduce ServerMetricRecorder API and move per-call reporting from a C++ interceptor to a C-core filter. (#32106)
• [EventEngine] Add invalid handle types to the public API. (#32202)
• [EventEngine] Refactoring the EventEngine Test Suite: Part 1. (#32127)
• xDS: fix WeightedClusters total weight handling. (#32134)

C++

• Update minimum MSVC version to 2019. (#32615)
• Use CMake variables for paths in pkg-config files. (#31671)

C#

• Grpc.Tools: Use x86 protoc binaries on arm64 Windows. (#32017)

Python

• Support python 3.11 on aarch64. (#32270)
• Include .pyi file. (#32268)
• De-experimentalize wait-for-ready. (#32143)
• De-experimentalize compression. (#32138)

Ruby

• [ruby]: add pre-compiled binaries for ruby 3.2; drop them for ruby 2.6. (#32089)

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Mark D. Roth <ro...@google.com>
Software Engineer
Google, Inc.