gRPC-Core Release 1.41.0

[Donna Dionne]

This is 1.41.0 (goat) release announcement for gRPC-Core and the wrapped languages C++, C#, Objective-C, Python, PHP and Ruby. Latest release notes are here.

Core

• De-experimentalize XdsCredentials and XdsServerCredentials API. (#26544)
• xDS: Remove environmental variable guard for security. (#27290)
• xDS Security: Use new way to fetch certificate provider plugin instance config. (#27264)
• xDS server serving status: Use a struct to allow more fields to be added in the future. (#27242)
• Annotate impl/codegen with IWYU pragmas. (#27252)
• Update submodule envoy-api to origin/main. (#27256)
• Upgrade third_party/protobuf to v3.17.3. (#27227)
• update submodule boringssl-with-bazel with origin/master-with-bazel. (#27208)
• Delete libuv-iomgr implementation and GRPC_UV build option. (#27188)
• Allow access to Google API regional endpoints via Google Default Credentials. (#27155)
• Remove GPR_*_TLS macros except PTHREAD. (#26974)
• Limit initial window size increases and per-stream window delta. (#26342)

C++

• Bump version to v1.41.0-pre1. (#27371)
• De-experimentalize XdsServerBuilder. (#27296)
• C++ opencensus filter: Fix point of creating context for overall call. (#27221)
• Flag grpc++_test library testonly. (#27214)
• Add note on officially supported platforms. (#22344)
• Open census call attempt span name and attribute changes (#26889). (#26902)
• Open census call attempt span name and attribute changes. (#26889)

C#

• Backport #27382 to v1.41.x. (#27398)
• [csharp] Fix error loading library grpc_csharp_ext.*.dll on windows with non-ASCII encoding. (#26762)
• Annotate copied Content native lib items with package id to enable customization. (#26725)

Objective-C

• Objective-C: Fix issue with creating a Unix file socket. (#26931)

Python

• Use manylinux_2_17 instead of manylinux_2_24 tag for manylinux2014 aarch64 wheels. (#27280)
• Add Python 3.10 drop 3.5. (#26074)
• [Aio] Remove custom IO manager support. (#27090)