gRPC - v1.59.0

This is release 1.59.0 (generative) 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

• [Release] Bump core version 202309251628. (#34476)
• [xds ssa] Remove environment variable protection for stateful affinity. (#34435)
• [windows DNS] Simplify c-ares Windows code. (#33965)
• [c-ares] fix spin loop bug when c-ares gives up on a socket that still has data left in its read buffer. (#34185)
• [Deps] Adding upb as a submodule. (#34199)
• [EventEngine] Update Cancel contract on closure deletion timeline. (#34167)

C#

• [csharp codegen] Handle empty base_namespace option value to fix #34113. (#34137)

Python

• [Python 3.12] Support Python 3.12. (#34398)
• [Python 3.12] Deprecate distutil. (#34186)

Ruby

• [ruby] Fix linking errors on x86-darwin. (#34134)
• [Ruby] replace strdup with gpr_strdup. (#34177)
• [ruby] drop ruby 2.6 support. (#34198)