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Release v1.78.1

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@asheshvidyut asheshvidyut released this 20 Feb 00:30
· 4 commits to v1.78.x since this release
v1.78.1
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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)
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