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@JelleZijlstra JelleZijlstra released this 18 Feb 02:59
· 18 commits to main since this release
4.10.0rc1
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Release 4.10.0rc1 (February 17, 2024)

  • Add support for PEP 728, supporting the closed keyword argument and the
    special __extra_items__ key for TypedDict. Patch by Zixuan James Li.
  • Add support for PEP 742, adding typing_extensions.TypeIs. Patch
    by Jelle Zijlstra.
  • Drop runtime error when a read-only TypedDict item overrides a mutable
    one. Type checkers should still flag this as an error. Patch by Jelle
    Zijlstra.
  • Speedup issubclass() checks against simple runtime-checkable protocols by
    around 6% (backporting python/cpython#112717, by Alex
    Waygood).
  • Fix a regression in the implementation of protocols where typing.Protocol
    classes that were not marked as @runtime_checkable would be unnecessarily
    introspected, potentially causing exceptions to be raised if the protocol had
    problematic members. Patch by Alex Waygood, backporting
    python/cpython#113401.
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