Sourced from typing-extensions's releases.

4.13.2

• Fix TypeError when taking the union of typing_extensions.TypeAliasType and a typing.TypeAliasType on Python 3.12 and 3.13. Patch by Joren Hammudoglu.
• Backport from CPython PR #132160 to avoid having user arguments shadowed in generated __new__ by @typing_extensions.deprecated. Patch by Victorien Plot.

4.13.1

This is a bugfix release fixing two edge cases that appear on old bugfix releases of CPython.

Bugfixes:

• Fix regression in 4.13.0 on Python 3.10.2 causing a TypeError when using Concatenate. Patch by Daraan.
• Fix TypeError when using evaluate_forward_ref on Python 3.10.1-2 and 3.9.8-10. Patch by Daraan.

4.13.0

New features:

• Add typing_extensions.TypeForm from PEP 747. Patch by Jelle Zijlstra.
• Add typing_extensions.get_annotations, a backport of inspect.get_annotations that adds features specified by PEP 649. Patches by Jelle Zijlstra and Alex Waygood.
• Backport evaluate_forward_ref from CPython PR #119891 to evaluate ForwardRefs. Patch by Daraan, backporting a CPython PR by Jelle Zijlstra.

Bugfixes and changed features:

• Update PEP 728 implementation to a newer version of the PEP. Patch by Jelle Zijlstra.
• Copy the coroutine status of functions and methods wrapped with @typing_extensions.deprecated. Patch by Sebastian Rittau.
• Fix bug where TypeAliasType instances could be subscripted even where they were not generic. Patch by Daraan.
• Fix bug where a subscripted TypeAliasType instance did not have all attributes of the original TypeAliasType instance on older Python versions. Patch by Daraan and Alex Waygood.
• Fix bug where subscripted TypeAliasType instances (and some other subscripted objects) had wrong parameters if they were directly subscripted with an Unpack object. Patch by Daraan.
• Backport to Python 3.10 the ability to substitute ... in generic Callable aliases that have a Concatenate special form as their argument. Patch by Daraan.
• Extended the Concatenate backport for Python 3.8-3.10 to now accept Ellipsis as an argument. Patch by Daraan.
• Fix backport of get_type_hints to reflect Python 3.11+ behavior which does not add

... (truncated)

Sourced from typing-extensions's changelog.

Release 4.13.2 (April 10, 2025)

• Fix TypeError when taking the union of typing_extensions.TypeAliasType and a typing.TypeAliasType on Python 3.12 and 3.13. Patch by Joren Hammudoglu.
• Backport from CPython PR #132160 to avoid having user arguments shadowed in generated __new__ by @typing_extensions.deprecated. Patch by Victorien Plot.

Release 4.13.1 (April 3, 2025)

Bugfixes:

• Fix regression in 4.13.0 on Python 3.10.2 causing a TypeError when using Concatenate. Patch by Daraan.
• Fix TypeError when using evaluate_forward_ref on Python 3.10.1-2 and 3.9.8-10. Patch by Daraan.

Release 4.13.0 (March 25, 2025)

No user-facing changes since 4.13.0rc1.

Release 4.13.0rc1 (March 18, 2025)

New features:

• Add typing_extensions.TypeForm from PEP 747. Patch by Jelle Zijlstra.
• Add typing_extensions.get_annotations, a backport of inspect.get_annotations that adds features specified by PEP 649. Patches by Jelle Zijlstra and Alex Waygood.
• Backport evaluate_forward_ref from CPython PR #119891 to evaluate ForwardRefs. Patch by Daraan, backporting a CPython PR by Jelle Zijlstra.

Bugfixes and changed features:

• Update PEP 728 implementation to a newer version of the PEP. Patch by Jelle Zijlstra.
• Copy the coroutine status of functions and methods wrapped with @typing_extensions.deprecated. Patch by Sebastian Rittau.
• Fix bug where TypeAliasType instances could be subscripted even where they were not generic. Patch by Daraan.
• Fix bug where a subscripted TypeAliasType instance did not have all attributes of the original TypeAliasType instance on older Python versions. Patch by Daraan and Alex Waygood.
• Fix bug where subscripted TypeAliasType instances (and some other subscripted objects) had wrong parameters if they were directly subscripted with an Unpack object. Patch by Daraan.

... (truncated)

• 4525e9d Prepare release 4.13.2 (#583)
• 88a0c20 Do not shadow user arguments in generated __new__ by @deprecated (#581)
• 281d7b0 Add 3rd party tests for litestar (#578)
• 8092c39 fix TypeAliasType union with typing.TypeAliasType (#575)
• 45a8847 Prepare release 4.13.1 (#573)
• f264e58 Move CI to "ubuntu-latest" (round 2) (#570)
• 5ce0e69 Fix TypeError with evaluate_forward_ref on some 3.10 and 3.9 versions (#558)
• 304f5cb Add SQLAlchemy to third-party daily tests (#561)
• ebe2b94 Fix duplicated keywords for typing._ConcatenateGenericAlias in 3.10.2 (#557)
• 9f93d6f Add intersphinx links for 3.13 typing features (#550)
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