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Title: Python 3.15 tracking issue · Issue #21447 · python/mypy · GitHub

Open Graph Title: Python 3.15 tracking issue · Issue #21447 · python/mypy

X Title: Python 3.15 tracking issue · Issue #21447 · python/mypy

Description: PEP 810 lazy import. #20978 needs native parser support + tests PEP 814 frozendict. should only need typeshed sync PEP 661 sentinel. will need custom narrowing and typeanal PEP 798 comprehension unpacking #21489 PEP 728 typeddict #18176 ...

Open Graph Description: PEP 810 lazy import. #20978 needs native parser support + tests PEP 814 frozendict. should only need typeshed sync PEP 661 sentinel. will need custom narrowing and typeanal PEP 798 comprehension un...

X Description: PEP 810 lazy import. #20978 needs native parser support + tests PEP 814 frozendict. should only need typeshed sync PEP 661 sentinel. will need custom narrowing and typeanal PEP 798 comprehension un...

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Python 3.15 tracking issuehttps://redirect.github.com/python/mypy/issues/21447#top
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on May 9, 2026https://github.com/python/mypy/issues/21447#issue-4411839093
Support for lazy imports (PEP 810, Python 3.15+) #20978https://github.com/python/mypy/issues/20978
Support PEP 798 #21489https://github.com/python/mypy/issues/21489
Add support for TypedDict extra_items= and closed= (PEP 728) #18176https://github.com/python/mypy/issues/18176
TypeForm[T]: Spelling for regular types (int, str) & special forms (Union[int, str], Literal['foo'], etc) #9773https://github.com/python/mypy/issues/9773
TypeForm: Enable by default #21262 (comment)https://github.com/python/mypy/pull/21262#issuecomment-4364872582
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