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Incorrectly narrows <code>type</code> from signature annotation to <code>Never</code>

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

Status: Open.

#20467 In python/mypy;

· RolandSaur opened on Dec 24, 2025

False positive with splat and explicit kwarg

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

Status: Open.

#20441 In python/mypy;

· torfsen opened on Dec 19, 2025

With a new syntax generic function, <code>T</code> cannot be used to set a default value to a parameter with <code>cast()</code> while <code>T</code> can be used for a parameter and return type

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

Status: Open.

#20399 In python/mypy;

· hyperkai opened on Dec 11, 2025

<code>reveal_type()</code> cannot get <code>*Ts</code> type of the instance of a generic class

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

Status: Open.

#20388 In python/mypy;

· hyperkai opened on Dec 9, 2025

Docs/monorepo python versions

pendingIssues that may be closedIssues that may be closed

Status: Draft (not ready).

python/mypynumber 20375

#20375 In python/mypy;

· lamia-bel opened on Dec 8, 2025

Fix/semanal nested class scope

pendingIssues that may be closedIssues that may be closed

Status: Draft (not ready).

python/mypynumber 20374

#20374 In python/mypy;

· ines-bg opened on Dec 8, 2025

Ines

pendingIssues that may be closedIssues that may be closed

Status: Draft (not ready).

python/mypynumber 20373

#20373 In python/mypy;

· ines-bg opened on Dec 8, 2025

fixed Incorrect type of enum in 'if' clause #20234

pendingIssues that may be closedIssues that may be closed

Status: Open (in progress).

python/mypynumber 20248

#20248 In python/mypy;

· sherlock2215 opened on Nov 17, 2025

Enhance type resolution for instance variables

pendingIssues that may be closedIssues that may be closed

Status: Open (in progress).

python/mypynumber 20122

#20122 In python/mypy;

· neopexrl opened on Oct 26, 2025

mutable-override does not understand unions

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

topic-inheritanceInheritance and incompatible overridesInheritance and incompatible overrides

Status: Open.

#20028 In python/mypy;

· kasium opened on Oct 8, 2025

MyPy infers descriptors are always ClassVars when testing assignability to protocols

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

topic-descriptorsProperties, class vs. instance attributesProperties, class vs. instance attributes

topic-protocols

Status: Open.

#19702 In python/mypy;

· dchevell opened on Aug 21, 2025

1.16 regression: <code>--warn-unused-ignore</code> now complains in ignored-but-correct places

bugmypy got something wrongmypy got something wrong

pendingIssues that may be closedIssues that may be closed

topic-error-reportingHow we report errorsHow we report errors

topic-type-ignore# type: ignore comments# type: ignore comments

topic-usability

Status: Open.

#19237 In python/mypy;

· asottile-sentry opened on Jun 4, 2025