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Announcement issue for plugin API changes
#6617 · msullivan opened on Apr 3, 2019
23

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A generic type argument accepts a tuple

needs discussion

#20563

· hyperkai opened

on Jan 11, 2026

False positive on manual overloaded <code>Foo[T].init(self, arg)</code> call

topic-overloads

#20557

· randolf-scholz opened

on Jan 10, 2026

Setting an unpacked list to the generic type alias gets the error message 'Please report a bug at ...'

#20549

· hyperkai opened

on Jan 8, 2026

mypy should give error at the timing when the type alias set multiple <code>TypeVarTuple</code>-based type parameters is defined but not used

#20544

· hyperkai opened

on Jan 7, 2026

Assertion failure crash in split_for_callable: assert t.is_type_obj()

#20542

· correctmost opened

on Jan 7, 2026

False positive with warn unreachable, Any, and None

topic-reachability

#20532

· hauntsaninja opened

on Jan 6, 2026

Nondeterministic type-var error with LiteralString-bounded TypeVars

#20528

· ericbuehl opened

on Jan 5, 2026

Assertion failure crash: assert not self.has_type_var_tuple_type

#20527

· correctmost opened

on Jan 5, 2026

Crash on code mixing instances and type typed variables

#20526

· guillonb opened

on Jan 5, 2026

Allow <code>types.GeneratorType</code> to be used instead of <code>collections.abc.Generator</code> as the return type of generator functions

topic-runtime-semantics

#20522

· x42005e1f opened

on Jan 4, 2026

dmypy's <code>--use-fine-grained-cache</code> crashes with <code>KeyError</code> on namespace packages

#20519

· bzoracler opened

on Jan 3, 2026

False positive when assigning bounded generic to union including the bound

#20516

· randolf-scholz opened

on Jan 3, 2026