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Announcement issue for plugin API changes
#6617 · msullivan opened on Apr 3, 2019
24

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error: Expression is of type "Any", not "Any" (Using <code>Any</code> as a <code>type</code>)

#20859

· George-Ogden opened

on Feb 22, 2026

[stubtest] Better checking of <code>Final</code> variables with literal values

topic-literal-types

#20857

· brianschubert opened

on Feb 21, 2026

Runs forever at 100% CPU for generic protocol with bounded TypeVar argument

topic-protocols

topic-recursive-types

#20828

· opk12 opened

on Feb 16, 2026

mypy should check qualname (and other special dunders)

topic-runtime-semantics

#20821

· A5rocks opened

on Feb 16, 2026

Incorrect narrowing between two different unions

topic-type-narrowing

#20820

· A5rocks opened

on Feb 15, 2026

Special dunder attributes on dataclass not treated as <code>init</code> args

topic-dataclasses

topic-runtime-semantics

#20819

· ktbarrett opened

on Feb 15, 2026

Issue with <code>attrs</code> custom <code>init</code> defined

#20818

· George-Ogden opened

on Feb 15, 2026

Performance impact of --allow-redefinition-new

priority-0-high

topic-inference

#20816

· ilevkivskyi opened

on Feb 15, 2026

Add new syntax to let the mypy test file syntax anticipate --pretty output

#20811

· wyattscarpenter opened

on Feb 14, 2026

Submodule in 'import from' not detected when added

topic-incremental

#20799

· ilevkivskyi opened

on Feb 13, 2026

NotImplementedError: Cannot serialize PlaceholderNode instance

#20796

· correctmost opened

on Feb 13, 2026

del partial_types[var] fails with KeyError: <Var 'errors' at 0x...>

#20792

· ericbn opened

on Feb 12, 2026