Issues · python/mypy · GitHub

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

Labels Milestones New issue

[1.20 regression] Mypy incorrectly marks a match case as unreachable

#21189

· rchen152 opened

on Apr 8, 2026

[1.20 regression] Type narrowing is order sensitive in match-case statement with narrowed enum type

#21187

· SebastiaanZ opened

on Apr 8, 2026

[1.20 regression] unreachable regression with generic Callable

topic-reachability

#21182

· dpinol opened

on Apr 7, 2026

[1.20 regression] when same object is narrowed multiple times

topic-type-narrowing

#21181

· ktbarrett opened

on Apr 7, 2026

`python-version` based syntax checks should not block

topic-error-reporting

#21178

· A5rocks opened

on Apr 6, 2026

Issue with Narrowing

#21173

· George-Ogden opened

on Apr 5, 2026

Overlapping overloads false positive with ParamSpec shenanigans

topic-overloads

topic-paramspec

#21171

· jonathandung opened

on Apr 5, 2026

Surprising results from the HTML report

#21168

· wyattscarpenter opened

on Apr 4, 2026

mypy does not recognise from ... import inside an IntEnum class body as producing enum members.

topic-runtime-semantics

#21146

· peturingi opened

on Apr 2, 2026

Emit errors with `--disallow-any-generics` if `type[T]` or `TypeForm[T]` receives a generic `T` with missing type arguments

#21145

· bzoracler opened

on Apr 2, 2026

python3.14: occasional crashes with mypyc compiled code

priority-0-high

#21133

· mr-c opened

on Apr 1, 2026

Crash on type alias bounded by and defaulted to itself

topic-recursive-types

#21128

· MeGaGiGaGon opened

on Apr 1, 2026