Issues · python/mypy · GitHub

Announcement issue for plugin API changes
#6617 · msullivan opened on Apr 3, 2019
25

Labels Milestones New issue

Sqlite writes limit parallel scaling

parallel checking

#21235

· JukkaL opened

on Apr 15, 2026

Compiled wheels for Python 3.15 alpha to avoid severe CI slowdown

#21229

· pomponchik opened

on Apr 14, 2026

Shadow file broken when using parallel type checking

parallel checking

#21222

· JukkaL opened

on Apr 14, 2026

Tune parallel parsing performance on macOS

parallel checking

#21215

· JukkaL opened

on Apr 13, 2026

Incorrect type parameter scope inference with nested classes

#21210

· jonathandung opened

on Apr 13, 2026

[1.20 regression] Too aggressive type narrowing with type variables and equality

topic-type-narrowing

topic-type-variables

#21199

· kdarnok opened

on Apr 10, 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] 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

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