Issues · python/mypy · GitHub

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

Labels Milestones New issue

wrong inference with nested unpacking

#21485

· JanEricNitschke opened

on May 14, 2026

Mypy 2.X periodically and inconsistently throws an error

#21484

· barbarrista opened

on May 14, 2026

fastparse and native parser assign different line numbers to nested subscripts in multi-line type annotations

#21480

· sunny-zuo opened

on May 13, 2026

Detect number of CPUs with `--num-workers 0`

parallel checking

#21477

· hugovk opened

on May 13, 2026

Literal `(tuple_of_strings, "string")` not assignable to `tuple[str, tuple[str, ...]`

#21476

· abrahammurciano opened

on May 13, 2026

`dmypy` crashes when native parser and parallel checking are enabled.

parallel checking

#21475

· Jazzinghen opened

on May 13, 2026

`pyinfo.getsyspath()` doesn't exclude stdlib from `package_path` when install path contains symlinks

#21474

· Pedro-Muller29 opened

on May 13, 2026

Parallel type checking crashes on `pydantic.create_model` used as a base class

parallel checking

#21472

· sunny-zuo opened

on May 12, 2026

IndexError: list index out of range with missing typing.Annotated type

#21471

· correctmost opened

on May 12, 2026

Crash in match-statement's subject expression with an unpacked tuple

topic-match-statement

#21468

· bastimeyer opened

on May 12, 2026

Will mypy work universally again? Or is the list of supported platforms now more or less set in stone?

#21460

· pajod opened

on May 11, 2026

Error on generic NamedTuple method that uses constrained type parameter

topic-named-tuple

topic-type-variables

#21453

· JelleZijlstra opened

on May 9, 2026