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Announcement issue for plugin API changes
#6617 · msullivan opened on Apr 3, 2019
21

Labels Milestones New issue

Severe performance degradation with lots of constrained type variables in a generic class

topic-type-variables

#19622

· bzoracler opened

on Aug 9, 2025

<code>[mypyc]</code> indexing fixed-length tuples is extremely slow and gets slower with increse in length

#19537

· Bobronium opened

on Jul 30, 2025

Include binary wheels for ARM Windows

needs discussion

#18593

· JukkaL opened

on Feb 3, 2025

Overloads in generic classes are extremely slow when using generic self

topic-overloads

topic-self-types

topic-type-variables

#18022

· alexdrydew opened

on Oct 23, 2024

Lazily process installed packages

#17924

· JukkaL opened

on Oct 11, 2024

mypy is slow when type checking torch

#17919

· hauntsaninja opened

on Oct 11, 2024

Slow typechecking on nested TypedDict with union members

topic-typed-dict

#17231

· julienp opened

on May 10, 2024

Mypy/dmypy takes over 16GB of memory

#17105

· juandiegopalomino opened

on Apr 5, 2024

Running mypy on script with pd.pivot_table gets exponentially slower with more columns

#16749

· blackary opened

on Jan 5, 2024

Daemon performance seems slow

#16745

· shaperilio opened

on Jan 4, 2024

exponentially slow typechecking when overloaded numpy functions used in generic containers like list/dict

#14718

· Hnasar opened

on Feb 16, 2023

Surprisingly long CI (github-actions) mypy execution time

#14416

· piotr-rarus opened

on Jan 9, 2023