Sourced from ty's releases.

0.0.32

Release Notes

Released on 2026-04-20.

Bug fixes

• Fix panic when __get__ uses Concatenate self-type and wraps a __call__ (#24692)
• Avoid panicking on overloaded Callable type context (#24661)
• Expand class bases in per-base lint checks (#24695, #24699)
• Fix stack overflow for binary operator inference involving recursive types (#24551)

LSP server

• Dim out unreachable code in IDEs (#24580)
• Do not suggest argument completion when typing the value of a keyword argument (#24669)
• Retrieve the docstring from the overload implementation if an @overload-decorated function has no docstring (#23920)

Core type checking

• Allow if statements in TypedDict bodies (#24702)
• Disallow @disjoint_base on TypedDicts and Protocols (#24671)
• Do not consider a subclass of a @dataclass_transform-decorated class to have dataclass-like semantics if it has type in its MRO (#24679)
• Reject using properties with Never setters or deleters (#24510)
• Sync vendored typeshed stubs (#24646). Typeshed diff

Diagnostics

• Show error context for assignability diagnostics (#24309)
• Use partially qualified names when reporting diagnostics regarding bad calls to methods (#24560)
• Reduce source code context window to zero (#24689)
• Merge same-file annotations if there is only a single line separating them (#24694)

Performance

• Memoize binary operator return types (#24700)
• Gate protocol compatibility on member count (#24684)

Contributors

• @​JelleZijlstra
• @​kc0506
• @​denyszhak
• @​carljm
• @​dcreager
• @​AlexWaygood
• @​dylwil3
• @​charliermarsh
• @​sharkdp
• @​ibraheemdev

... (truncated)

Sourced from ty's changelog.

0.0.32

Released on 2026-04-20.

Bug fixes

• Fix panic when __get__ uses Concatenate self-type and wraps a __call__ (#24692)
• Avoid panicking on overloaded Callable type context (#24661)
• Expand class bases in per-base lint checks (#24695, #24699)
• Fix stack overflow for binary operator inference involving recursive types (#24551)

LSP server

• Dim out unreachable code in IDEs (#24580)
• Do not suggest argument completion when typing the value of a keyword argument (#24669)
• Retrieve the docstring from the overload implementation if an @overload-decorated function has no docstring (#23920)

Core type checking

• Allow if statements in TypedDict bodies (#24702)
• Disallow @disjoint_base on TypedDicts and Protocols (#24671)
• Do not consider a subclass of a @dataclass_transform-decorated class to have dataclass-like semantics if it has type in its MRO (#24679)
• Reject using properties with Never setters or deleters (#24510)
• Sync vendored typeshed stubs (#24646). Typeshed diff

Diagnostics

• Show error context for assignability diagnostics (#24309)
• Use partially qualified names when reporting diagnostics regarding bad calls to methods (#24560)
• Reduce source code context window to zero (#24689)
• Merge same-file annotations if there is only a single line separating them (#24694)

Performance

• Memoize binary operator return types (#24700)
• Gate protocol compatibility on member count (#24684)

Contributors

• @​JelleZijlstra
• @​kc0506
• @​denyszhak
• @​carljm
• @​dcreager
• @​AlexWaygood
• @​dylwil3
• @​charliermarsh
• @​sharkdp
• @​ibraheemdev

... (truncated)

• 4d1e1fc Bump version to 0.0.32 (#3302)
• a537bde Update PyO3/maturin-action action to v1.51.0 (#3300)
• 81e4125 Update actions/upload-artifact action to v7.0.1 (#3296)
• a9dd1cb Update docker/build-push-action action to v7.1.0 (#3299)
• ef0a7dd Update actions/github-script action to v9 (#3301)
• 74f0583 Update astral-sh/setup-uv action to v8.1.0 (#3298)
• 82799cc Update prek dependencies (#3297)
• daaa404 Bump version to 0.0.31 (#3280)
• 12e86b5 Bump version to 0.0.30 (#3270)
• 67077ad Reorder sections in FAQ (#3267)
• Additional commits viewable in compare view

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