Sourced from ty's releases.

0.0.25

Release Notes

Released on 2026-03-24.

Breaking changes

• Support type:ignore[ty:code] suppressions (#24096)

Bug fixes

• Avoid eager TypedDict diagnostics in TypedDict | dict unions (#24151)
• Fix Salsa panic propagation (#24141)
• Fix folding ranges of comments separated by statements (#24132)
• Fix loop-header reachability cycles in conditional unpacking (#24006)
• Fix subtyping of intersections containing NewTypes of unions vs. unions (#24087)
• Fix untracked reads in Salsa queries that can lead to backdating panics (#24051)
• Prevent tainted loop bindings in cycle normalization (#24143)
• Simplify an intersection of N & ~T to Never if B & ~T would simplify to Never, where B is the concrete base type of a NewType N (#24086)

LSP

• Preserve blank lines between comments and imports in add-import action (#24066)

Type checking

• Add diagnostic hint for invalid assignments involving invariant generics (#24032)
• Add precisely-typed overloads for TypedDict update (#24101)
• Disallow read-only fields in TypedDict updates (#24128)
• Expand bounded typevars to their upper bounds when evaluating truthiness comparisons between intersections and literal types (#24082)
• Emit reveal_type diagnostics in unreachable code (#24070)
• Improve isinstance() reachability analysis (#24077)
• Improve keyword argument narrowing for nested dictionaries (#24010)
• Infer yield expression types (#23796)
• Reduce diagnostic range for invalid-metaclass (#24145)
• Support narrowing for extended walrus targets (#24129)
• Unions/intersections of gradual types should be assignable to Never (#24056)

Contributors

• @​MichaReiser
• @​AlexWaygood
• @​Glyphack
• @​sharkdp
• @​ibraheemdev
• @​charliermarsh
• @​mvanhorn
• @​carljm

Install ty 0.0.25

... (truncated)

Sourced from ty's changelog.

0.0.25

Released on 2026-03-24.

Breaking changes

• Support type:ignore[ty:code] suppressions (#24096)

Bug fixes

• Avoid eager TypedDict diagnostics in TypedDict | dict unions (#24151)
• Fix Salsa panic propagation (#24141)
• Fix folding ranges of comments separated by statements (#24132)
• Fix loop-header reachability cycles in conditional unpacking (#24006)
• Fix subtyping of intersections containing NewTypes of unions vs. unions (#24087)
• Fix untracked reads in Salsa queries that can lead to backdating panics (#24051)
• Prevent tainted loop bindings in cycle normalization (#24143)
• Simplify an intersection of N & ~T to Never if B & ~T would simplify to Never, where B is the concrete base type of a NewType N (#24086)

LSP

• Preserve blank lines between comments and imports in add-import action (#24066)

Type checking

• Add diagnostic hint for invalid assignments involving invariant generics (#24032)
• Add precisely-typed overloads for TypedDict update (#24101)
• Disallow read-only fields in TypedDict updates (#24128)
• Expand bounded typevars to their upper bounds when evaluating truthiness comparisons between intersections and literal types (#24082)
• Emit reveal_type diagnostics in unreachable code (#24070)
• Improve isinstance() reachability analysis (#24077)
• Improve keyword argument narrowing for nested dictionaries (#24010)
• Infer yield expression types (#23796)
• Reduce diagnostic range for invalid-metaclass (#24145)
• Support narrowing for extended walrus targets (#24129)
• Unions/intersections of gradual types should be assignable to Never (#24056)

Contributors

• @​MichaReiser
• @​AlexWaygood
• @​Glyphack
• @​sharkdp
• @​ibraheemdev
• @​charliermarsh
• @​mvanhorn
• @​carljm

• d60899a Bump version to 0.0.25 (#3125)
• db65b3e Update documentation to reflect type:ignore changes (#3121)
• 9e46432 Use ty in Emacs with Eglot (#3107)
• 1f30d7c Update artifact github actions dependencies (#3113)
• 255ef63 Revert "Update Artifact GitHub Actions dependencies" (#3112)
• 5fe54ca Update Artifact GitHub Actions dependencies (#3108)
• a0cf1e7 Update Swatinem/rust-cache action to v2.9.1 (#3110)
• fd2acb4 Update prek dependencies (#3109)
• See full diff in compare view

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