[dependabot]

Bumps ty from 0.0.88 to 0.0.89.

Release notes

Sourced from ty's releases.

0.0.89

Release Notes

Released on 2026-10-16.

Core type checking

• Added support for return type inference for unannotated functions and methods (#29253).

  Return type inference is currently disabled by default. Enable it with the analysis.return-type-inference setting in pyproject.toml:

  [tool.ty.analysis]
  return-type-inference = "always"

  Or in ty.toml:

  [analysis]
  return-type-inference = "always"

  Please share your feedback, especially any problems you encounter, in the return type inference feedback issue.

• Sync vendored typeshed stubs (#29402). Typeshed diff

Bug fixes

• Avoid a panic when negating dynamic type aliases (#29427)
• Widen tuple literal lengths when other collection elements contain nested tuple types (#29147)
• Report invalid Generic and Protocol arguments containing nested variadic type variables (#29146)

Performance

• Speed up generic class-pattern narrowing by skipping impossible intersection comparisons (#29240)

Contributors

• @​carljm
• @​charliermarsh
• @​sharkdp

Install ty 0.0.89

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.89/ty-installer.sh | sh

... (truncated)

Changelog

Sourced from ty's changelog.

0.0.89

Released on 2026-10-16.

Core type checking

• Added support for return type inference for unannotated functions and methods (#29253).

  Return type inference is currently disabled by default. Enable it with the analysis.return-type-inference setting in pyproject.toml:

  [tool.ty.analysis]
  return-type-inference = "always"

  Or in ty.toml:

  [analysis]
  return-type-inference = "always"

  Please share your feedback, especially any problems you encounter, in the return type inference feedback issue.

• Sync vendored typeshed stubs (#29402). Typeshed diff

Bug fixes

• Avoid a panic when negating dynamic type aliases (#29427)
• Widen tuple literal lengths when other collection elements contain nested tuple types (#29147)
• Report invalid Generic and Protocol arguments containing nested variadic type variables (#29146)

Performance

• Speed up generic class-pattern narrowing by skipping impossible intersection comparisons (#29240)

Contributors

• @​carljm
• @​charliermarsh
• @​sharkdp

Commits

• 82b0fd4 Bump version to 0.0.89 (#4740)
• 5370198 Update dependency python to 3.14 (#4721)
• See full diff in compare view

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