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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ty (changelog)	0.0.97 → 0.0.99

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Release Notes

astral-sh/ty (ty)

v0.0.99

Compare Source

Released on 2026-11-06.

Bug fixes

• Handle output errors when generating shell completions (#​29997)
• Invalidate aliased conditions across loop iterations (#​30074)

LSP server

• Add support for workspace/willRenameFiles LSP request (#​28330)

Other changes

• Bound comparisons of wide builtin literal unions (#​30052)
• Fix call argument validation for variadic parameters (#​30086)
• Freshen method typevars before owner specialization (#​29543)
• Inform call specializations compatibility through type context (#​29932)
• Keep source place IDs out of the use-def map (#​30077)
• Preserve type structure during typevar freshening (#​29803)
• Preserve typevars when mapping leaves their bounds unchanged (#​29547)
• Preserve unions inferred during fixpoint iteration (#​29927)
• Record lexical place IDs with their uses (#​29956)
• Skip existing release artifacts when retrying mirror uploads (#​4937)
• Skip fixpoint iteration for simple generic calls (#​30054)
• Solve generic call type context through constraint sets (#​26680)

Contributors

• @​ibraheemdev
• @​lerebear
• @​ewdurbin
• @​carljm
• @​charliermarsh
• @​dcreager

v0.0.98

Compare Source

Released on 2026-11-05.

Bug fixes

• Avoid cubic narrowing for enum OR patterns (#​30019)
• Avoid duplicate warnings for unknown rules and override sections (#​30028)
• Fix class-pattern exhaustiveness after class identity checks (#​30045)
• Fix conditional type and tuple annotations (#​29987)
• Prefer active unnamed Conda and Pixi environments (#​29974)
• Preserve baseline matches when a rule is renamed (#​30040)
• Preserve exception types after tuple truthiness checks (#​30018)
• Report invalid module globs once per override pattern (#​30031)
• Skip active Conda and Pixi environments during discovery if the environment doesn't contain Python (#​30066)

Configuration changes

• Don't fail configuration deserialization on conflicting rule names (#​30023)
• Inherit project settings and overrides for PEP 723 scripts (#​29793)
• Warn when configuration uses a renamed rule (#​30024)

Memory usage improvements

• Reuse callable signatures in function definition checks (#​30042)

Other changes

• Retain all successful generic call narrowing attempts (#​29666)
• Reuse specialized ancestors in class relations (#​29881)
• Support shadowing methods on instances (#​29482)
• Warn about renamed rules in ignore comments (#​30026)

Contributors

• @​carljm
• @​sharkdp
• @​MichaReiser
• @​charliermarsh
• @​zaniebot
• @​ibraheemdev
• @​AlexWaygood

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.61%. Comparing base (af6e8d0) to head (beb3cb2).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2239   +/-   ##
=======================================
  Coverage   98.61%   98.61%           
=======================================
  Files           9        9           
  Lines        1810     1810           
  Branches      207      207           
=======================================
  Hits         1785     1785           
  Misses         17       17           
  Partials        8        8           

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