[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	>=0.17.1 → >=0.17.2
ty (changelog)	>=0.0.89,<0.0.90 → >=0.0.91,<0.0.92

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Release Notes

astral-sh/ruff (ruff)

v0.17.2

Compare Source

Released on 2026-10-22.

Preview features

• [complexity] Add unnecessary-regular-expression-compile (#​25533)

Bug fixes

• Avoid syntax errors for type variables with starred constraints (UP040, UP046, UP047, RUF053) (#​28362)
• [pydocstyle] Treat backslash-escaped *args and **kwargs as documented (D417) (#​29536)
• [pylint] Avoid false positive on starred elements (PLE0643) (#​29483)
• [pylint] Mark fixes unsafe when deleting comments (PLR5501, PLW0120) (#​29414)
• [pyupgrade] Mark fix unsafe when deleting comments (UP035) (#​29413)

Performance

• Avoid intermediate names in lint name resolution (#​29506)
• Prefilter bidirectional Unicode checks by UTF-8 leading bytes (#​29561)
• Share postfix parsing and reduce expression copies (#​29480)

Configuration

• [pylint] Add a configurable allowlist for magic-value-comparison (PLR2004) (#​18961)

Documentation

• Clarify documentation and correct stale guidance (#​29374)
• [pyupgrade] Remove mentions of variance related to fix safety (UP040, UP047) (#​29592)

Contributors

• @​fixfon
• @​MichaReiser
• @​zaniebot
• @​FrancescoPezzella
• @​anishgirianish
• @​rajveer3x
• @​charliermarsh
• @​LckyLike
• @​DaniBodor

astral-sh/ty (ty)

v0.0.91

Compare Source

Released on 2026-10-22.

Bug fixes

• Improve generics solving when an intersection is passed into a generic call to prefer solving the call to a more precise type when it is safe to do so (#​29578)
• Fix recursive type materialization (#​29532)
• Infer return intersections from correlated call specializations (#​28303)
• Preserve Self when checking universal protocols (#​29207)
• Fix stack overflows involving recursive descriptor setter types (#​29148)
• Preserve the namespace-package fallback in module discovery when the namespace-package fallback is obscured by a partial stub package (#​29559)
• Report all missing @override decorators together (#​29557)
• Fix false-positive invalid-argument-type diagnostics when inferring constrained type variables from callbacks that return an invariant generic with a gradual type argument (#​29577)

Performance improvements

• Compare protocol receiver restrictions before binding (#​29443)

LSP server

• Avoid cancelling requests for unrelated file changes (#​29604)

Core type checking

• Generics solving: check for unsatisfiable bodies before existentially quantifying (#​29504)
• Liskov diagnostics: Check inherited attribute conflicts (#​28559)
• Return type inference: eneralize nested types in inferred return types (#​29488)

Contributors

• @​charliermarsh
• @​sharkdp
• @​dhruvmanila
• @​carljm
• @​MichaReiser
• @​dcreager

v0.0.90

Compare Source

Released on 2026-10-20.

Bug fixes

• Allow subclasses to restore hashability (#​29471)
• Avoid crashes when negating recursive aliases (#​29429)
• Avoid stack overflow for recursive descriptor setter checks (#​29467)
• Defer constructor type variable defaults (#​29469)
• Preserve bound receivers for strict signature checks (#​29396)
• Preserve read types for dynamic attributes (#​29461)
• Reject runtime_checkable on non-protocol classes (#​29460)
• Validate TypeAliasType keyword arguments (#​29466)

LSP server

• Add return-type inlay hints (#​29437)

Other changes

• Adopt stable macOS signing identifiers (#​4743)
• Avoid inserting inlay hints containing stub-only types (#​29477)
• Filter incompatible union members during union inference (#​29344)
• Infer ParamSpecs from call-wide constraints (#​28828)
• Mitigate pauses from clearing cached ASTs in more language server operations (#​29232)
• Report read-only keys when deleting, popping, or defaulting TypedDict items (#​29441)
• Support uv's nested module ownership metadata (#​29436)

Contributors

• @​carljm
• @​zsol
• @​zanieb
• @​ibraheemdev
• @​hsusul
• @​charliermarsh
• @​sharkdp
• @​dhruvmanila
• @​lerebear

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