[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	0.0.99 → 0.0.104

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Release Notes

astral-sh/ty (ty)

v0.0.104

Compare Source

Released on 2026-11-13.

Bug fixes

• Narrow class objects in equality and membership checks (#​30393)
• Preserve literals outside a protocol when simplifying unions (#​30398)
• Respect implicit __hash__ = None when a class defines __eq__ (#​30145)

LSP server

• Fix completion after an alias in a parenthesized import (#​30394)
• Suppress completions while typing multiline import aliases (#​30397)

Contributors

• @​lerebear
• @​carljm

v0.0.103

Compare Source

Released on 2026-11-13.

Bug fixes

• Avoid spurious syntax warnings when applying fixes (#​30404)
• Fix a panic checking class decorators with inferred return types (#​30399)
• Infer nested classes as read-only attributes (#​29346)
• Infer value types for bare Final and ClassVar (#​30293)
• Preserve excluded types when inferring type variable upper bounds (#​30237)
• Preserve inherited value types on repeated bare ClassVar annotations (#​30396)
• Respect return constraints when promoting literal arguments (#​30153)

LSP server

• Resolve pytest fixtures registered through pytest_plugins (#​29588)

Contributors

• @​carljm
• @​abalakh
• @​AlexWaygood

v0.0.102

Compare Source

Released on 2026-11-12.

Breaking changes

• Split invalid-return-type into 3 focussed rules; rename empty-body and unsound-return (#​29947)

Bug fixes

• Avoid runaway inference for nested calls with union parameters (#​30220)
• Fix a panic when simplifying recursive wide unions (#​30141)
• Fix a stack overflow when inferring calls that return recursive aliases (#​30149)
• Keep callable-local type variables out of enclosing constraints (#​30241)
• Preserve Self for unary operators on bounded type variables (#​30242)
• Preserve descriptor write contracts in overrides and protocols (#​30252)

Diagnostic improvements

• Rename call-abstract-method to abstract-method-call (#​30287)
• Rename call-non-callable to not-callable (#​30284)
• Rename call-top-callable to call-to-function-with-unknown-signature (#​30285)
• Rename dataclass-field-order to invalid-dataclass-field-order (#​30289)
• Rename implicit-concatenated-string-type-annotation to implicit-string-concatenation-in-annotation; improve documentation (#​30286)
• Warn by default for a single overload (#​30214)

Memory usage improvements

• Check unused stub parameters in the surrounding inference (#​30251)

Other changes

• Cache alias-preserving binary unions (#​30094)
• Share use-def layouts for stub function parameters (#​30248)
• Skip unused parameter bindings in stub bodies (#​30330)

Contributors

• @​MichaReiser
• @​charliermarsh
• @​carljm
• @​AlexWaygood

v0.0.101

Compare Source

Released on 2026-11-11.

Bug fixes

• Avoid a panic on unions of recursive named tuples (#​30222)
• Avoid repeatedly normalizing nested partials (#​30234)
• Preserve Pydantic strictness through PEP 695 type aliases (#​30210)
• Preserve the element type when passing tuple as a callback (#​30152)
• Record exception checkpoints for nested unpacking targets (#​30206)

LSP server

• Fall back to a workspace-wide watch when file watcher registration fails (#​30120)

Other changes

• Do not narrow Field[..] specializations to expanded unions (#​30264)

Contributors

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

v0.0.100

Compare Source

Released on 2026-11-09.

Breaking changes

• Distinguish attributes missing from some union members (#​29944)
• Give abstract class instantiation its own diagnostic rule (#​29948)
• Separate missing and inconsistent overload implementation diagnostics (#​29953)
• Split invalid-key into three TypedDict diagnostic rules (#​29955)
• Split out lost-keyword-for-regular-parameter from incompatible-method-override (#​30143)

Bug fixes

• Fix partial application of ParamSpec decorators (#​30150)
• Offer inlay hint edits only for valid annotation targets (#​30208)
• Preserve distinct bytes keys during narrowing (#​30207)

Diagnostic improvements

• Explain why a rule was removed in configuration and ignore comments (#​30128)
• Rename incompatible override rules (#​30142)

Memory usage improvements

• Avoid caching bundled stub source during parsing (#​30181)
• Defer formatting details for suppressed diagnostics (#​30169)

Other changes

• Avoid repeated scans when merging class MROs (#​30095)
• Cache context-free specialized alias values (#​30099)
• Cache raw signatures for overload declarations (#​30106)
• Cache the previous declaration in an overload set (#​30110)
• Check constraint equivalence by searching for counterexamples (#​30093)
• Collect namespace members once per metaclass (#​30165)
• Index lazy enclosing snapshots by symbol name (#​30088)
• Reduce redundant work in structural recursive type inference (#​29975)
• Reject incompatible fixed tuple contexts as elements are inferred (#​30183)
• Reuse the incoming flow after boolean expressions without assignments (#​30097)
• Skip repeated type constraints for collection literals (#​30089)
• Skip union checks for incomparable types (#​30102)

Contributors

• @​mtshiba
• @​charliermarsh
• @​AlexWaygood
• @​MichaReiser
• @​sharkdp
• @​carljm

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