chore(deps): update dependency ty to v0.0.68

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ty (changelog)	==0.0.66 → ==0.0.68

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Release Notes

astral-sh/ty (ty)

v0.0.68

Compare Source

Released on 2026-08-05.

Diagnostics

• Preserve property getter call errors (#​27509)
• Simplify numeric tower displays (e.g., float over int | float) (#​27406)
• Suggest closing open TypedDict types for Mapping compatibility (#​27512)

Core type checking

• Avoid double inference of Unpack operands in Union (#​27525)
• Fix panic from mismatched OR-pattern bindings (#​27533)

Contributors

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

v0.0.67

Compare Source

Released on 2026-08-05.

LSP server

• Fix unused hints for OR-pattern captures (#​27438)
• Index match-pattern bindings as symbols (#​27260)
• Retain typing-only symbols in explicit completions (#​27435)

Diagnostics

• Preserve called types in intersection diagnostics (#​27475)
• Suppress unimported-reveal diagnostics in stub files and if TYPE_CHECKING blocks (#​27508)

Configuration

• Remove deprecated src.root setting in favor of environment.root (#​27456)

Core type checking

• Check property compatibility when matching class objects to protocols (#​27402)
• Fix constructor calls on narrowed type-variable intersections (#​27493)
• Fix specialization cycle with deferred TypeVar defaults (#​27453)
• Infer generic TypedDicts from unpacked TypedDicts (#​27439)
• Infer generic TypedDicts through synthesized constructor signatures (#​27436)
• Normalize unpacked callable signatures for assignability (#​27450)
• Preserve class type parameters through generic decorators (#​27442)
• Preserve generic class type variables in constructor inference (#​27340)
• Preserve return constraints for object-variadic callables (#​27431)
• Preserve return constraints for top callables (#​27446)
• Recover generic constructor types from failing overloads (#​27460)
• Reject Self with incompatible explicit receiver annotations (#​27454)
• Reject unhashable objects for Hashable protocols (#​27441)
• Reject unsupported dataclass_transform parameters (#​27458)
• Restore bottom callable subtyping for gradual prefixes (#​27519)
• Top-materialize is_dataclass type guard (#​27455)
• Validate constructor calls on unbounded type variables (#​27449)

Performance

• Avoid exponential slowdown copying narrowed TypedDict unions (#​27492)

Contributors

• @​Punisheroot
• @​dhruvmanila
• @​AlexWaygood
• @​sharkdp
• @​MichaReiser
• @​carljm
• @​charliermarsh

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