#3780 chore(deps): update dependency ty to v0.0.79 Pull request opened by renovate[bot] This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | | ----------------------------------------------------------------------------------------------------------------------------- | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [ty](https://redirect.github.com/astral-sh/ty) ([changelog](https://redirect.github.com/astral-sh/ty/blob/main/CHANGELOG.md)) | ==0.0.78 → ==0.0.79 | [[age](https://camo.githubusercontent.com/32b4bc7db38a529b75754fb5e1bf3e29a4d5e44281fbace77e84dc81f34a4ac3/68747470733a2f2f646576656c6f7065722e6d656e642e696f2f6170692f6d632f6261646765732f6167652f707970692f74792f302e302e37393f736c696d3d74727565)](https://camo.githubusercontent.com/32b4bc7db38a529b75754fb5e1bf3e29a4d5e44281fbace77e84dc81f34a4ac3/68747470733a2f2f646576656c6f7065722e6d656e642e696f2f6170692f6d632f6261646765732f6167652f707970692f74792f302e302e37393f736c696d3d74727565) | [[confidence](https://camo.githubusercontent.com/4ebaeae2aef0e02578fdfa3aeb8453482cb1db7c265c0e5f99ee06e5f758c5a4/68747470733a2f2f646576656c6f7065722e6d656e642e696f2f6170692f6d632f6261646765732f636f6e666964656e63652f707970692f74792f302e302e37382f302e302e37393f736c696d3d74727565)](https://camo.githubusercontent.com/4ebaeae2aef0e02578fdfa3aeb8453482cb1db7c265c0e5f99ee06e5f758c5a4/68747470733a2f2f646576656c6f7065722e6d656e642e696f2f6170692f6d632f6261646765732f636f6e666964656e63652f707970692f74792f302e302e37382f302e302e37393f736c696d3d74727565) | --- Release Notes astral-sh/ty (ty) `v0.0.79` Compare Source Released on 2026-09-07. Bug fixes • Avoid dict keyword-call panics when typing is shadowed (#​28292) • Discover configs in models derived from legacy generic classes (#​28397) • Normalize recursive collection-use constraints (#​28332) • Recover cycles when constructing known class instances (#​28289) CLI • Embed archive checksums in the shell installer (#​4458) Diagnostic improvements • Add

Literal

fixes for diagnostics flagging invalid type annotations (#​28185) • Add

await

fixes for redundant conditions (#​28169) • Add

assert_never

fixes for redundant final

elif

branches (#​28178) • Add defensive assertion fallback for redundant

elif

fixes (#​28179) • Add rules to detect always-truthy and always-falsy conditions (#​28034) • Preserve deprecations on decorated callables (#​28256) • Require a direct dependency for

reveal_type

backport fixes (#​28177) • Suggest variable-length tuple annotations for redundant conditions (#​28168) Core type checking • Align

TypeIs

and

isinstance

narrowing (#​28193) • Avoid falling back to

Unknown

when collecting type context constraints (#​28297) • Ensure

f is identity(f)

evaluates to

Literal[True]

(#​28360) • Fix callable specialization with union-valued

ParamSpec

(#​28085) • Infer variance through recursive protocols (#​28077) • Narrow types with ordered length comparisons (#​28264) • Preserve gradual type context during generic call inference (#​28091) • Preserve nominal subtyping for top-materialized protocols (#​28271) • Preserve outer type variables during

ParamSpec

inference (#​28306) • Preserve protocol intersections when narrowing gradual types (#​28391) • Promote literals in nested (non-covariant) positions (#​28389) • Reject missing attributes on

type[]

aliases (#​28267) • Solve formal unions using constraint-sets (#​28312) • Sync vendored typeshed stubs (#​28331). Typeshed diff Performance • Avoid unnecessary work when building specializations (#​28369) • Bypass materialization queries for simple types (#​28367) • Cache exception suppression for context managers (#​28376) • Intern statement call predicates (#​28373) • Lazily compute argument-context specializations (#​28378) • Pre-size packed AST index chunks (<htt… meltano/sdk