#10116 chore(deps-dev): bump ty from 0.0.47 to 0.0.49 in the development-dependencies group Pull request opened by dependabot[bot] Bumps the development-dependencies group with 1 update: ty. Updates

ty

from 0.0.47 to 0.0.49 Release notes Sourced from ty's releases.

0.0.49

Release Notes

Released on 2026-06-11.

Bug fixes

• Fix site-package error when multiple versions of Python are installed in system path (#25769)

Diagnostics

• Point at attribute's binding site in `invalid-await diagnostic (#24628)

• Report redefined legacy TypeVars (#25854)

Performance

• Add dedicated TDDs for narrowing constraints (#25834)

• Avoid caching same-file raw signatures (#25761)

• Cache reachability evaluations during inference (#25696)

• Compact retained definition maps (#25737)

• Omit redundant definition inference owner keys (#25837)

Core type checking

• Preserve nominal type of

enum.property

instances (#25849)

• Restrict length narrowing to types that encode their length (#25840)

• Use peer context for collection literals (#25848)

Contributors

• `@​charliermarsh`

• `@​anishgirianish`

• `@​cheparity`

• `@​carljm`

Install ty 0.0.49

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.49/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.49/ty-installer.ps1 | iex"

Download ty 0.0.49

... (truncated) Changelog Sourced from ty's changelog.

0.0.49

Released on 2026-06-11.

Bug fixes

• Fix site-package error when multiple versions of Python are installed in system path (#25769)

Diagnostics

• Point at attribute's binding site in `invalid-await diagnostic (#24628)

• Report redefined legacy TypeVars (#25854)

Performance

• Add dedicated TDDs for narrowing constraints (#25834)

• Avoid caching same-file raw signatures (#25761)

• Cache reachability evaluations during inference (#25696)

• Compact retained definition maps (#25737)

• Omit redundant definition inference owner keys (#25837)

Core type checking

• Preserve nominal type of

enum.property

instances (#25849)

• Restrict length narrowing to types that encode their length (#25840)

• Use peer context for collection literals (#25848)

Contributors

• `@​charliermarsh`

• `@​anishgirianish`

• `@​cheparity`

• `@​carljm`

0.0.48

Released on 2026-06-10.

Performance

• Avoid redundant constraint saturation work (#25786)

Core type checking

• Add support for TypedDict

extra_items

(#25591)

• Improve

closed=True

TypedDict precision (#25651)

• Require subtyping for transitive constraint pivots (#25778)

• Sync vendored typeshed stubs (#25828). Typeshed diff

Contributors

... (truncated) Commits • `b669da8` Bump version to 0.0.49 (#3749) • `79f0f51` Fixups to new AGENTS.md file (#3741) • `d621352` alex/generated workflow agents (#3740) • `10b243d` Bump version to 0.0.48 (#3729) • `c7a02f3` Automatically trigger new ty-pre-commit releases when we cut a release (#3727) • `b6465aa` Update typing FAQs: we have a pre-commit hook now (#3728) • See full diff in compare view Dependabot compatibility score Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting

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