#9955 chore(deps-dev): Bump ty from 0.0.27 to 0.0.28 in the development-dependencies group Pull request opened by dependabot[bot] Bumps the development-dependencies group with 1 update: ty. Updates

ty

from 0.0.27 to 0.0.28 Release notes Sourced from ty's releases.

0.0.28

Release Notes

Released on 2026-04-02.

Bug fixes

• Mark loop header assignments as used to avoid false positives in "unused variable" diagnostics (#24336)

LSP server

• Show constructor signature of classes when hovering over them (#24257)

Core type checking

• Avoid emitting cascading diagnostics when parsing invalid type expressions (#24326)

• Handle most "deep" mutual TypeVar constraints (#24079)

• Improve consistency and quality of diagnostics relating to invalid type forms (#24325)

• Improve robustness of various type-qualifier-related checks (#24251)

• Infer the

extra_items

keyword argument to class-based TypedDicts as an annotation expression (#24362)

• Use bidirectional inference to fix false positives on operations such as

x: list[int | None] = [None] * 2

(#24197)

• Sync vendored typeshed stubs (#24340). Typeshed diff

• Tighten up validation of subscripts and attributes in type expressions (#24329)

• Use

infer_type_expression

for parsing parameter annotations and return-type annotations (#24353)

• Use

infer_type_expression

for validating PEP-613 type aliases (#24370)

• Validate TypedDict fields when subclassing (#24338)

• Validate type qualifiers in functional TypedDict fields and the

extra_items

keyword to functional TypedDicts (#24360)

• Improve diagnostics for invalid functional `TypedDict`s (#24345)

Contributors

• `@​zsol`

• `@​dcreager`

• `@​charliermarsh`

• `@​oconnor663`

• `@​AlexWaygood`

• `@​Glyphack`

Install ty 0.0.28

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.28/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.28/ty-installer.ps1 | iex"

</tr></table>

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

0.0.28

Released on 2026-04-02.

Bug fixes

• Mark loop header assignments as used to avoid false positives in "unused variable" diagnostics (#24336)

LSP server

• Show constructor signature of classes when hovering over them (#24257)

Core type checking

• Avoid emitting cascading diagnostics when parsing invalid type expressions (#24326)

• Handle most "deep" mutual TypeVar constraints (#24079)

• Improve consistency and quality of diagnostics relating to invalid type forms (#24325)

• Improve robustness of various type-qualifier-related checks (#24251)

• Infer the

extra_items

keyword argument to class-based TypedDicts as an annotation expression (#24362)

• Use bidirectional inference to fix false positives on operations such as

x: list[int | None] = [None] * 2

(#24197)

• Sync vendored typeshed stubs (#24340). Typeshed diff

• Tighten up validation of subscripts and attributes in type expressions (#24329)

• Use

infer_type_expression

for parsing parameter annotations and return-type annotations (#24353)

• Use

infer_type_expression

for validating PEP-613 type aliases (#24370)

• Validate TypedDict fields when subclassing (#24338)

• Validate type qualifiers in functional TypedDict fields and the

extra_items

keyword to functional TypedDicts (#24360)

• Improve diagnostics for invalid functional `TypedDict`s (#24345)

Contributors

• `@​zsol`

• `@​dcreager`

• `@​charliermarsh`

• `@​oconnor663`

• `@​AlexWaygood`

• `@​Glyphack`

Commits • `927aad2` Bump version to 0.0.28 (#3206) • `29d288e` Publish installers to

/installers/ty/latest

on the mirror (#3202) • 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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