Bump ty from 0.0.60 to 0.0.63 in /python

[dependabot]

Bumps ty from 0.0.60 to 0.0.63.

Release notes

Sourced from ty's releases.

0.0.63

Release Notes

Released on 2026-07-23.

Core type checking

• Handle generic stringified PEP 613 (typing.TypeAlias) type aliases (#27092)
• Allow equality narrowing across non-final classes (#27031)
• Allow interpolated string literals to be promoted to str (#27104)
• Fix double specialization of generic type aliases (#27058)
• Fix intersections of type and TypeForm (#27099)
• When narrowing from a match statement leads a variable x to be inferred as A & B, infer the type of x.attr as <type of A.attr> & <type of B.attr> (#27103)

Library support

• Pydantic: Stricter validation of sub-model fields in lax mode (#27091)
• Pydantic: Support special underscore parameters in BaseSettings models (#27098)

Performance

• Avoid exponential narrowing of optional dynamic match subjects (#27100)
• Avoid normalizing cached absolute file paths (#26998)

Contributors

• @​sharkdp
• @​charliermarsh
• @​ibraheemdev
• @​carljm

Install ty 0.0.63

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.63/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.63/ty-installer.ps1 | iex"

Download ty 0.0.63

File	Platform	Checksum
ty-aarch64-apple-darwin.tar.gz	Apple Silicon macOS	checksum

... (truncated)

Changelog

Sourced from ty's changelog.

0.0.63

Released on 2026-07-23.

Core type checking

• Handle generic stringified PEP 613 (typing.TypeAlias) type aliases (#27092)
• Allow equality narrowing across non-final classes (#27031)
• Allow interpolated string literals to be promoted to str (#27104)
• Fix double specialization of generic type aliases (#27058)
• Fix intersections of type and TypeForm (#27099)
• When narrowing from a match statement leads a variable x to be inferred as A & B, infer the type of x.attr as <type of A.attr> & <type of B.attr> (#27103)

Library support

• Pydantic: Stricter validation of sub-model fields in lax mode (#27091)
• Pydantic: Support special underscore parameters in BaseSettings models (#27098)

Performance

• Avoid exponential narrowing of optional dynamic match subjects (#27100)
• Avoid normalizing cached absolute file paths (#26998)

Contributors

• @​sharkdp
• @​charliermarsh
• @​ibraheemdev
• @​carljm

0.0.62

Released on 2026-07-21.

Bug fixes

• Guard recursive Protocol and TypedDict relations (#26990)
• Prevent stack overflows in recursive type relation checks (#26503)
• Recover from cancelled file indexing (#26876)

Diagnostics

• Avoid editing ignore comments with trailing reasons (#26939)
• Prefer innermost inline suppressions (#26940)
• Remove unused own-line ignore comments (#27013)
• Reuse applicable own-line suppressions in --add-ignore (#26925)

Configuration

• Respect rules and analysis in PEP 723 script metadata configurations (#26671)

... (truncated)

Commits

• 46f4915 Bump version to 0.0.63 (#4071)
• df75992 Bump version to 0.0.62 (#4057)
• 48dd1fd Update prek dependencies (#4059)
• f53a95e Update astral-sh/setup-uv action to v9 (#4060)
• 17d1791 Update dependency prek to v0.4.9 (#4058)
• eb7e7ba Update documentation on mypy/pyright --strict parity, and achieving maximum...
• 56b2c24 Update changelog for 0.0.61 (#4028)
• 4c865c8 Bump version to 0.0.61 (#4027)
• See full diff in compare view

[Copilot]

Pull request overview

Note

Copilot could not run the full agentic suite for this review because it was automatically requested on a bot-authored pull request. Request a review from Copilot under Reviewers to retry with the full agentic suite. Improved support for bot-authored pull requests is coming soon.

Updates the Python dev dependency set by bumping the ty tool version.

Changes:

• Bump ty from 0.0.60 to 0.0.63 in dev dependencies.