Bump ty from 0.0.16 to 0.0.17

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Bumps ty from 0.0.16 to 0.0.17.

Release notes

Sourced from ty's releases.

0.0.17

Release Notes

Released on 2026-02-13.

Bug fixes

• Avoid Literal promotion for constrained TypeVars with Literal bounds (#23209)
• Fix false positives in TypeVar shadowing checks (#23222)

Core type checking

• Support generic protocols (#21902)
• Perform control-flow analysis in loops (#22794)
• Support typing.Self in attribute annotations (#23108)
• Support type narrowing in situations with calls to NoReturn functions (#23109)
• Support type narrowing and reachability analysis based on os.name checks (#23230)
• Detect overrides of Final class variables in subclasses (#23180)
• Fix bound method access on None (#23246)
• Fix method calls on subclasses of Any (#23248)
• Disallow type variables within PEP-695 type variable bounds and constraints (#22982)
• Emit error for attribute access on union where some elements lack the attribute (#23042)
• Emit error for invalid typevar defaults (#23194)
• Improve display of ParamSpecs in some situations (#23211)

LSP server

• Add hover and go-to-declaration support for subscript literals (#22837)
• Assign lower completion ranking to deprecated names in auto import (#23188)
• Improve spans of references to submodules imported in an __init__.py (#21795)
• Include conditional symbols (like datetime.UTC) in auto-import in more cases (#23249)
• Support auto-import for symbols in inlay hints (#22111)
• Include overload declarations in find-references (#23215)

Performance

• Avoid UnionBuilder overhead when creating a new union from the filtered elements of an existing union (#22352)

Other changes

• Allow discovering dependencies in system Python environments (#22994)
• Apply workspace settings to virtual files (#23228)
• Add support for --output-format=junit (#22125)
• Use a smaller diagnostic range for inconsistent-mro diagnostics (#23213)

Contributors

• @​carljm
• @​BurntSushi
• @​charliermarsh

... (truncated)

Changelog

Sourced from ty's changelog.

0.0.17

Released on 2026-02-13.

Bug fixes

• Avoid Literal promotion for constrained TypeVars with Literal bounds (#23209)
• Fix false positives in TypeVar shadowing checks (#23222)

Core type checking

• Support generic protocols (#21902)
• Perform control-flow analysis in loops (#22794)
• Support typing.Self in attribute annotations (#23108)
• Support type narrowing in situations with calls to NoReturn functions (#23109)
• Support type narrowing and reachability analysis based on os.name checks (#23230)
• Detect overrides of Final class variables in subclasses (#23180)
• Fix bound method access on None (#23246)
• Fix method calls on subclasses of Any (#23248)
• Disallow type variables within PEP-695 type variable bounds and constraints (#22982)
• Emit error for attribute access on union where some elements lack the attribute (#23042)
• Emit error for invalid typevar defaults (#23194)
• Improve display of ParamSpecs in some situations (#23211)

LSP server

• Add hover and go-to-declaration support for subscript literals (#22837)
• Assign lower completion ranking to deprecated names in auto import (#23188)
• Improve spans of references to submodules imported in an __init__.py (#21795)
• Include conditional symbols (like datetime.UTC) in auto-import in more cases (#23249)
• Support auto-import for symbols in inlay hints (#22111)
• Include overload declarations in find-references (#23215)

Performance

• Avoid UnionBuilder overhead when creating a new union from the filtered elements of an existing union (#22352)

Other changes

• Allow discovering dependencies in system Python environments (#22994)
• Apply workspace settings to virtual files (#23228)
• Add support for --output-format=junit (#22125)
• Use a smaller diagnostic range for inconsistent-mro diagnostics (#23213)

Contributors

• @​carljm
• @​BurntSushi
• @​charliermarsh
• @​Glyphack

... (truncated)

Commits

• 8cec857 [ty] Bump version to 0.0.17 (#2806)
• 3650f58 docs: Clarify that nvim-lspconfig is the recommended way of using ty in all v...
• 55b8ff2 Add note about fallback behavior to python in PATH (#2787)
• See full diff in compare view

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