astral-sh/ty 0.0.1-alpha.33

on GitHub

Release Notes

Released on 2025-12-09.

Bug fixes

• Fix assignability problem between tuple[Any, ...] and tuple[int, *tuple[int, ...]] (#21803)
• Avoid diagnostic when typing_extensions.ParamSpec uses a default parameter (#21839)
• Avoid crash for invalid Annotated subscript (#21837)
• Avoid crash for invalid Final subscript (#21828)
• Fix overload filtering to prefer more precise match when *args: Any is involved (#21859)
• Handle various invalid explicit specializations for ParamSpec (#21821)
• Fix stack overflow with recursive generic protocols (depth limit) (#21858)

LSP server

• Add autocomplete suggestions for parameters in function calls (#21796)
• Don't create a related diagnostic for the primary annotation of sub-diagnostics (#21845)
• Stabilize auto-import (#21851)
• Suppress inlay hints when assigning a trivial initializer call (#21848)
• Use concise message for LSP clients not supporting related diagnostic information (#21850)
• Fix add-import action for reveal_type (#21668)

Core type checking

• Infer type variables within generic unions (#21862)
• Type inference for @asynccontextmanager (#21876)
• Make Python-version subdiagnostics less verbose (#21849)

Contributors

• @BurntSushi
• @dhruvmanila
• @AlexWaygood
• @carljm
• @Gankra
• @charliermarsh
• @RasmusNygren
• @sharkdp
• @MichaReiser

Install ty 0.0.1-alpha.33

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.33/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.33/ty-installer.ps1 | iex"

Download ty 0.0.1-alpha.33