Release Notes

Released on 2026-01-09.

Bug fixes

• Fix super() with TypeVar-annotated self and cls parameter (#22208)
• Only consider fully static pivots when deriving transitive constraints (#22444)

LSP server

• Don't show diagnostics for excluded files (#22455)
• Fix goto definition for relative imports in third-party files (#22457)
• Improve completion ranking based on origin and exact match (#22460)
• Rank top-level module symbols above most other symbols (#22465)

Configuration

• Enable unused-ignore-comment by default (#22474)

Performance

• Improve UnionBuilder performance by changing Type::is_subtype_of calls to Type::is_redundant_with (#22337)
• Optimize union building for unions with many enum-literal members (#22363)-

Other changes

• Declare support for Python 3.14 (#2407)
• Remove dark-mode handling from PyPI-uploaded README (#2422)

Contributors

• @dhruvmanila
• @AlexWaygood
• @charliermarsh
• @BurntSushi
• @MichaReiser
• @dcreager

Install ty 0.0.11

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.11/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ty/releases/download/0.0.11/ty-installer.ps1 | iex"

Download ty 0.0.11

| File | Platform | Checksum | |--------|----------|----------| | ty-aarch64-apple-darwin.tar.gz | Apple Silicon macOS | checksum | | ty-x86_64-apple-darwin.tar.gz | Intel macOS | checksum | | ty-aarch64-pc-windows-msvc.zip | ARM64 Windows | checksum | | ty-i686-pc-windows-msvc.zip | x86 Windows | checksum | | | x64 Windows | | | | ARM64 Linux | | | | x86 Linux | | | | PPC64 Linux | | | | PPC64LE Linux | | | | S390x Linux | | | | x64 Linux | | | | ARMv7 Linux | | | | ARM64 MUSL Linux | | | | x86 MUSL Linux | | | | x64 MUSL Linux | | | | ARMv6 MUSL Linux (Hardfloat) | | | | ARMv7 MUSL Linux | |