pypi ty 0.0.58
on Python PyPI

5 hours ago

Release Notes

Released on 2026-07-09.

Bug fixes

  • Fix protocol matching for class variables (#26669)
  • Fix reflected binary dispatch for runtime classes (#26623)
  • Support cached properties in protocols (#26681)

Diagnostics

  • Add assignability context to upper-bound diagnostics (#26645)
  • Add blanket ignore comment rule (#26426)
  • Improve protocol attribute diagnostic context (#26644)

Library support

  • Pydantic: Add fields from mixin classes (#26631)
  • Pydantic: Add support for validate_by_{name,alias} (#26598)
  • Pydantic: Add support for validation_alias (#26629)
  • Pydantic: Fix float conversion in unions (#26655)
  • Pydantic: Ignore private attributes (#26630)
  • Pydantic: Make BaseSettings fields optional by default (#26628)
  • Pydantic: Recognize frozen models via config (#26648)
  • Pydantic: Support dict model configurations (#26632)
  • Pydantic: Support validation of RootModel fields (#26634)
  • Pydantic: Understand ellipsis as providing no default value (#26637)

Core type checking

  • Gate membership narrowing on __contains__ semantics (#25964)
  • Handle callable classes in solver (#26090)
  • Infer ModuleType.__doc__ as str in the presence of a docstring (#26505)
  • Infer metaclass-declared attributes on class instances (#26512)
  • Respect user stub overlays during module resolution (#26123)

Performance

  • Avoid allocating decorated parameter names (#26666)
  • Optimize TypeCollector (#26593)

Contributors

Install ty 0.0.58

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.58/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.58/ty-installer.ps1 | iex"

Download ty 0.0.58

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
ty-x86_64-pc-windows-msvc.zip x64 Windows checksum
ty-aarch64-unknown-linux-gnu.tar.gz ARM64 Linux checksum
ty-i686-unknown-linux-gnu.tar.gz x86 Linux checksum
ty-powerpc64-unknown-linux-gnu.tar.gz PPC64 Linux checksum
ty-powerpc64le-unknown-linux-gnu.tar.gz PPC64LE Linux checksum
ty-riscv64gc-unknown-linux-gnu.tar.gz RISCV Linux checksum
ty-s390x-unknown-linux-gnu.tar.gz S390x Linux checksum
ty-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum
ty-armv7-unknown-linux-gnueabihf.tar.gz ARMv7 Linux checksum
ty-aarch64-unknown-linux-musl.tar.gz ARM64 MUSL Linux checksum
ty-i686-unknown-linux-musl.tar.gz x86 MUSL Linux checksum
ty-x86_64-unknown-linux-musl.tar.gz x64 MUSL Linux checksum
ty-arm-unknown-linux-musleabihf.tar.gz ARMv6 MUSL Linux (Hardfloat) checksum
ty-armv7-unknown-linux-musleabihf.tar.gz ARMv7 MUSL Linux checksum

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI: 

gh attestation verify <file-path of downloaded artifact> --repo astral-sh/ty

You can also download the attestation from GitHub and verify against that directly: 

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>
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