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@github-actions github-actions released this 18 Jul 01:40
Immutable release. Only release title and notes can be modified.
0.0.61
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Release Notes

Released on 2026-07-17.

Bug fixes

  • Avoid recursive protocol structural comparisons (#26721)

LSP server

  • Render Google docstrings as structured Markdown (#26599)

Library support

  • Pydantic: Collect field metadata through subscripted generic Annotated aliases (#26885)

Diagnostics

  • Avoid extending own-line suppressions in --add-ignore (#26808)

Core type checking

  • Derive descriptor setter domains for protocols (#26683)
  • Enforce declared receiver TypeVar domains (#26863)
  • Infer isinstance results for aliases and type variables (#26961)
  • Infer isinstance results for fixed class tuples (#26935)
  • Narrow inline list and set membership checks (#26955)
  • Narrow tagged unions by tag truthiness (#26887)
  • Narrow walrus expression values (#26949)
  • Project intersections in to_instance (#26892)
  • Remove inferable TypeVar artifacts recursively (#26787)
  • Respect mixin receiver domains in method overrides (#26941)
  • Support TypeVarTuple and Unpack (#25240)

Performance

  • Deduplicate completion labels (#26890)
  • Only collect expected types for files open in the editor (#25546)
  • Parallelize subtype hierarchy search (#26875)
  • Share heap-backed parser names with CharStr (#26594)
  • Use the new incremental checker from the ignore crate (#26933)

Contributors

Install ty 0.0.61

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.61/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.61/ty-installer.ps1 | iex"

Download ty 0.0.61

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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