astral-sh/ty 0.0.40 on GitHub

Release Notes

Released on 2026-05-27.

Accept complete enum-literal alias unions as enums (#25341)
Fix diagnostics in ignored folders after adding new files (#25236)
Show LiteralString when hovering over an inline of a literal string in an IDE (#25373)

Follow aliases when attempting to map a definition in a stub file to its "real" runtime definition (#25328)
Treat Python notebook text documents as Python sources (#25393)
Fix autocompletion for elements inside incomplete list comprehensions (#25326)

Add a subdiagnostic help message to invalid-generic-class diagnostics regarding incompatible variance (#25385)

Ignore and reject annotations on non-name targets (#25324)
Infer class attributes assigned by metaclass initialization (#25342)
Reject inconsistent generic bases in "dynamic" classes created using type(...), types.new_type(...), etc. (#25413)
Resolve enum names for all unions arms in Literal enum subsets (#25379)
Support typing.TypeForm (#25334)
Fix many issues in the generics solver by using constraint sets more widely to solve type variables (#24540)

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ty/releases/download/0.0.40/ty-installer.sh | sh

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ty/releases/download/0.0.40/ty-installer.ps1 | iex"

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

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>