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@astral-automations-bot astral-automations-bot released this 31 Jul 19:43
Immutable release. Only release title and notes can be modified.
0.12.1
329541a
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Release Notes

Released on 2026-07-31.

Enhancements

  • Add package-specific pre-release policies with --prerelease-package (#20837)
  • Support local HTML files as flat indexes (#20802)
  • Add Xonsh virtual environment activation scripts (activate.xsh) (#19740)
  • Preserve filesystem paths passed to uv add --index when updating pyproject.toml (#20817)

Preview features

  • Add automatic fixes to uv check with --fix (#20793)
  • Avoid rejecting unchanged metadata-free lockfiles when workspace dependencies share direct sources (#20847)
  • Honor direct URL constraints when validating metadata-free lockfiles (#20796)
  • Ignore malformed PEP 723 scripts discovered during project checks (#20784)
  • Use ty's native script exclusion in uv check (#20742)

Performance

  • Parse canonical uv lockfiles directly, with a fallback for other valid TOML syntax (#20648)
  • Accelerate SHA-256 hashing on non-Windows ARM64 platforms (#20805)

Bug fixes

  • Flush shell startup file updates before uv tool update-shell and uv python update-shell exit (#20842)
  • Make workspace-root dependency groups available to commands run from workspace members (#20840)
  • Resolve --find-links paths in requirements files relative to the containing file (#20832)
  • Respect configured indexes in uv tool list --outdated (#20770)

Documentation

  • Document Astral GPU indexes in the PyTorch guide (#20785)
  • Use consistent dependency-group argument descriptions throughout the CLI documentation (#20823)

Install uv 0.12.1

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/uv/releases/download/0.12.1/uv-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/uv/releases/download/0.12.1/uv-installer.ps1 | iex"

Download uv 0.12.1

File Platform Checksum
uv-aarch64-apple-darwin.tar.gz Apple Silicon macOS checksum
uv-x86_64-apple-darwin.tar.gz Intel macOS checksum
uv-aarch64-pc-windows-msvc.zip ARM64 Windows checksum
uv-i686-pc-windows-msvc.zip x86 Windows checksum
uv-x86_64-pc-windows-msvc.zip x64 Windows checksum
uv-aarch64-unknown-linux-gnu.tar.gz ARM64 Linux checksum
uv-i686-unknown-linux-gnu.tar.gz x86 Linux checksum
uv-powerpc64le-unknown-linux-gnu.tar.gz PPC64LE Linux checksum
uv-riscv64gc-unknown-linux-gnu.tar.gz RISCV Linux checksum
uv-s390x-unknown-linux-gnu.tar.gz S390x Linux checksum
uv-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum
uv-armv7-unknown-linux-gnueabihf.tar.gz ARMv7 Linux checksum
uv-aarch64-unknown-linux-musl.tar.gz ARM64 MUSL Linux checksum
uv-i686-unknown-linux-musl.tar.gz x86 MUSL Linux checksum
uv-riscv64gc-unknown-linux-musl.tar.gz RISCV MUSL Linux checksum
uv-x86_64-unknown-linux-musl.tar.gz x64 MUSL Linux checksum
uv-arm-unknown-linux-musleabihf.tar.gz ARMv6 MUSL Linux (Hardfloat) checksum
uv-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/uv

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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