What’s New

ruff 0.15.20

0.15.20
Added
  • Allow human-readable names in rule selectors
Changed
  • Emit a warning instead of an error for unknown rule selectors
  • Match noqa shebang handling in ruff:ignore comments
Removed
  • Remove pytest-fixture-autouse (RUF076)
Release Notes

Released on 2026-06-25.

Preview features
  • Allow human-readable names in rule selectors (#25887)
  • Emit a warning instead of an error for unknown rule selectors (#26113)
  • Match noqa shebang handling in ruff:ignore comments (#26286)
  • [ruff] Remove pytest-fixture-autouse (RUF076) (#26240, #26371)
Documentation
  • Add versioning sections to custom crate READMEs (#26317)
  • Update ruff_python_parser README for crates.io (#26315)
  • [perflint] Clarify that PERF402 applies to any iterable (#26242)
Contributors
Install ruff 0.15.20
Install prebuilt binaries via shell script
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.20/ruff-installer.sh | sh
Install prebuilt binaries via powershell script
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.20/ruff-installer.ps1 | iex"
Download ruff 0.15.20
FilePlatformChecksum
ruff-aarch64-apple-darwin.tar.gzApple Silicon macOSchecksum
ruff-x86_64-apple-darwin.tar.gzIntel macOSchecksum
ruff-aarch64-pc-windows-msvc.zipARM64 Windowschecksum
ruff-i686-pc-windows-msvc.zipx86 Windowschecksum
ruff-x86_64-pc-windows-msvc.zipx64 Windowschecksum
ruff-aarch64-unknown-linux-gnu.tar.gzARM64 Linuxchecksum
ruff-i686-unknown-linux-gnu.tar.gzx86 Linuxchecksum
ruff-powerpc64-unknown-linux-gnu.tar.gzPPC64 Linuxchecksum
ruff-powerpc64le-unknown-linux-gnu.tar.gzPPC64LE Linuxchecksum
ruff-riscv64gc-unknown-linux-gnu.tar.gzRISCV Linuxchecksum
ruff-s390x-unknown-linux-gnu.tar.gzS390x Linuxchecksum
ruff-x86_64-unknown-linux-gnu.tar.gzx64 Linuxchecksum
ruff-armv7-unknown-linux-gnueabihf.tar.gzARMv7 Linuxchecksum
ruff-aarch64-unknown-linux-musl.tar.gzARM64 MUSL Linuxchecksum
ruff-i686-unknown-linux-musl.tar.gzx86 MUSL Linuxchecksum
ruff-x86_64-unknown-linux-musl.tar.gzx64 MUSL Linuxchecksum
ruff-arm-unknown-linux-musleabihf.tar.gzARMv6 MUSL Linux (Hardfloat)checksum
ruff-armv7-unknown-linux-musleabihf.tar.gzARMv7 MUSL Linuxchecksum
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/ruff

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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