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source.tar.gz.sha256 < 19 hours ago 81 Bytes
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ruff-x86_64-unknown-linux-gnu.tar.gz.sha256 < 19 hours ago 103 Bytes
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source.tar.gz < 19 hours ago 14.5 MB
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ruff-x86_64-apple-darwin.tar.gz.sha256 < 19 hours ago 98 Bytes
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ruff-x86_64-pc-windows-msvc.zip.sha256 < 19 hours ago 98 Bytes
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ruff-x86_64-unknown-linux-gnu.tar.gz < 19 hours ago 10.0 MB
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ruff-x86_64-unknown-linux-musl.tar.gz < 19 hours ago 10.4 MB
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ruff-s390x-unknown-linux-gnu.tar.gz < 19 hours ago 10.6 MB
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ruff-s390x-unknown-linux-gnu.tar.gz.sha256 < 19 hours ago 102 Bytes
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ruff-x86_64-apple-darwin.tar.gz < 19 hours ago 10.1 MB
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ruff-i686-unknown-linux-musl.tar.gz.sha256 < 19 hours ago 102 Bytes
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ruff-installer.ps1 < 19 hours ago 22.6 kB
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ruff-installer.sh < 19 hours ago 69.6 kB
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ruff-armv7-unknown-linux-gnueabihf.tar.gz.sha256 < 19 hours ago 108 Bytes
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ruff-armv7-unknown-linux-musleabihf.tar.gz < 19 hours ago 9.5 MB
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ruff-armv7-unknown-linux-musleabihf.tar.gz.sha256 < 19 hours ago 109 Bytes
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ruff-i686-pc-windows-msvc.zip < 19 hours ago 9.8 MB
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ruff-aarch64-unknown-linux-gnu.tar.gz < 19 hours ago 9.4 MB
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ruff-aarch64-unknown-linux-gnu.tar.gz.sha256 < 19 hours ago 104 Bytes
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ruff-aarch64-unknown-linux-musl.tar.gz < 19 hours ago 9.6 MB
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dist-manifest.json < 19 hours ago 41.5 kB
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ruff-aarch64-apple-darwin.tar.gz.sha256 < 19 hours ago 99 Bytes
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ruff-aarch64-pc-windows-msvc.zip < 19 hours ago 9.8 MB
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ruff-aarch64-pc-windows-msvc.zip.sha256 < 19 hours ago 99 Bytes
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0.17.1 source code.tar.gz < 19 hours ago 14.5 MB
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0.17.1 source code.zip < 19 hours ago 20.2 MB
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README.md < 19 hours ago 7.2 kB
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Totals: 43 Items   218.4 MB 0

Release Notes

Released on 2026-10-15.

Preview features

  • [pycodestyle] Don't treat None, True, or False as keywords (E271-E274) (#29322)

Bug fixes

  • Fix dedent with multiple leading comments (#29382)
  • [flake8-pyi] Detect legacy positional-only parameters in __new__ methods (PYI063) (#28502)
  • [flake8-pyi] Fix false positives on quoted annotations (PYI036) (#29274)
  • [perflint] Avoid invalid comprehension suggestions (PERF401, PERF403) (#29366)

Rule changes

  • Treat more collections and weakref containers as mutable (#29213)

Documentation

  • [flake8-import-conventions] Update default and example aliases (#29333)

Contributors

Install ruff 0.17.1

Install prebuilt binaries via shell script

:::sh
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.17.1/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.17.1/ruff-installer.ps1 | iex"

Download ruff 0.17.1

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

:::sh
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:

:::sh
gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>
Source: README.md, updated 2026-10-15