Download Latest Version ruff-i686-pc-windows-msvc.zip (9.4 MB)
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Home / 0.16.4
Name Modified Size InfoDownloads / Week
Parent folder
ruff-x86_64-unknown-linux-musl.tar.gz.sha256 2026-08-20 104 Bytes
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sha256.sum 2026-08-20 81 Bytes
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source.tar.gz 2026-08-20 13.1 MB
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source.tar.gz.sha256 2026-08-20 81 Bytes
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ruff-x86_64-apple-darwin.tar.gz 2026-08-20 9.9 MB
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ruff-x86_64-apple-darwin.tar.gz.sha256 2026-08-20 98 Bytes
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ruff-x86_64-pc-windows-msvc.zip 2026-08-20 9.7 MB
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ruff-x86_64-pc-windows-msvc.zip.sha256 2026-08-20 98 Bytes
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ruff-x86_64-unknown-linux-gnu.tar.gz 2026-08-20 9.9 MB
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ruff-x86_64-unknown-linux-gnu.tar.gz.sha256 2026-08-20 103 Bytes
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ruff-x86_64-unknown-linux-musl.tar.gz 2026-08-20 10.3 MB
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ruff-installer.ps1 2026-08-20 22.6 kB
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ruff-installer.sh 2026-08-20 68.3 kB
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ruff-powerpc64le-unknown-linux-gnu.tar.gz 2026-08-20 10.9 MB
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ruff-powerpc64le-unknown-linux-gnu.tar.gz.sha256 2026-08-20 108 Bytes
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ruff-riscv64gc-unknown-linux-gnu.tar.gz 2026-08-20 10.2 MB
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ruff-riscv64gc-unknown-linux-gnu.tar.gz.sha256 2026-08-20 106 Bytes
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ruff-s390x-unknown-linux-gnu.tar.gz 2026-08-20 10.4 MB
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ruff-s390x-unknown-linux-gnu.tar.gz.sha256 2026-08-20 102 Bytes
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ruff-armv7-unknown-linux-gnueabihf.tar.gz.sha256 2026-08-20 108 Bytes
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ruff-armv7-unknown-linux-musleabihf.tar.gz 2026-08-20 9.4 MB
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ruff-armv7-unknown-linux-musleabihf.tar.gz.sha256 2026-08-20 109 Bytes
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ruff-i686-pc-windows-msvc.zip 2026-08-20 9.4 MB
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ruff-i686-pc-windows-msvc.zip.sha256 2026-08-20 96 Bytes
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ruff-i686-unknown-linux-gnu.tar.gz 2026-08-20 10.2 MB
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ruff-i686-unknown-linux-gnu.tar.gz.sha256 2026-08-20 101 Bytes
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ruff-i686-unknown-linux-musl.tar.gz 2026-08-20 9.9 MB
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ruff-i686-unknown-linux-musl.tar.gz.sha256 2026-08-20 102 Bytes
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ruff-aarch64-unknown-linux-gnu.tar.gz.sha256 2026-08-20 104 Bytes
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ruff-aarch64-unknown-linux-musl.tar.gz 2026-08-20 9.6 MB
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ruff-aarch64-unknown-linux-musl.tar.gz.sha256 2026-08-20 105 Bytes
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ruff-arm-unknown-linux-musleabihf.tar.gz 2026-08-20 9.6 MB
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ruff-arm-unknown-linux-musleabihf.tar.gz.sha256 2026-08-20 107 Bytes
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ruff-armv7-unknown-linux-gnueabihf.tar.gz 2026-08-20 9.4 MB
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dist-manifest.json 2026-08-20 44.6 kB
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ruff-aarch64-apple-darwin.tar.gz 2026-08-20 9.3 MB
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ruff-aarch64-apple-darwin.tar.gz.sha256 2026-08-20 99 Bytes
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ruff-aarch64-pc-windows-msvc.zip 2026-08-20 9.6 MB
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ruff-aarch64-pc-windows-msvc.zip.sha256 2026-08-20 99 Bytes
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ruff-aarch64-unknown-linux-gnu.tar.gz 2026-08-20 9.5 MB
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0.16.4 source code.tar.gz 2026-08-20 13.1 MB
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0.16.4 source code.zip 2026-08-20 18.7 MB
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README.md 2026-08-20 9.2 kB
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Totals: 43 Items   212.4 MB 0

Release Notes

Released on 2026-08-20.

Preview features

  • [flake8-use-pathlib] Add autofix for PTH116 (#26460)
  • [refurb] Restrict delete-full-slice to lists (FURB131) (#27711)
  • [refurb] Skip FURB101 and FURB103 when the open argument is a file descriptor (#27643)

Bug fixes

  • Fix InvalidInstruction on Windows CPUs that do not support POPCNT (#27803)
  • [pyflakes] Emit semantic syntax errors in string type definitions as F722 (#27835)
  • [pylint] Allow os._exit imports in import-private-name (PLC2701) (#27738)

Rule changes

  • [syntax-errors] Align mixed t-string/bytes error message with CPython 3.14 (#27766)
  • [ruff] Add ctypes.LittleEndianStructure and related types to existing exception (RUF012) (#27753)
  • [syntax-errors] Detect duplicate keyword arguments (#17804)
  • [syntax-errors] Detect parameters declared nonlocal (#27628)

Server

  • Offer display-only fixes and mark safe fixes preferred (#27807)
  • Support pull diagnostics for notebook cells (#27779)

Documentation

  • Add default indicator to rules table (#27724)
  • Fix broken link to Python docs (#27757)

Other changes

  • Fix s390x stacker assembly in release builds (#27776)
  • Guarantee minimum stack size when parsing a module, standalone expression, and suites (#25464)
  • Reduce configuration deserialization code size (#27924)
  • Check packed AST index bounds (#27849)

Contributors

Install ruff 0.16.4

Install prebuilt binaries via shell script

:::sh
curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.16.4/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh
powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.16.4/ruff-installer.ps1 | iex"

Download ruff 0.16.4

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-powerpc64-unknown-linux-gnu.tar.gz (releases.astral.sh) PPC64 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 2026-08-20