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0.16.3

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@github-actions github-actions released this 13 Aug 15:18
Immutable release. Only release title and notes can be modified.
0.16.3
b0e4702
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Release Notes

Released on 2026-08-13.

Preview features

  • [pylint] Fix false negatives on negative numbers (PLR6104) (#27251)
  • [pyupgrade] Add rule to replace while 1 with while True (UP048) (#27190)

Bug fixes

  • [flake8-bandit] Also check keyword arguments (S602, S603, S607, S609) (#27687)
  • [pylint] Allow continue in finally on Python 3.8 (#27626)
  • [pylint] Fix PLE1307 false positive with bools (#27651)
  • [pylint] Fix false positives and negatives with %b format character (PLE1300, PLE1307) (#27560)
  • [pylint] Improve handling of concatenated strings (PLE1300) (#27659)

Rule changes

  • [numpy] Make np.chararray autofix backwards-compatible (NPY201) (#27527)

Performance

  • Enable PGO for Linux x86-64 Ruff releases (#27570)
  • Enable PGO for Linux ARM64 Ruff releases (#27574)
  • Enable PGO for Windows x86-64 Ruff releases (#27573)
  • Enable PGO for macOS ARM64 Ruff releases (#27572)
  • Reduce Expr size to 64 bytes (#27591)

CLI

  • Hyperlink rule codes in ruff check --statistics output (#27646)

Documentation

  • [ruff] Also suggest asyncio.TaskGroup (RUF006) (#27461)

Other changes

Contributors

Install ruff 0.16.3

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.16.3/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.16.3/ruff-installer.ps1 | iex"

Download ruff 0.16.3

File Platform Checksum
ruff-aarch64-apple-darwin.tar.gz Apple Silicon macOS checksum
ruff-x86_64-apple-darwin.tar.gz Intel macOS checksum
ruff-aarch64-pc-windows-msvc.zip ARM64 Windows checksum
ruff-i686-pc-windows-msvc.zip x86 Windows checksum
ruff-x86_64-pc-windows-msvc.zip x64 Windows checksum
ruff-aarch64-unknown-linux-gnu.tar.gz ARM64 Linux checksum
ruff-i686-unknown-linux-gnu.tar.gz x86 Linux checksum
ruff-powerpc64-unknown-linux-gnu.tar.gz PPC64 Linux checksum
ruff-powerpc64le-unknown-linux-gnu.tar.gz PPC64LE Linux checksum
ruff-riscv64gc-unknown-linux-gnu.tar.gz RISCV Linux checksum
ruff-s390x-unknown-linux-gnu.tar.gz S390x Linux checksum
ruff-x86_64-unknown-linux-gnu.tar.gz x64 Linux checksum
ruff-armv7-unknown-linux-gnueabihf.tar.gz ARMv7 Linux checksum
ruff-aarch64-unknown-linux-musl.tar.gz ARM64 MUSL Linux checksum
ruff-i686-unknown-linux-musl.tar.gz x86 MUSL Linux checksum
ruff-x86_64-unknown-linux-musl.tar.gz x64 MUSL Linux checksum
ruff-arm-unknown-linux-musleabihf.tar.gz ARMv6 MUSL Linux (Hardfloat) checksum
ruff-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/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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