ruff 0.15.17

on Python PyPI

Release Notes

Released on 2026-06-11.

Preview features

• Allow human-readable names in suppression comments (#25614)
• Fix handling of ignore comments within a disable/enable pair (#25845)
• Prioritize human-readable names in CLI output (#25869)
• Respect diagnostic start and parent ranges and trailing comments in ruff:ignore suppressions (#25673)
• [flake8-async] Add trio.as_safe_channel to safe decorators (ASYNC119) (#25775)
• [flake8-pytest-style] Also check pytest_asyncio fixtures (#25375)
• [ruff] Ban pytest autouse fixtures (RUF076) (#25477)
• [pyupgrade] Add from __future__ import annotations automatically (UP007, UP045) (#23259)

Bug fixes

• Fix diagnostic when ruff:enable or ruff:disable appears where ruff:ignore is expected (#25700)
• [pyupgrade] Preserve leading empty literals to avoid syntax errors (UP032) (#25491)

Rule changes

• [flake8-pytest-style] Clarify diagnostic message for single parameters (PT007) (#25592)
• [numpy] Drop autofix for np.in1d (NPY201) (#25612)
• [pylint] Exempt Python version comparisons (PLR2004) (#25743)

Performance

• Reserve AST Vecs with correct capacity for common cases (#25451)

Formatter

• Preserve whitespace for Quarto cell option comments (#25641)

CLI

• Allow rule names in ruff rule (#25640)

Other changes

• Fix playground diagnostics scrollbars (#25642)

Contributors

• @SuryanshSS1011
• @anishgirianish
• @romero-deshaw
• @karlhillx
• @carljm
• @ntBre
• @11happy
• @Kilo59
• @oconnor663
• @LeonidasZhak
• @DavisVaughan
• @MeGaGiGaGon
• @jonathandung
• @MichaReiser
• @brianmego

Install ruff 0.15.17

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.17/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.17/ruff-installer.ps1 | iex"

Download ruff 0.15.17

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>