ruff 0.15.12

on Python PyPI

Release Notes

Released on 2026-04-24.

Preview features

• Implement #ruff:file-ignore file-level suppressions (#23599)
• Implement #ruff:ignore logical-line suppressions (#23404)
• Revert preview changes to displayed diagnostic severity in LSP (#24789)
• [airflow] Implement task-branch-as-short-circuit (AIR004) (#23579)
• [flake8-bugbear] Fix break/continue handling in loop-iterator-mutation (B909) (#24440)
• [pylint] Fix PLC2701 for type parameter scopes (#24576)

Rule changes

• [pandas-vet] Suggest .array as well in PD011 (#24805)

CLI

• Respect default Unix permissions for cache files (#24794)

Documentation

• [pylint] Fix PLR0124 description not to claim self-comparison always returns the same value (#24749)
• [pyupgrade] Expand docs on reusable TypeVars and scoping (UP046) (#24153)
• Improve rules table accessibility (#24711)

Contributors

• @dylwil3
• @AlexWaygood
• @woodruffw
• @avasis-ai
• @Dev-iL
• @denyszhak
• @ShipItAndPray
• @anishgirianish
• @augustelalande
• @amyreese
• @majiayu000

Install ruff 0.15.12

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.12/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.12/ruff-installer.ps1 | iex"

Download ruff 0.15.12

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>