ruff 0.15.16

on Python PyPI

Release Notes

Released on 2026-06-04.

Preview features

• [flake8-async] Implement yield-in-context-manager-in-async-generator (ASYNC119) (#24644)
• [pylint] Narrow diagnostic range and exclude cases without exception handlers (PLW0717) (#25440)
• [ruff] Treat yield before break from a terminal loop as terminal (RUF075) (#25447)

Bug fixes

• [eradicate] Avoid flagging ruff:ignore comments as code (ERA001) (#25537)
• [eradicate] Fix ERA001/RUF100 conflict when noqa is on commented-out code (#25414)
• [pyflakes] Avoid removing the format call when it would change behavior (F523) (#25320)
• [pylint] Avoid syntax errors in invalid character replacements in f-strings before Python 3.12 (PLE2510, PLE2512, PLE2513, PLE2514, PLE2515) (#25544)
• [pyupgrade] Avoid converting format calls with more kinds of side effects (UP032) (#25484)

Rule changes

• [flake8-pytest-style] Avoid fixes for ambiguous argnames and argvalues combinations (PT006) (#24776)

Performance

• Drop excess capacity from statement suites during parsing (#25368)

Documentation

• [pydocstyle] Improve discoverability of rules enabled for each convention (#24973)
• [ruff] Restore example code for Python versions before 3.15 (RUF017) (#25439)
• Fix typo bin/active → bin/activate in tutorial (#25473)

Other changes

• Shrink additional parser AST collections (#25465)

Contributors

• @Redslayer112
• @koriyoshi2041
• @George-Ogden
• @TejasAmle
• @anishgirianish
• @ntBre
• @MichaReiser
• @loganrosen
• @RafaelJohn9
• @adityasingh2400

Install ruff 0.15.16

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.16/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.16/ruff-installer.ps1 | iex"

Download ruff 0.15.16

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>