astral-sh/ruff

Maintenance

Active

Human commits, 30 days

358

Human commits, 90 days

1.2k

Human commits, 365 days

4.4k

Bot share of commits, 365 days

15%

Last commit

Oct 14, 2026 (16 hours ago)

Last human commit

Oct 14, 2026 (17 hours ago)

Authors, 90 days

50

Last release

Oct 9, 2026 (5 days ago)

Median PR merge time

4 hours

Responsiveness: of 27 recent issues, 100% got a maintainer reply. Median first response: 1 hour.

• Commit counts are estimated: the commit sample stops before the window start, so GitHub's totals were scaled by the sampled bot share.
• Authors in the last 90 days are counted from the sampled commits only.

Sources: Commits, Releases, Merged pull requests, Issues

People

Owner

Organization

Commits sampled

424 since Oct 14, 2025

Authors for half of commits

4

Authors for 80% of commits

9

Contributors

448

Top committers

• charliermarsh: 22% of commits
• AlexWaygood: 12% of commits
• carljm: 10% of commits
• ntBre: 8% of commits
• MichaReiser: 8% of commits

• Shares come from the newest sampled commits, since the commit sample is capped.

Sources: Commits, Contributors

Stars

Organic, confidence high

Bursts

• Oct 31, 2022 to Nov 5, 2022: about 318 more stars than usual, peak 128 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Dec 20, 2022 to Dec 29, 2022: about 809 more stars than usual, peak 230 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Apr 18, 2023 to Apr 27, 2023: about 1.5k more stars than usual, peak 657 in one day, a spike that tapers off. Outside explanation: a jump in forks.
• Aug 10, 2023 to Aug 11, 2023: about 70 more stars than usual, peak 64 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Oct 17, 2023 to Oct 18, 2023: about 74 more stars than usual, peak 63 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Oct 23, 2023 to Nov 8, 2023: about 1.1k more stars than usual, peak 172 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Feb 15, 2024 to Feb 23, 2024: about 677 more stars than usual, peak 200 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• May 24, 2024 to May 25, 2024: about 120 more stars than usual, peak 128 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Jan 31, 2025 to Feb 1, 2025: about 149 more stars than usual, peak 145 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• May 7, 2025 to May 10, 2025: about 193 more stars than usual, peak 86 in one day, a flat block of stars. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Dec 17, 2025 to Dec 19, 2025: about 82 more stars than usual, peak 62 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Mar 19, 2026 to Mar 21, 2026: about 185 more stars than usual, peak 124 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.
• Aug 2, 2026 to Aug 2, 2026: about 51 more stars than usual, peak 69 in one day, a spike that tapers off. Outside explanation: a jump in forks, a jump in issues and pull requests.

• 6 stars GitHub has since removed (tracked since Oct 13, 2026).

Anyone can buy stars for any repo; bursts alone don't prove the owner did.

• The star history looks organic.

Sources: How star history is analyzed

Risk

Flags

No risk flags.

License

Now

MIT (OSI-approved)

A year ago

MIT (OSI-approved)

Packages

• ruff (PYPI): latest 0.17.0, published Oct 9, 2026
  Advisories for the latest version: none listed

Package and advisory data: deps.dev and OSV.

Sources: GitHub: astral-sh/ruff, deps.dev: PyPI ruff