python/cpython

Maintenance

Active

Human commits, 30 days

447

Human commits, 90 days

1.3k

Human commits, 365 days

4.8k

Bot share of commits, 365 days

1%

Last commit

Oct 14, 2026 (20 hours ago)

Last human commit

Oct 14, 2026 (20 hours ago)

Authors, 90 days

118

Last release

none found

Median PR merge time

1 hour

Responsiveness: of 16 recent issues, 81% got a maintainer reply. Median first response: under an 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

495 since Oct 14, 2025

Authors for half of commits

5

Authors for 80% of commits

33

Contributors

357

Top committers

• vstinner: 24% of commits
• serhiy-storchaka: 15% of commits
• StanFromIreland: 6% of commits
• pablogsal: 5% of commits
• hugovk: 3% of commits

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

Sources: Commits, Contributors

Stars

Mostly organic, confidence high

Bursts

• Jun 30, 2017 to Jul 10, 2017: about 2.4k more stars than usual, peak 988 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Jun 1, 2020 to Jun 2, 2020: about 134 more stars than usual, peak 97 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jul 22, 2022 to Jul 22, 2022: about 66 more stars than usual, peak 86 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• May 3, 2023 to May 10, 2023: about 246 more stars than usual, peak 61 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Aug 7, 2023 to Aug 8, 2023: about 95 more stars than usual, peak 98 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Nov 13, 2023 to Nov 15, 2023: about 135 more stars than usual, peak 84 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• May 5, 2024 to May 6, 2024: about 66 more stars than usual, peak 67 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jul 14, 2024 to Jul 15, 2024: about 90 more stars than usual, peak 81 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Aug 7, 2024 to Aug 8, 2024: about 137 more stars than usual, peak 92 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Sep 9, 2024 to Sep 10, 2024: about 54 more stars than usual, peak 53 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Jan 4, 2026 to Jan 6, 2026: about 306 more stars than usual, peak 153 in one day, a spike that tapers off. No outside explanation found, so this burst is unexplained.
• Aug 2, 2026 to Aug 2, 2026: about 80 more stars than usual, peak 99 in one day, a spike that tapers off. Outside explanation: a jump in issues and pull requests.
• Aug 17, 2026 to Sep 13, 2026: about 2.5k more stars than usual, peak 412 in one day, a shape we can't classify. No outside explanation found, so this burst is unexplained.
• Oct 13, 2026 to Oct 13, 2026: about 99 more stars than usual, peak 118 in one day, a shape we can't classify. Outside explanation: a jump in issues and pull requests.

• 7 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.

• Some star bursts have no matching forks, issues, releases, or launch coverage.
• Anyone can buy stars for any repo, so this describes the star history only.

Sources: How star history is analyzed

Risk

Flags

No risk flags.

License

Now

ISC (OSI-approved)

A year ago

ISC (OSI-approved)

Packages

No published packages found.

OpenSSF Scorecard: 7.9 out of 10 (via deps.dev).

Sources: GitHub: python/cpython