No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

flake8-bugbear has 4.3M monthly downloads and 1K GitHub stars. Version 25.11.29 supports Python 3.10+, first published in 2016.

It is actively maintained under a permissive license, last released in Nov 2025.

It is built on top of attrs and flake8. It is used by 27 tracked packages, including python-dev-tools, flake8-config-yoctol and flake8-tergeo.

GitHub topics include code-quality, linter and linter-plugin.

Downloads
Day
140.1K
Week
987.4K
Month
4.3M
Stars
1.1K
Forks
120
Issues
60
Version
25.11.29

Package Insights

Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
63
Adoption
70
Community
70
Provenance
0
How the maintenance status was determined
Last commit
14 days ago
Monthly downloads
4,332,906
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
4,332,906
Stars
1,113
Stars per 1k downloads
0.26
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
141,062
Month daily avg
144,430
Momentum
-2.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
219 days ago
Total releases
75
Releases/year
7.3
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
122
Monthly downloads
4,332,906
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
57
 
Issue Burden
53.9
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
101.7%
contrib / forks
Stale Release
205d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 64.7K
macOS 936
Windows 919

Python Versions

3.11
28.2% 15.3K
3.9
25.3% 13.7K
3.12
20.3% 11.0K
3.10
17.3% 9.4K
3.13
8.8% 4.8K

Top Countries

1. US US
55.1K
2. SG SG
2.5K
3. DE DE
2.0K
4. IE IE
1.9K
5. AU AU
939
6. CN CN
781
7. NL NL
533
8. HK HK
526
9. IT IT
352
10. CA CA
256
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
MIT
First Release
April 13, 2016
Last Release
7 months ago
Last Commit
2 weeks ago
Latest Version
25.11.29
Total Releases
75
Contributors
122
Open PRs
3
Archived
No
Python Versions
3 3.10 3.11 3.12 3.13 3.14
Wheels
py3 py35 py36 py37 py38
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh