No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
filterpy has 1.9M monthly downloads and 4K GitHub stars. Version 1.4.5, first published in 2014.
It is showing limited recent maintenance under a permissive license, last released in Oct 2018.
It is used by 64 tracked packages, including boxmot, norfair and deeplabcut.
Package Insights
Package Risks
- No releases in 1411 days despite active commits
- High downloads but no recent maintenance activity
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
78
Adoption
70
Community
60
Provenance
0
How the maintenance status was determined
Last commit
1414 days ago
Monthly downloads
1,948,715
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
1,948,715
Stars
3,848
Stars per 1k downloads
1.97
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
64,785
Month daily avg
64,957
Momentum
-0.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
Not specified
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
Package does not declare a minimum Python version.
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
2826 days ago
Total releases
46
Releases/year
3.9
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
33
Monthly downloads
1,948,715
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
67
Issue Burden
19.0
per 1k stars
Discussions
0.3
per 1k stars
Fork Ratio
4.9%
contrib / forks
Stale Release
1411d
PR Velocity
Quiet
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
52.4K
Windows
4.4K
macOS
414
Python Versions
3.10
70.6%
38.0K
3.12
13.8%
7.4K
3.11
7.1%
3.8K
3.9
4.6%
2.5K
3.7
4.0%
2.1K
Top Countries
1.
US
25.0K
US
2.
AU
5.5K
AU
3.
SG
5.2K
SG
4.
DE
2.9K
DE
5.
IE
2.6K
IE
6.
KR
2.5K
KR
7.
BR
2.5K
BR
8.
SE
2.4K
SE
9.
ZA
2.3K
ZA
10.
JP
914
JP
Dependencies
0
No dependencies
Used By
64
- boxmot
- norfair
- deeplabcut
- pose2sim
- ubc-solar-physics
- rdtools
- zebrazoom
- mustatil
- edgeiq
- cellworld-npx
- dnt
- tracklab
- pure-ab-3d-mot
- progpy
- fluctuationanalysistools
- dg-face-tracking
- pyppbox
- boxmot-with-tracker
- cv-pipeliner
- imageupscaler
- fmpose3d
- mstudio
- battlib
- msight-vision
- statespace
- mlcvzoo-tracker
- discopat
- kalman-estimation
- vsensebox
- solovision
- fcw-core-utils
- boxmot-with-appoint-id
- fcw-core
- initor-bot-inference
- neuroflex
- amr-x2-pose
- axtreme
- python-nature
- obscuro
- vbench2
- orchards-semantic-slam
- sort-tracker-py
- track-transportation
- pysnowdrop
- matrix-alt-objectlocalization
- basty
- sportslabkit
- ailabeler
- nano-filter
- collision-warning-service
Package Information
License
MIT
First Release
September 1, 2014
Last Release
7 years ago
Last Commit
3 years ago
Latest Version
1.4.5
Total Releases
46
Contributors
33
Open PRs
11
Archived
No
Author
Roger Labbe
Python Versions
2
2.7
3
3.4
3.5
3.6
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh