No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
qdldl has 1.7M monthly downloads and 18 GitHub stars. Version 0.1.9.post1, first published in 2020.
It is stably maintained under a permissive license, last released in Feb 2026.
It is built on top of numpy and scipy. It is used by 11 tracked packages, including cvxpy, cvxpy-base and isaacsim-core.
GitHub topics include linear-algebra, numerical-analysis and numerical-optimization.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
55
Popularity
31
Adoption
80
Community
65
Provenance
0
How the maintenance status was determined
Last commit
137 days ago
Monthly downloads
1,739,766
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
1,739,766
Stars
18
Stars per 1k downloads
0.01
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
59,809
Month daily avg
57,992
Momentum
+3.1%
((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
Apache 2.0
•
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
137 days ago
Total releases
17
Releases/year
2.6
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
11
Monthly downloads
1,739,766
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
60
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
47.8%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
29.6K
Windows
2.5K
macOS
944
Python Versions
3.12
43.4%
13.9K
3.11
28.2%
9.0K
3.13
18.1%
5.8K
3.14
5.5%
1.8K
3.10
4.8%
1.5K
Top Countries
1.
US
25.6K
US
2.
IE
1.5K
IE
3.
SG
1.2K
SG
4.
DE
1.1K
DE
5.
CN
978
CN
6.
HK
768
HK
7.
JP
489
JP
8.
NL
343
NL
9.
GB
293
GB
10.
IN
222
IN
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Apache 2.0
First Release
January 4, 2020
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
0.1.9.post1
Total Releases
17
Contributors
11
Open PRs
6
Archived
No
Author
Bartolomeo Stellato, Paul Goulart, Goran Banjac
Wheels
cp310
cp311
cp312
cp313
cp314
cp35
cp36
cp38
cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh