No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
uncertainties has 2.9M monthly downloads and 671 GitHub stars. Version 3.2.4 supports Python 3.8+, first published in 2010.
It is actively maintained under a permissive license, last released in Jan 2026.
It is used by 191 tracked packages, including lmfit, pymatgen-core and qiskit-experiments.
GitHub topics include uncertainties, error-propagation and differentiation.
Package Insights
Package Risks
- No releases in 172 days despite active commits
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
58
Adoption
60
Community
60
Provenance
100
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
2,876,384
•
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
2,876,384
Stars
671
Stars per 1k downloads
0.23
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
75,183
Month daily avg
95,879
Momentum
-21.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.8
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
Revised BSD License
•
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
178 days ago
Total releases
81
Releases/year
5.0
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
27
Monthly downloads
2,876,384
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
72
Issue Burden
114.8
per 1k stars
Discussions
35.8
per 1k stars
Fork Ratio
31.4%
contrib / forks
Stale Release
172d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
29.4K
macOS
1.6K
Windows
1.1K
Python Versions
3.12
52.2%
15.9K
3.11
23.6%
7.2K
3.10
9.5%
2.9K
3.13
8.5%
2.6K
3.14
6.3%
1.9K
Top Countries
1.
US
25.7K
US
2.
SG
1.8K
SG
3.
CN
737
CN
4.
DE
557
DE
5.
IE
491
IE
6.
GB
485
GB
7.
HK
480
HK
8.
NL
237
NL
9.
BE
232
BE
10.
IN
219
IN
Dependencies
0
9 optional dependencies
- numpy[arrays]
- pytest[test]
- pytest-codspeed[test]
- pytest-cov[test]
- python-docs-theme[doc]
- scipy[test]
- sphinx[doc]
- sphinx-copybutton[doc]
- uncertainties[all]
Used By
191
- lmfit
- pymatgen-core
- qiskit-experiments
- qcodes
- lightkurve
- bumps
- kinisi
- iqm-benchmarks
- endf
- quantify-core
- quantify
- xraylarch
- pytransit
- peakpo
- laboneq-applications
- easydiffraction
- ampel-hu-astro
- nef-pipelines
- encomp
- pint-pulsar
- easyscience
- threeml
- omas
- component-contribution
- yadg
- bindtools
- aptapy
- smpl
- rsadpy
- becquerel
- h5analysis
- octp-pp
- exoiris
- quantables
- rm-lite
- tadamz
- f9columnar
- pxl
- scispectrum
- py-materials
- acspype
- mapp-tricks
- ploonetide
- sheap
- aurorafusion
- edge-pydb
- hepi
- clophfit
- planet-tools
- hdxms-datasets
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
Revised BSD License
First Release
June 8, 2010
Last Release
5 months ago
Last Commit
5 days ago
Latest Version
3.2.4
Total Releases
81
Contributors
27
Open PRs
14
Archived
No
Python Versions
3
3.8
3.9
3.10
3.11
3.12
3.13
3.14
Wheels
py2
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh