No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
backports-zoneinfo has 8.5M monthly downloads and 56 GitHub stars. Version 0.2.1 supports Python 3.6+, first published in 2020.
It is showing limited recent maintenance under a permissive license, last released in Jun 2020.
It is built on top of importlib-resources. It is used by 101 tracked packages, including arrow, apscheduler and django-timezone-field.
Package Insights
Package Risks
- Moderate bus factor: only 5 contributor(s) for this download volume
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
20
Popularity
38
Adoption
60
Community
55
Provenance
0
How the maintenance status was determined
Last commit
1214 days ago
Monthly downloads
8,481,347
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
8,481,347
Stars
56
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
213,881
Month daily avg
282,712
Momentum
-24.3%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.6
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
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
2204 days ago
Total releases
5
Releases/year
0.8
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
5
Monthly downloads
8,481,347
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
56
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
21.7%
contrib / forks
Stale Release
990d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
172.2K
Windows
1.3K
macOS
166
Python Versions
3.8
73.1%
125.1K
3.7
23.2%
39.7K
3.6
2.0%
3.5K
3.12
1.1%
1.8K
3.11
0.7%
1.1K
Top Countries
1.
US
134.2K
US
2.
NL
7.4K
NL
3.
SG
7.1K
SG
4.
DE
5.7K
DE
5.
BR
3.4K
BR
6.
IN
2.6K
IN
7.
IE
2.4K
IE
8.
AU
2.4K
AU
9.
FR
1.5K
FR
10.
GB
1.3K
GB
Dependencies
1
1 optional dependencies
- tzdata[tzdata]
Used By
101
- arrow
- apscheduler
- django-timezone-field
- django-celery-beat
- celery-redbeat
- pytz-deprecation-shim
- recurring-ical-events
- django-ses
- astral
- aiozoneinfo
- pyorc
- sqlalchemy-cratedb
- django-redshift-backend
- pyflume
- django-admin-charts
- calendra
- clp-logging
- forestadmin-datasource-toolkit
- forestadmin-agent-toolkit
- back-trader-cpp
- aio-openapi
- forestadmin-datasource-django
- google-fhir-core
- forestadmin-agent-django
- forestadmin-agent-flask
- forestadmin-datasource-sqlalchemy
- galaxy-job-metrics
- clink
- nativelib
- imgstore
- django-forestadmin
- ankigammon
- rhosocial-activerecord
- pygrocy
- flywheel-gear-toolkit
- amor-eos
- glqiwiapi
- vit
- askanna
- lsl
- freshbooks-sdk
- schematicpy
- django-esteid
- countrystatecity-timezones
- shamcash
- netsgiro
- nobinobi-child
- gcp-utils-sds
- wiliot-deployment-tools
- pyepggrab
Package Information
License
Apache-2.0
First Release
May 21, 2020
Last Release
6 years ago
Last Commit
3 years ago
Latest Version
0.2.1
Total Releases
5
Contributors
5
Open PRs
7
Archived
No
Author
Python Software Foundation
Python Versions
3
3.6
3.7
3.8
Wheels
cp36
cp37
cp38
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh