attrs
PyPIactive
attrs last released 26.1.0 on 2026-03-19. Its latest version requires Python >=3.9.
Facts
- Latest release
- 26.1.0, (7 months ago)
- First published
- (11 years ago)
- Releases in the last 12 months
- 2
- Median days between releases
- 46
- Median days between major versions
- 358
- Monthly downloads
- 921,755,628
- License
- MIT
- Repository
- github.com/python-attrs/attrs
- Source
- pypi.org (checked 2026-10-19)
Major versions
12 major versions have been published.
| Major | First version | First released | Latest version | Latest released |
|---|---|---|---|---|
| 26 | 26.1.0 | 2026-03-19 | 26.1.0 | 2026-03-19 |
| 25 | 25.1.0 | 2025-01-25 | 25.4.0 | 2025-10-06 |
| 24 | 24.1.0 | 2024-08-03 | 24.3.0 | 2024-12-16 |
| 23 | 23.1.0 | 2023-04-16 | 23.2.0 | 2023-12-31 |
| 22 | 22.1.0 | 2022-07-28 | 22.2.0 | 2022-12-21 |
| 21 | 21.1.0 | 2021-05-06 | 21.4.0 | 2021-12-29 |
| 20 | 20.1.0 | 2020-08-20 | 20.3.0 | 2020-11-05 |
| 19 | 19.1.0 | 2019-03-03 | 19.3.0 | 2019-10-15 |
| 18 | 18.1.0 | 2018-05-03 | 18.2.0 | 2018-09-01 |
| 17 | 17.1.0 | 2017-05-16 | 17.4.0 | 2017-12-30 |
| 16 | 16.0.0 | 2016-05-23 | 16.3.0 | 2016-11-24 |
| 15 | 15.0.0a1 | 2015-02-21 | 15.2.0 | 2015-12-08 |
Runtime requirements
The latest version of attrs declares these runtime constraints.
| Runtime | Constraint | Minimum version | Since version | Since |
|---|---|---|---|---|
| Python | >=3.9 | 3.9 | 26.1.0 | 2026-03-19 |
Supported runtimes
The latest version of attrs runs on 7 tracked runtime releases.
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