PyPI · pypi:attrs
attrs active
Classes Without Boilerplate
The latest stable version of attrs is 26.1.0, published on 2026-03-19. Verified by Vigia on 2026-11-13.
| Latest stable version | 26.1.0 |
|---|---|
| Published | 2026-03-19 14:22:23 UTC |
| Install | pip install --upgrade attrs |
| Requires | python >=3.9 |
| License | MIT |
| Advisories on latest version | none known |
| Last verified | 2026-11-13 11:06:08 UTC |
| Sources | pypi.org |
Is your project affected?
Check my whole requirements.txtGet notified of new versions (Atom)Facts for my AGENTS.md
Free, no signup. Paste your manifest and see what is outdated, deprecated or vulnerable.
Maintenance
| Activity | slowing down |
|---|---|
| Last stable release | 2026-03-19 14:22:23 UTC · 238 days ago |
| Stable releases in the last 12 months | 1 |
| Published versions | 36 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
26.1.0 | 2026-03-19 14:22:23 UTC |
25.4.0 | 2025-10-06 13:54:43 UTC |
25.3.0 | 2025-03-13 11:10:21 UTC |
25.2.0 | 2025-03-12 10:02:22 UTC |
25.1.0 | 2025-01-25 11:30:10 UTC |
24.3.0 | 2024-12-16 06:59:26 UTC |
24.2.0 | 2024-08-06 14:37:36 UTC |
24.1.0 | 2024-08-03 14:30:18 UTC |
23.2.0 | 2023-12-31 06:30:30 UTC |
23.1.0 | 2023-04-16 10:48:16 UTC |
22.2.0 | 2022-12-21 09:48:49 UTC |
22.1.0 | 2022-07-28 13:20:27 UTC |
21.4.0 | 2021-12-29 13:15:06 UTC |
21.3.0 | 2021-12-28 06:07:16 UTC |
21.2.0 | 2021-05-07 09:32:13 UTC |
21.1.0 withdrawn | 2021-05-06 08:26:59 UTC |
20.3.0 | 2020-11-05 10:04:47 UTC |
20.2.0 | 2020-09-05 10:24:44 UTC |
20.1.0 | 2020-08-20 17:23:25 UTC |
19.3.0 | 2019-10-15 05:52:40 UTC |
Showing the 20 most recent of 35 versions. JSON
Version compatibility
Newest stable version that declares support for each runtime version (from the requirements published with each version).
| Runtime | Newest compatible version |
|---|---|
python 3.8 | 25.3.0 |
python 3.9 | 26.1.0 |
python 3.10 | 26.1.0 |
python 3.11 | 26.1.0 |
python 3.12 | 26.1.0 |
python 3.13 | 26.1.0 |
Give your AI agent these facts
Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.
claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp
Add to CursorAdd to VS Code★ Star on GitHub
Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests
Frequently asked questions
What is the latest version of attrs?
The latest stable version of attrs is 26.1.0, published on 2026-03-19. Verified by Vigia on 2026-11-13.
How do I install the latest version of attrs?
Run pip install --upgrade attrs. The latest stable version is 26.1.0 (verified 2026-11-13).
Is attrs deprecated?
No. attrs is not marked as deprecated in the registry.
Which Python version does attrs require?
attrs 26.1.0 declares this requirement: python >=3.9.
Does attrs 26.1.0 have known vulnerabilities?
No known advisories affect attrs 26.1.0 according to the data Vigia checks.
Is attrs still maintained?
attrs published 1 stable releases in the last 12 months; the most recent was 238 days ago. Activity: slowing down.
Observed changes
No changes observed yet since Vigia started tracking this package.
Related packages
- s3transfer
- typing-inspection
- aiobotocore
- h11
- protobuf
- annotated-types
- iniconfig
- httpx
- pytest
- markupsafe
- httpcore
- numpy
Badges for your README
Show the latest version, maintenance status and deprecation status of this package. Copy the Markdown:
[](https://vigia.coredls.cloud/pypi/attrs) [](https://vigia.coredls.cloud/pypi/attrs) [](https://vigia.coredls.cloud/pypi/attrs)
For agents
GET https://vigia.coredls.cloud/v1/packages/pypi/attrs
GET https://vigia.coredls.cloud/v1/packages/pypi/attrs/versions/{version}