PyPI · pypi:pettingzoo

pettingzoo active

Gymnasium for multi-agent reinforcement learning.

The latest stable version of pettingzoo is 1.27.0, published on 2026-08-13. Verified by Vigia on 2026-11-13.

Latest stable version	1.27.0
Published	2026-08-13 18:02:40 UTC
Install	`pip install --upgrade pettingzoo`
Requires	`python <3.15,>=3.10`
License	MIT License
Advisories on latest version	none known
Last verified	2026-11-13 09:48:12 UTC
Sources	pypi.org

Maintenance

Activity	active
Last stable release	2026-08-13 18:02:40 UTC · 91 days ago
Stable releases in the last 12 months	3
Published versions	70

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`1.27.0`	2026-08-13 18:02:40 UTC
`1.26.1`	2026-04-27 00:38:38 UTC
`1.26.0`	2026-04-26 04:28:05 UTC
`1.25.0`	2025-04-22 14:37:36 UTC
`1.24.4`	2025-04-22 14:10:02 UTC
`1.24.3`	2024-01-18 17:38:25 UTC
`1.24.2`	2023-11-16 15:13:57 UTC
`1.24.1`	2023-09-04 05:27:34 UTC
`1.24.0`	2023-08-22 16:18:54 UTC
`1.23.1`	2023-05-24 00:37:36 UTC
`1.23.0`	2023-05-15 19:39:44 UTC
`1.22.4` withdrawn	2023-03-20 14:54:07 UTC
`1.22.3`	2022-12-28 01:08:54 UTC
`1.22.2`	2022-11-11 19:31:10 UTC
`1.22.1`	2022-10-25 15:54:21 UTC
`1.22.0`	2022-10-07 22:08:13 UTC
`1.21.0`	2022-09-24 15:46:14 UTC
`1.20.1`	2022-08-07 20:14:38 UTC
`1.19.0`	2022-06-21 23:39:28 UTC
`1.18.1`	2022-04-29 19:55:02 UTC

Showing the 20 most recent of 70 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`	`1.24.3`
`python 3.9`	`1.26.1`
`python 3.10`	`1.27.0`
`python 3.11`	`1.27.0`
`python 3.12`	`1.27.0`
`python 3.13`	`1.27.0`

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Frequently asked questions

What is the latest version of pettingzoo?

The latest stable version of pettingzoo is 1.27.0, published on 2026-08-13. Verified by Vigia on 2026-11-13.

How do I install the latest version of pettingzoo?

Run pip install --upgrade pettingzoo. The latest stable version is 1.27.0 (verified 2026-11-13).

Is pettingzoo deprecated?

No. pettingzoo is not marked as deprecated in the registry.

Which Python version does pettingzoo require?

pettingzoo 1.27.0 declares this requirement: python <3.15,>=3.10.

Does pettingzoo 1.27.0 have known vulnerabilities?

No known advisories affect pettingzoo 1.27.0 according to the data Vigia checks.

Is pettingzoo still maintained?

pettingzoo published 3 stable releases in the last 12 months; the most recent was 91 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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