Stable Baselines3 Contrib

library 2.8.0 ·python

✓ verified Jun 28, 2026

sb3-contrib is the experimental contribution package for Stable Baselines3, providing additional reinforcement learning algorithms and features not yet integrated into the main SB3 library. It is currently at version 2.8.0 and typically releases new versions in sync with Stable Baselines3's major and minor updates, often introducing breaking changes related to Python or SB3 dependency versions.

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Resources

docssb3-contrib.readthedocs.io/ ↗

githubgithub.com/Stable-Baselines-Team/stable-baselines3-contrib ↗

changelogstable-baselines3.readthedocs.io/en/master/misc/changelog.html ↗

packagepypi.org/project/sb3-contrib/ ↗

API endpoints

full doc /v1/registry/sb3-contrib

install /v1/registry/sb3-contrib/install

compatibility /v1/registry/sb3-contrib/compatibility