0.25.2
Fix unpickling Box2D and MuJoCo envs (#3025)
Add `Sequence` space, update `flatten` functions (#2968)
Add testing for step api compatibility functions and wrapper (#3028)
Bug fix, add tests for environment checker and passive environment checker wrapper (#2903)
Test refactoring (#2427)
Add a minimal env checker on `gym.make` (#2807)
Remove pytest.importorskip (#2976)