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31 lines
1.6 KiB
Markdown
31 lines
1.6 KiB
Markdown
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---
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layout: "contents"
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title: Gym v0.25.1
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---
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# 0.25.1 Release Notes
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* Added rendering for CliffWalking environment [@younik](https://github.com/younik)
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* ``PixelObservationWrapper`` only supports the new render API due to difficulty in supporting both old and new APIs. A warning is raised if the user is using the old API [@vmoens](https://github.com/vmoens)
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## Bug fix
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* Revert an incorrect edition on wrapper.FrameStack [@ZhiqingXiao](https://github.com/ZhiqingXiao)
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* Fix reset bounds for mountain car [@psc-g](https://github.com/psc-g)
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* Removed skipped tests causing bugs not to be caught [@pseudo-rnd-thoughts](https://github.com/pseudo-rnd-thoughts)
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* Added backward compatibility for environments without metadata [@pseudo-rnd-thoughts](https://github.com/pseudo-rnd-thoughts)
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* Fixed ``BipedalWalker`` rendering for RGB arrays [@1b15](https://github.com/1b15)
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* Fixed bug in ``PixelObservationWrapper`` for using the new rendering [@younik](https://github.com/younik)
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## Typos
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* Rephrase observations' definition in Lunar Lander Environment [@EvanMath](https://github.com/EvanMath)
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* Top-docstring in ``gym/spaces/dict.py`` [@Ice1187](https://github.com/Ice1187)
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* Several typos in ``humanoidstandup_v4.py``, ``mujoco_env.py``, and ``vector_list_info.py`` [@timgates42](https://github.com/timgates42)
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* Typos in passive environment checker [@pseudo-rnd-thoughts](https://github.com/pseudo-rnd-thoughts)
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* Typos in Swimmer rotations [@lin826](https://github.com/lin826)
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**Full Changelog**: https://github.com/openai/gym/compare/0.25.0...0.25.1
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**Github Release**: https://github.com/openai/gym/releases/tag/0.25.1
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