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35 lines
1.9 KiB
Markdown
35 lines
1.9 KiB
Markdown
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---
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layout: "contents"
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title: Gym v0.19.0
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---
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# v0.19.0 Release Notes
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Gym 0.19.0 is a large maintenance release, and the first since [@jkterry1](https://github.com/jkterry1) became the maintainer. There should be no breaking changes in this release.
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## New features
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* Added custom datatype argument to multidiscrete space ([@m-orsini](https://github.com/m-orsini))
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* API compliance test added based on SB3 and PettingZoo tests ([@amtamasi](https://github.com/amtamasi))
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* RecordEpisodeStatics works with VectorEnv ([@vwxyzjn](https://github.com/vwxyzjn))
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## Bug fixes
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* Removed unused dependencies, removed unnescesary dependency version requirements that caused installation issues on newer machines, added full requirements.txt and moved general dependencies to extras. Notably, "toy_text" is not a used extra. atari-py is now pegged to a precise working version pending the switch to ale-py ([@jkterry1](https://github.com/jkterry1))
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* Bug fixes to rewards in FrozenLake and FrozenLake8x8; versions bumped to v1 ([@ZhiqingXiao](https://github.com/ZhiqingXiao))
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* Removed remaining numpy depreciation warnings ([@super-pirata](https://github.com/super-pirata))
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* Fixes to video recording ([@mahiuchun](https://github.com/mahiuchun), [@zlig](https://github.com/zlig))
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* EZ pickle argument fixes ([@zzyunzhi](https://github.com/zzyunzhi), [@jamesborg46](https://github.com/jamesborg46))
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* Other very minor (nonbreaking) fixes
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## Other
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* Removed small bits of dead code ([@jkterry1](https://github.com/jkterry1))
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* Numerous typo, CI and documentation fixes (mostly [@cclauss](https://github.com/cclauss))
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* New readme and updated third party env list ([@jkterry1](https://github.com/jkterry1))
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* Code is now all flake8 compliant through black ([@cclauss](https://github.com/cclauss))
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**Full Changelog**: https://github.com/openai/gym/compare/0.18.3...0.19.0
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**Github Release**: https://github.com/openai/gym/releases/tag/0.19.0
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