Pgx

What's Changed
* [Docs] Add API reference by sotetsuk in https://github.com/sotetsuk/pgx/pull/770
* [CI] Add Python 3.9, 3.10 support to `setup.py` and run CIs by sotetsuk in https://github.com/sotetsuk/pgx/pull/785
* Revert "[Experimental] add `state._info` to `State`" by sotetsuk in https://github.com/sotetsuk/pgx/pull/788
* [TicTacToe] Change observation dims by sotetsuk in https://github.com/sotetsuk/pgx/pull/789
* [API] Use chex's dataclass instead of flax's dataclass by sotetsuk in https://github.com/sotetsuk/pgx/pull/787


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.3.2...v0.4.0

What's Changed
* [Docs] Init readthedocs by sotetsuk in https://github.com/sotetsuk/pgx/pull/760
* [Docs] Fix readthedocs compile by sotetsuk in https://github.com/sotetsuk/pgx/pull/761
* [Docs] Enhance mkdocs by sotetsuk in https://github.com/sotetsuk/pgx/pull/762
* [Docs] Use mkdocs by sotetsuk in https://github.com/sotetsuk/pgx/pull/764
* [Docs] Add CI for gh pages by sotetsuk in https://github.com/sotetsuk/pgx/pull/766
* [Docs] Fix CI by sotetsuk in https://github.com/sotetsuk/pgx/pull/767
* [Docs] Fix README by sotetsuk in https://github.com/sotetsuk/pgx/pull/768
* [Docs] Unuse reathedocs by sotetsuk in https://github.com/sotetsuk/pgx/pull/769
* [BridgeBidding] Test and implement the duplicate bridge API by harukaki in https://github.com/sotetsuk/pgx/pull/756
* [BridgeBidding] Change the executing order of `vmap` and `duplicate` by harukaki in https://github.com/sotetsuk/pgx/pull/771
* [Internal] Trace flax upgrades by sotetsuk in https://github.com/sotetsuk/pgx/pull/775
* [BridgeBidding] Add functions for duplicate by harukaki in https://github.com/sotetsuk/pgx/pull/774
* [Internal] Support old jax version in dataclass by sotetsuk in https://github.com/sotetsuk/pgx/pull/780
* [Experimental] add `state._info` to `State` by sotetsuk in https://github.com/sotetsuk/pgx/pull/781


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.3.1...v0.3.2

What's Changed
* [Tidy] Minimize development dependencies by sotetsuk in https://github.com/sotetsuk/pgx/pull/745
* [Docs] Add `CONTRIBUTING`.md by sotetsuk in https://github.com/sotetsuk/pgx/pull/744
* [Docs] Citation by sotetsuk in https://github.com/sotetsuk/pgx/pull/746
* [Visualizer] SVG animation by rhaps0dy in https://github.com/sotetsuk/pgx/pull/747
* [Tidy] Fix format CI by sotetsuk in https://github.com/sotetsuk/pgx/pull/748
* [CI] Fix test CI by sotetsuk in https://github.com/sotetsuk/pgx/pull/751
* [CI] Make CI work on forked repos by sotetsuk in https://github.com/sotetsuk/pgx/pull/750
* [Mahjong] Extract `Hand` class by OkanoShinri in https://github.com/sotetsuk/pgx/pull/709
* [BridgeBidding] Fix shuffled_players by harukaki in https://github.com/sotetsuk/pgx/pull/753
* [BridgeBidding] Add illegal action penalty by harukaki in https://github.com/sotetsuk/pgx/pull/754
* [API] Add `State.env_id` by sotetsuk in https://github.com/sotetsuk/pgx/pull/757
* [Visualizer] FIx slow loading by sotetsuk in https://github.com/sotetsuk/pgx/pull/758

New Contributors
* rhaps0dy made their first contribution in https://github.com/sotetsuk/pgx/pull/747

**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.3.0...v0.3.1

Chess environment is added!

What's Changed
* [Docs] Add colab example by sotetsuk in https://github.com/sotetsuk/pgx/pull/695
* [Docs] Use png instead of svg by sotetsuk in https://github.com/sotetsuk/pgx/pull/696
* [Docs] Update on jumanji by clement-bonnet in https://github.com/sotetsuk/pgx/pull/698
* [CI] Run all tests at every commit by sotetsuk in https://github.com/sotetsuk/pgx/pull/700
* [Docs] Enhance other project descriptions by sotetsuk in https://github.com/sotetsuk/pgx/pull/702
* [AnimalShogi] Reimplement from scratch by sotetsuk in https://github.com/sotetsuk/pgx/pull/703
* [Docs] Minor updates on related repositories by sotetsuk in https://github.com/sotetsuk/pgx/pull/706
* [Visualizer] Enhance Visualizer by OkanoShinri in https://github.com/sotetsuk/pgx/pull/697
* [BridgeBidding] Add observe by harukaki in https://github.com/sotetsuk/pgx/pull/707
* [BridgeBidding] Add BridgeBidding Env by harukaki in https://github.com/sotetsuk/pgx/pull/713
* [Chess] Reimplement from scratch by sotetsuk in https://github.com/sotetsuk/pgx/pull/704
* [BridgeBidding] Remove underscore from filename by sotetsuk in https://github.com/sotetsuk/pgx/pull/715
* [BridgeBidding] Fix version by sotetsuk in https://github.com/sotetsuk/pgx/pull/716
* [BridgeBidding] Fix test_api warning by harukaki in https://github.com/sotetsuk/pgx/pull/718
* [Chess] Speed up `_legal_action_mask` by sotetsuk in https://github.com/sotetsuk/pgx/pull/717
* [Chess] Add en passant to legal actions by sotetsuk in https://github.com/sotetsuk/pgx/pull/719
* [Chess] Add castling to legal actions by sotetsuk in https://github.com/sotetsuk/pgx/pull/720
* [Chess] Enhance Tests by youyou-ku in https://github.com/sotetsuk/pgx/pull/722
* [Chess] Refactor en passant state representation by sotetsuk in https://github.com/sotetsuk/pgx/pull/724
* [Chess] Speed up `_legal_action_mask` by caching piece positions by sotetsuk in https://github.com/sotetsuk/pgx/pull/725
* [BridgeBidding] Fix `_make_bridge_dwg` in visualizer by harukaki in https://github.com/sotetsuk/pgx/pull/727
* [BridgeBidding] Fix part of state passed in `pgx._make_bridge_dwg` is not updated by harukaki in https://github.com/sotetsuk/pgx/pull/729
* [Chess] Implement termination conditions by sotetsuk in https://github.com/sotetsuk/pgx/pull/726
* [Chess] Fix bugs by sotetsuk in https://github.com/sotetsuk/pgx/pull/731
* [Chess] Fix wrong en passant bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/733
* [Chess] Add terminal test cases by youyou-ku in https://github.com/sotetsuk/pgx/pull/732
* [Chess] Implement `observe` by sotetsuk in https://github.com/sotetsuk/pgx/pull/736
* [Chess] Implement Zobrist hash by sotetsuk in https://github.com/sotetsuk/pgx/pull/737
* [Chess] Release chess env by sotetsuk in https://github.com/sotetsuk/pgx/pull/738

New Contributors
* clement-bonnet made their first contribution in https://github.com/sotetsuk/pgx/pull/698

**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.2.1...v0.3.0

What's Changed
* [Benchmark] Tidy speed benchmark script by sotetsuk in https://github.com/sotetsuk/pgx/pull/686
* [Docs] Update README by sotetsuk in https://github.com/sotetsuk/pgx/pull/687
* [Shogi] Fix pawn mate bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/689
* [Shogi] Add buggy test cases by youyou-ku in https://github.com/sotetsuk/pgx/pull/685
* [Docs] Update README by sotetsuk in https://github.com/sotetsuk/pgx/pull/691
* [Shogi] Add test assets by sotetsuk in https://github.com/sotetsuk/pgx/pull/693


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.2.0...v0.2.1

What's Changed
* [Shogi] Cache king position by sotetsuk in https://github.com/sotetsuk/pgx/pull/682
* [Shogi] Cache `INIT_LEGAL_ACTION_MASK` by sotetsuk in https://github.com/sotetsuk/pgx/pull/683


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.11...v0.2.0