v0.8.0

What's Changed

• [GardnerChess] Init by @sotetsuk in #866
• [Gardner Chess] FEN conversion by @youyou-ku in #867
• [Mahjong] Faster jit compile time by @OkanoShinri in #855
• [Hex] Add swap feature by @sotetsuk in #869
• [AnimalShogi] Add repetition feature by @sotetsuk in #868
• [GardnerChess] Add visualization by @sotetsuk in #870
• [AnimalShogi] Add past board history to observation by @sotetsuk in #872
• [GardnerChess] Add Action class by @sotetsuk in #871
• [Docs] Update documents by @sotetsuk in #854
• [GardnerChess] Add tests for Action by @youyou-ku in #875
• [GardnerChess] Implement step function by @sotetsuk in #877
• [GardnerChess] Add Zobrist hash by @sotetsuk in #878
• [GardnerChess] Implement observation by @sotetsuk in #879
• [Backgammon] Add the playable dice number to the observation by @nissymori in #881
• [Backgammon] use _rng_key by @nissymori in #884
• [Docs] Fix typo by @sotetsuk in #886
• [Seaquest] Speed up by @sotetsuk in #890
• [Backgammon] Train agent with ppo by @nissymori in #885
• [Seaquest] Speed up by @sotetsuk in #893
• [GardnerChess] Speed up by caching current piece positions by @sotetsuk in #894
• [GardnerChess] Fix past board observation by @sotetsuk in #895
• [Chess,GardnerChess] Fix observation by @sotetsuk in #896
• [BridgeBidding] Refactor action and observation to match openspiel by @harukaki in #889
• [AnimalShogi] Fix max termination steps by @sotetsuk in #899
• [Chess, GardnerChess] Fix Zobrist hash by @sotetsuk in #897
• [Chess] Remove castling/en passant zobrist hash by @sotetsuk in #901
• [Chess] Add Terminal/Observe test by @youyou-ku in #773
• [BridgeBidding] Add test with openspiel by @harukaki in #898
• [GardnerChess] Add step test by @youyou-ku in #882
• [Chess] Fix history length by @sotetsuk in #903
• [Chess, GardnerChess] Fix repetition feature definition by @sotetsuk in #904
• [Shogi] Fix max termination steps by @sotetsuk in #902
• [Chess] Take castling and en passant into account in hash by @sotetsuk in #905
• [Shogi] Make feature channel last by @sotetsuk in #906
• [API] Add pgx.__version__ by @sotetsuk in #907
• Fix color features by @sotetsuk in #908
• Update some environments to v0 by @sotetsuk in #909

Full Changelog: v0.7.4...v0.8.0