What's Changed
* [Mahjong] Add `State` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/887
* [PPO] training with ppo by nissymori in https://github.com/sotetsuk/pgx/pull/900
* [BridgeBidding] Supervised Learning with WBridge5 by harukaki in https://github.com/sotetsuk/pgx/pull/913
* [Chess/Gardner Chess] Repetition observation test by youyou-ku in https://github.com/sotetsuk/pgx/pull/912
* Update speed benchmark script by sotetsuk in https://github.com/sotetsuk/pgx/pull/911
* [PPO] Implement with haiku by nissymori in https://github.com/sotetsuk/pgx/pull/916
* [Backgammon, Visualizer] Add dice to SVG by OkanoShinri in https://github.com/sotetsuk/pgx/pull/917
* [PPO] Experiment in games with single agent by nissymori in https://github.com/sotetsuk/pgx/pull/919
* [Tidy] by nissymori in https://github.com/sotetsuk/pgx/pull/923
* [Leduc Holdem] Fix a bug when folding in the first round by OkanoShinri in https://github.com/sotetsuk/pgx/pull/926
* [Sparrow mahjong] Add baseline by nissymori in https://github.com/sotetsuk/pgx/pull/924
* [BridgeBidding] Speed up by sotetsuk in https://github.com/sotetsuk/pgx/pull/928
* Bump pymdown-extensions from 9.11 to 10.0 in /docs by dependabot in https://github.com/sotetsuk/pgx/pull/931
* [Colab] Add PettingZoo API example by sotetsuk in https://github.com/sotetsuk/pgx/pull/933
* [Baseline] Download baseline models by sotetsuk in https://github.com/sotetsuk/pgx/pull/934
New Contributors
* dependabot made their first contribution in https://github.com/sotetsuk/pgx/pull/931
**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.8.0...v0.8.1