Releases · martinballa/PyTAG

What's new in v0.2

Java 21 minimum — the new TAG.jar requires Java 21+ (up from Java 11).
Gymnasium 1.0 — updated to the stable Gymnasium API (VectorWrapper, keyword-only reset(seed, options), FrameStackObservation).

Single fat JAR — replaced ModernBoardGame.jar + ~200 dependency JARs with a single TAG.jar. Run python jar_setup.py to download it.
Self-play support — new SelfPlayPyTAG environment, TAGSelfPlayGYm wrapper, RecordSelfPlayEpStats, and ppo-selfplay.py baseline.
PowerGrid added as a supported game (3–6 players). ExplodingKittens removed.
Generalised agent creation via PlayerFactory.createPlayer() — any TAG agent string (e.g. "random", "osla", "mcts") is now supported.
JAVA_HOME-aware JVM detection — JAVA_HOME is respected when starting the JVM, fixing UnsupportedClassVersionError on Colab.
Action masking fix — invalid actions now masked to torch.finfo(dtype).min instead of -1e8.

git clone https://github.com/martinballa/PyTAG
cd PyTAG
pip install -e .
python jar_setup.py   # downloads TAG.jar (~352 MB)