v2.8.0: Add default hyperparameters for unlisted env and additional QoL improvements

Breaking Changes

• Upgraded to SB3 >= 2.8.0
• Removed support for Python 3.9, please upgrade to Python >= 3.10
• Set strict=True for every call to zip(...)

New Features

• Added official support for Python 3.13
• Allow to specify env_kwargs in the hyperparam config
• Allow to use default hyperparameters for any environment
• Save training command in Weights & Biases (Wandb)
• Save training command and default hyperparameters as study attributes

Documentation

• Switched to Markdown documentation (using MyST parser)

Other

• Fixed unused variables in plot_from_file.py

New Contributors

• @bsagarzazu made their first contribution in #504

Full Changelog: v2.7.0...v2.8.0