• ⚠️ Without Stable Baselines3: Requires careful handling of object shapes as broadcast errors may fail silently.
• ⚠️ Without Stable Baselines3: Tuple observation spaces are not supported; only Dict spaces are supported for complex observations.
• ⚠️ Without Stable Baselines3: Migration to Gymnasium backend in version 2.0+ may require updating existing Gym-based code.