Ludwig 0.6 is an open-source machine learning framework that has transitioned its backend from TensorFlow to PyTorch, enhancing its capabilities with new features such as Gradient Boosted Models (GBMs) and Pipelined TorchScript for efficient deployment. This version introduces a formalized configuration schema that ensures error-free setups by validating configurations at initialization, and supports temperature scaling calibration for probabilistic outputs, improving the reliability of predictions. It also incorporates a new defaults section for simplifying configuration processes and supports time-based dataset splitting to enhance model evaluation on temporal data. The update includes a utility for parameter update unit tests to ensure that model parameters are correctly adjusted during training cycles, providing a more robust and user-friendly experience. Overall, Ludwig 0.6 combines powerful machine learning models with MLOps best practices, making it a versatile tool for both research and practical applications.