Changed

• Project default branch renamed to dev from master
• Base Docker image upgraded to nvcr.io/nvidia/pytorch:21.02-py3 from nvcr.io/nvidia/pytorch:21.04-py3
• Enhanced type checks for the iteration_metric handler
• Enhanced PersistentDataset to use tempfile during caching computation
• Enhanced various info/error messages
• Enhanced performance of RandAffine
• Enhanced performance of SmartCacheDataset
• Optionally requires cucim when the platform is Linux
• Default device of TestTimeAugmentation changed to cpu

Fixed

• Download utilities now provide better default parameters
• Duplicated key_transforms in the patch-based transforms
• A multi-GPU issue in ClassificationSaver
• A default meta_data issue in SpacingD
• Dataset caching issue with the persistent data loader workers
• A memory issue in permutohedral_cuda
• Dictionary key issue in CopyItemsd
• box_start and box_end parameters for deepgrow SpatialCropForegroundd
• Tissue mask array transpose issue in MaskedInferenceWSIDataset
• Various type hint errors
• Various docstring typos

Added

• Support of to_tensor and device arguments for TransformInverter
• Slicing options with SpatialCrop
• Class name alias for the networks for backward compatibility
• k_divisible option for CropForeground
• map_items option for Compose
• Warnings of inf and nan for surface distance computation
• A print_log flag to the image savers
• Basic testing pipelines for Python 3.9