Voxel51 and the FiftyOne community have released version 0.19 of their open source machine learning toolset, which includes new features to improve computer vision datasets visualization and boost model performance. The release introduces Spaces, an all-new customizable framework for organizing interactive information panels within the FiftyOne App; in-app embeddings visualization; saved views; on-disk segmentations; and enhanced UI filtering options. Additionally, documentation for FiftyOne Teams is now publicly available.