2.1.0

New in this release:

• New annotation types:
  • Image.add_marker() - "raindrop" and "circle" types
  • Image.add_line() - draw a line
  • Image.add_mask() - segmentation-style masks (every pixel is a class id)
  • Image.add_mask_metric() - heatmap-style mask (every value is a measurement of a metric, 0 - 1)
• Bounding boxes now have labels showing label name and score
• Annotations now have layers
• DataGrid.add_iou_columns() - adds "Intersection Over Union" visualization and measurement columns
• New JSON Viewer
• Fixed zoom in expanded image viewer
• New flags for server: --backend-port and --backend-proxy
• Many bug fixes