- label.get_mask() to retrieve a binary mask of the label
- geometry.get_mask() to retrieve a binary mask of the geometry
- annotation.get_label_by_id() to get sly.Label by it's ID
- annotation._get_label_tags() to get label's tags in JSON format
- annotation.update_label() to update label on the server from sly.Label
- New ApiFields
- New Event class in subapp.py for representing POST requests to the app
- app.event() decorator to handle POST requests to the app
- is_on() function for Switch widget
- get_obj_class_by_id() for sly.ProjectMeta
- add set_session_id() method to SelectAppSession widget