old_contents: # depth thresholds (in mm)
  max_depth = 2000
  min_depth = 300
  # minimum area for holes/outlines (in pixels)
  outer_contour_min_area = 6000
  hole_contour_min_area = 1200
  external_contour_min_area = 100
  # closing filter size
  closing_size = 8
  
  # gesture switching time, in seconds
  gesture_switch_time = 56
  
  
  # time before forced gesture switch, in pilot
  pilot_max_time = 6.0
  
  # number of gestures in pilot
  pilot_gestures = 80
new_contents: # depth thresholds (in mm)
  max_depth = 2000
  min_depth = 300
  # minimum area for holes/outlines (in pixels)
  outer_contour_min_area = 6000
  hole_contour_min_area = 1200
  external_contour_min_area = 100
  # closing filter size
  closing_size = 8
  # draw bubbles around contours
  draw_bubbles=False
  
subject: remove unused settings, added draw_bubbles setting