3.3.36:
-Fixed disappearing strokes in perspective
-Added tool tips (hover over an icon to display a tool tip)
-Added Properties to selection options to edit Size, Color or Opacity for multiple objects
-New options for Transfer tool in settings gear
-Dot grids
-Snap to Isometric grid
-Chromebook enhancements

3.3.34:
-Added Arc to Shapes

3.3.31:
-Finger modes: Segment (delete segments) and Remove (erase objects)
-Longpress or Double-tap to Edit an object