Fills
Stack Right click
Queue Middle click
Random Alt+Right-click
Deque Alt+Middle-click
Recursive ⊞Win+Right-click
Instant ⊞Win+Left-click
Left click/drag to draw a  Point/curve.
Speed Control
Shift
(default)
Ctrl+Shift 10×
Ctrl 20×
Neighbor Enumeration Strategies
Cycle with the scroll wheel.
Uniform Shift+scroll to set order
Random per fill (order same within a fill)
Random always (random during traversal)
Random per pixel (randomized on launch)
The mouse pointer must be on the canvas to use the wheel. Running fills are not changed.