Stunner - bendpoints location is out of the canvas if no nodes placed below it

Model Start->Task->End process Extend the canvas size from the bottom by moving all nodes lower than canvas size Create bendpoints on the sequence flows Select all nodes by Shift+Lift Click Move all nodes to the top Actual Result: Canvas will be cut above the bendpoints and it won't be possible to move it. You should to move nodes back to the bendpoints to be able to move it. Expected Result: Canvas will be cut till bendpoints, so it will be possible to move/delete it without any addition manipulation with other nodes.