Sometimes when I'm working I the flow goes 'outside' the screen on the right side. This means scrolling of making the right pane smaller. It would be nice if there would be an arrow (like there is on the true change pane) to clap in/out the right pane.
Besides it would be easier to apply, it would also be quicker to click on it beside to select the line for you mouse so you can make it smaller.
A screenshot is attached for a small example (see the red borders :) ).