Since the skewing handles on the edges are hard to grab if not zoomed in sufficiently close, make the outside handle skew when holding Alt (or whatever else the "center" modifier is bound to.) Holding that modifier when rotating currently has no effect, so we can give it useful meaning like this.
Ideally, this should change the cursor while hovering. That's currently not possible, because the hover tool event doesn't receive the held modifiers, so those would need to be added to it.
Since the skewing handles on the edges are hard to grab if not zoomed in sufficiently close, make the outside handle skew when holding Alt (or whatever else the "center" modifier is bound to.) Holding that modifier when rotating currently has no effect, so we can give it useful meaning like this.
Ideally, this should change the cursor while hovering. That's currently not possible, because the hover tool event doesn't receive the held modifiers, so those would need to be added to it.
Credit SadColor for suggesting.