I have the same problem with a Dell XPS. On 16.04 was ok, and initially on 17.04 after a upgrade also was right (sometimes failed after suspend). But after an update, 3 and 4-finger gestures stopped working definitely.
I have the same problem with a Dell XPS. On 16.04 was ok, and initially on 17.04 after a upgrade also was right (sometimes failed after suspend). But after an update, 3 and 4-finger gestures stopped working definitely.