If you have both horizontal and vertical scrolling, gesture-scrolling systems (like touchscreen and two-finger trackpad) behave weirdly. It either wobbles back-

If you have both horizontal and vertical scrolling, gesture-scrolling systems (like touchscreen and two-finger trackpad) behave weirdly. It either wobbles back-and-forth, or it locks to a particular direction. Also, mice with physical scroll wheels can only scroll in one direction.