Comment # 6 on bug 1123871 from Jack Patry

With the kernel 5.0.rc6-1.1.geb4b248-86_64 the touchpad operates same as with
the kernel 4.20.8-2.gcc8092a-default.
I realized the difference between the "Edge Scrolling" and "Two-Finger
Scrolling" settings. These functions work, for example, in Firefox, but when
scrolling with two fingers on an empty area of ������the desktop, the active window
jumps several times, disappearing at the top of the screen and reappearing in
the same place. 
Thus, with both the kernels you specify, the touchpad works in the same way.
I continue to use the kernel 5.0.rc6-1.1.geb4b248-86_64 and test the touchpad.