Dell XPS 13 touchpad-small movement causes curser back snapping/jumping

Hello,
my problem seems to be known since a while but I haven´t found a solution yet. Here you can see a nice gif which shows the cursor jumping problem:
http://ift.tt/2rqBKMg
I´m running win 10 on my Dell XPS 13 9350. I substituted the pre-installed touchpad drivers (from 2006!) because there wasn't any possibility to use any gestures at all (2-finger scroll etc.).
I tried every...

Dell XPS 13 touchpad-small movement causes curser back snapping/jumping

Dell XPS 13 touchpad-small movement causes curser back snapping/jumping