Thanks! The problem is that you are using the old driver where this bug was never fixed... Please just uninstall that driver:
sudo apt remove xserver-xorg-input-synaptics ** Package changed: libinput (Ubuntu) => xserver-xorg-input-synaptics (Ubuntu) ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: Incomplete => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1886977 Title: Grid-like cursor movement on touchpad To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1886977/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs