Touchpad KCM is redesigned by using Kirigami. Functionality is same. Tested in Wayland+Libinput and Xorg+Libinput. Works fine. Recommendations are welcome.
New design V0.4:
{F5889940}
New design V0.3:
{F5889673}
New design V0.2:
{F5874174}
New design V0.1:
{F5870803}
Old design:
{F5870802}