No matter the configuration, it has no effect, from 0.1 to 9... Reproducible: Always Steps to Reproduce: 1. Open System Settings. 2. Go to Input Devices. 3. Go to Mouse, Advanced tab. 4. Try to change the "pointer speed". Actual Results: Nothing happens. Expected Results: Should do the job given, change the mouse/pointer speed according to the options, 0,1 to 9... and save it. ASUS B85-M/BR i5 4460 3.2GHz 8GB RAM GTX 970 Manjaro 16.06.1 KDE. (Unstable repositóries enabled (just for install the KDE Plasma 5.7)).
Already reported as bug 365488.