SUMMARY Inverted mouse scroll direction settings is not applied to new fresh connected devices, that have not connected ever before STEPS TO REPRODUCE 1. via system settings enable Scrollin: Invert scroll direction 2. use your old mouse, check scroll direction: as configured 2. plugin a new mouse device (via USB in my case) 3. use scroll wheel with new mouse, check scroll direction 4. disable in system settings, apply, enable again, apply 5. use scroll wheel with new mouse, check scroll direction OBSERVED RESULT 1. use scroll wheel with old mouse, check scroll direction: as configured 2. use scroll wheel with new mouse, check scroll direction: NOT as configured 4. disable in system settings, apply, enable again, apply 5. use scroll wheel with new mouse, check scroll direction: as configured EXPECTED RESULT 1. use scroll wheel with old mouse, check scroll direction: as configured 2. use scroll wheel with new mouse, check scroll direction: as configured SOFTWARE/OS VERSIONS Linux/KDE Plasma: neon KDE Plasma Version: 5.27.7 KDE Frameworks Version: 5.108.0 Qt Version: 5.15.10 ADDITIONAL INFORMATION old and new mouse connected wireless via proprietary USB dongles. old: logitech, new: hp