SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** On a laptop connected to a dock with an external mouse, the Invert scroll direction setting isn't honored. The option is checked, but scrolling isn't inverted. To fix it for the session, open mouse settings, un-check Invert scroll direction, click Apply, check Invert scroll direction, click Apply. The setting now works for the remainder of the session. STEPS TO REPRODUCE 1. Login after a fresh boot or resuming from suspend, mouse scrolling is always "normal". OBSERVED RESULT Mouse scrolling is "normal" EXPECTED RESULT Mouse scrolling is inverted. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: KDE neon 5.24.0 (available in About System) KDE Plasma Version: 5.24.0 KDE Frameworks Version: 5.90.0 Qt Version: 5.15.3 ADDITIONAL INFORMATION Worked fine under 5.23.4
I can confirm this bug with the described behavior.
*** This bug has been marked as a duplicate of bug 435113 ***