STEPS TO REPRODUCE 1. open SDDM KCM 2. click on 'Behavior...' button 3. check the option to enabled auto-login 4. apply the change OBSERVED RESULT the change is detected as a non-default setting - the checkbox becomes orange if 'Highlight changed settings' feature is enabled - but the 'Defaults' button remains greyed out EXPECTED RESULT 'Defaults' button becomes active SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
SOFTWARE/OS VERSIONS Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.26.80 KDE Frameworks Version: 5.99.0 Qt Version: 5.15.6 Graphics Platform: Wayland
Currently these are the steps to reproduce on neon unstable: 1. open SDDM KCM 2. click on 'Behavior...' button 3. check the option to enable auto-login 4. apply the change 5. go to another KCM 6. go back to SDDM KCM 7. click on 'Behavior...' button Operating System: KDE neon Unstable Edition KDE Plasma Version: 5.26.80 KDE Frameworks Version: 5.100.0 Qt Version: 5.15.6 Graphics Platform: Wayland
The button is active as expected after the steps from comment 2, but nothing happens after click on it.