STEPS TO REPRODUCE 1. Right click on the desktop: "Configure desktop and wallpaper" 2. Go to any tab (eg Wallpaper), choose any option (eg Layout), change the default config to something else and then change it back OBSERVED RESULT The "apply" button becomes active, though nothing has actually changed. SOFTWARE/OS VERSIONS Operating System: KDE neon Testing Edition KDE Plasma Version: 5.23.90 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.3 Kernel Version: 5.13.0-27-generic (64-bit) Graphics Platform: Wayland
Can confirm.
This has since been fixed. IIRC it was around Plasma 6.3 or 6.4.