SUMMARY Basically this issue which was marked resolved https://bugs.kde.org/show_bug.cgi?id=477138 where they were building from source. On an arch linux install with the 6.0.1 release I have the issue. STEPS TO REPRODUCE 1. Have arch linux system 2. Install packages: plasma-workspace, plasma-desktop, and individual dependencies of plasma-meta, excluding discover 3. journalctl -f 4. Super + hover mouse over menu items OBSERVED RESULT Tons of lines of plasmashell[3451]: kf.service.services: KApplicationTrader: mimeType "x-scheme-handler/appstream" not found EXPECTED RESULT The Application Launcher should handle not having discover installed gracefully. SOFTWARE/OS VERSIONS Operating System: Arch Linux rolling KDE Plasma Version: 6.0.1 KDE Frameworks Version: 6.0.0 Qt Version: 6.6.2 Kernel Version: 6.7.8-arch1-1 (64-bit) Graphics Platform: Wayland ADDITIONAL INFORMATION No issue with the Application Menu alternative.
*** This bug has been marked as a duplicate of bug 482154 ***