SUMMARY KDE Neon does not install sddm-greeter when installing sddm. this leads the themes which uses sddm-greeter to crash and unable to be applied. sddm will default back to debian theme STEPS TO REPRODUCE 1. Install KDE Neon 2. apply theme that requite qt 5 such as this one https://store.kde.org/p/2056786 3. log out and back in, the sddm theme is now debian 4. journalctl -u sddm.service will show the error '[THEME NAME] requires missing "/usr/bin/sddm-greeter" . Using fallback theme.' OBSERVED RESULT Theme will default back to debian errror will say '[THEME NAME] requires missing "/usr/bin/sddm-greeter" . Using fallback theme.' EXPECTED RESULT sddm-greeter installed with sddm theme that require qt5 be applied normally SOFTWARE/OS VERSIONS Linux: 6.2 KDE Plasma Version: 6.2 KDE Frameworks Version: 6.7.0 Qt Version: 6.8.0-47-generic (64-bit) ADDITIONAL INFORMATION