Created attachment 178728 [details] The output of strace konsole -e true 2>&1 | tee ~/Desktop/konsole.log SUMMARY I have to remove /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/breeze.so in order to be able to use oxygen. STEPS TO REPRODUCE 1. Run kwriteconfig5 --file kdeglobals --group KDE widgetStyle Oxygen 2. Run dbus-send --session --type=signal /KGlobalSettings org.kde.KGlobalSettings.notifyChange int32:2 int32:0 3. Run dbus-send --session --type=signal /OxygenStyle org.kde.Oxygen.Style.reparseConfiguration 4. Run strace konsole -e true 2>&1 | tee ~/Desktop/konsole.log 5. Check whether Konsole reads the oxygen file OBSERVED RESULT Konsole reads the Breeze theme rather than the Oxygen one. EXPECTED RESULT Konsole reads the Oxygen theme rather than the Breeze one. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubuntu 24.04.2 KDE Plasma Version: 5.27.12 KDE Frameworks Version: 5.115.0 Qt Version: 5.15.13