Created attachment 146874 [details] left without / right with arrows SUMMARY *** Leap 15.3, MATE Desktop: Runnning Dolphin with environment variable 'QT_QPA_PLATFORMTHEME=qt5ct' no arrows are displayed. Runnning Dolphin with environment variable 'QT_QPA_PLATFORMTHEME=gtk2' the arrows are displayed, but other issues like single click on items are not working. *** STEPS TO REPRODUCE 1. Install qt5ct 2. QT_QPA_PLATFORMTHEME=qt5ct; dolphin 3. QT_QPA_PLATFORMTHEME=gtk2; dolphin OBSERVED RESULT see attachments EXPECTED RESULT SOFTWARE/OS VERSIONS MATE: 1.24.0 Qt Version: ADDITIONAL INFORMATION
Sorry, I figured out the reason: The problem depends on qt5ct-settings. If style templates are set no arrows are displayed.
Yeah in general using qt5ct-settings doesn't have a positive effect on KDE software.