Openshot is designed for the GTK desktop, so it is not surprising it doesn't work very well under KDE. As far as I know, no one on the development team even uses KDE, so unless someone contributes a patch I'm not sure how likely this is to be fixed (or if it's possible to fix it).
Openshot is designed for the GTK desktop, so it is not surprising it doesn't work very well under KDE. As far as I know, no one on the development team even uses KDE, so unless someone contributes a patch I'm not sure how likely this is to be fixed (or if it's possible to fix it).