> Which settings don't they follow? Apart from theme (as there is no gtk3 > engine written in Qt yet)
Why do theme engines have to be written for Qt in order to let GTK apps at least integrate visually into a Qt environment. There should be a Qt theme loader in GTK just as there is a GTK theme loader in Qt. Well, other than that: GNOME/GTK apps don't integrate with the Notifications panel, File Type Associations, Icon theme, CDDB config (for media players or CD rippers), ...
