So i finally found out what the problem was and fixed it... it seems i had given specific size settings to some component via a stylesheet, and some components did not have some/all properties defined in the stylesheet. Providing the correct info via the stylesheet appears to have resolved the situation. Eg. for the radio buttons i now have... QRadioButton::indicator { width: 14px; height: 14px; } in my style sheet, and it seems to properly respect the scaling when i have both types of scaling in use.