Debian 10 with gnome. The problem is present in wayland and Xorg.
env | grep QT
QT_ACCESSIBILITY=1
QT_SCREEN_SCALE_FACTORS=1.2
QT_AUTO_SCREEN_SCALE_FACTOR=0
QT_SCALE_FACTOR=1.2
I tried
export QSG_RENDER_LOOP=basic
export QT_OPENGL=software
/opt/enpass/Enpass
The problem persists.