That is correct. Gnome will not ever implement any DPI scaling on X11 again, or proper DPI scaling, they will only do integer scaling, because that allows them

That is correct. Gnome will not ever implement any DPI scaling on X11 again, or proper DPI scaling, they will only do integer scaling, because that allows them to write pixel-perfect layouts. This is the same as macOS and iOS. All other platforms – Windows, Android, Qt, the web – use the opposite model.