This is basically the same thing that's bugging me - and I see that this thread doesn't really solve the problem. It makes the background fill transparent, but it's still a selectable fill.
With the introduction of graphic overrides in AC20-21 as far as i can see there's no way of getting the "NO FILL" option for the zones? Sure you can graphically override in all sorts of ways, except to make all zones have no fills at all.
Does anyone know of a way to do it like it was in AC19?
Most of the time I find it much better that the zones are almost impossible to select - especially when the plans get cluttered with all sorts of dimensions, descriptions etc. The zones still show (name, flooring, area...) but unless you click the exact hotspot you never select it by mistake.
Archicad 21/22/23, Windows 10 64bit,
Asus GL703VM, Intel i7 7700HQ, GTX 1060, 16GB