But the option to flip the plane is there already. So I'm flipping it from what to what?
I can also wiggle the Z value up and down a bit. So somehow the direction already exist.
For example if during the plane creation freecad automatically shows me a small green plane at z+1mm and a small red plane at z-1mm I'd know at all times what my yellow plane's orientation will be.
Although I'm dead certain there's a better way to show it
Datum planes are so important to truly make proper master based parametric design that i think this discussion ought to be had.
The center of the plane seems to be of importance too to center the sketch. But freecad does not like attaching a plane normal to an edge and attached to the same edge's vertex, so i always use excentered vertices and edges which moves my sketch origin off center, which means when i try flipping the sketch when i realise the plane was in the wrong orientation things break.