I use the xy-plane move icon 99% of the times I use those planes and would really like to see it at all times.
The angle at which the plane is hidden is too shallow, so please consider having them all three on at alltimes, facing the user:
I didn’t know this either, nice tip! @Fred_C
It took me some time to find it since I overlooked the option due to the naming of the submenu title, but here it is in case somebody else is looking for it: