Please, add in editor the "refresh" button, with the pourpose of istantly reload the last saved version, without open any menu and without searching the plane in a huge list.

This has two use:

1) reload a plane after an error, a mirroring problem, o whatever wrong action
2) Istantly show the modifications did in XML

Perfect placement, lower right, just near the "play" button to bring the plane at choosed location.