It uses XWayland under the hood -- it is an implementation of rootful XWayland that is presumably properly integrated, rather than being glued to a window. Mean

It uses XWayland under the hood -- it is an implementation of rootful XWayland that is presumably properly integrated, rather than being glued to a window. Meaning you get the full Xorg desktop, and things like panels will (hopefully) properly snap to the side of the screen instead of displaying as a window.