@jrredho "the transition to KDE Plasma 6 will also include dropping support for the X11 session entirely, leaving only Plasma Wayland as the sole offered desktop mode. "

sources: https://docs.fedoraproject.org/en-US/fedora/latest/release-notes/desktop/ (but it's released, so you can also read many reviews and videos about F40 KDE and test it in a VM).