Martin Steigerwald - 14.07.19, 13:19:
> > And here from askubuntu[3]:
> >
> > Wayland is a lot less complex than X which should make it
> > easier to maintain - although some of this simplicity comes
> > from pushing the complexity (eg: how to actually draw onto
> > that buffer, network transparency) to other layers of the
> > stack. By making clients responsible for all of their
> > rendering the clients can be smarter about things things
> > like double-buffering.
> >
> > Existing xclients will not work, and although those based
> > on GTK+ or Qt *may* be supported in future.
>
> Both GTK and Qt have Wayland support since some time already.

Also there is XWayland for X11 clients that have not yet been ported to
Wayland. That is basically X11 on Wayland. It has the same issues as X11
itself, but it allows to run programs that use X11. I bet it would be
required for quite some time.

--
Martin