Well worth a read. The video swapping between Wayland compositors with a single button like it was nothing is freaking magic.
Plasma 6 and Wayland looks so promising :D
This looks very cool indeed - I can't wait until KDE 6 is released!
Is this wayland only? (sorry for the super dumb question)
As most of the underlying work is in QtWayland, I'd say: yes, it's Wayland only (not being the author nor an expert on display technology, so take my words with some caution). The blog post talks about some stuff that is impossible to do in X11 ("impossible" as in "would require massive changes to X11 itself, which no one wants to do").
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