It will be interesting to see how things play out. I don't think Nvidia will cave in and replace the egl streams and at the same time I don't see KDE devs backing down from insisting on GBM driver model. Some features in the works will only work with wayland sessions, meaning nvidia proprietary driver users will be left with X and deprived of some goodies. Meanwhile, gnome adapted and can use egl-streams with nvidia proprietary driver, so you can run gnome on wayland on nvidia. It's performance now is abysmal, but hey, it works, with the promise of future updates. One could argue that gnome did open source community no favor by adapting to nvidia's egl streams designs. Meanwhile, KDE is staying true to the standards. Since nouveau is far from being a good replacement for nvidia drivers, I'm curious to see which way the users swing. Will those that need wayland change their DE to gnome?