Linux Desktop Environment Innovation Nonexistent

As a current GNOME user and former KDE user, I'd like to know when we can expect some new innovations from either of these desktop environments? I know KDE came out with KDE 4.x just over two years ago but it seems that its popularity has fallen away in favor of GNOME. GNOME only releases new version twice a year and so far they've all generated more yawns than a Ben Affleck movie for me. I like GNOME and have used it exclusively on every Linux distribution that I work with for a few years. The fact that it's installed by default on Debian and Ubuntu have nothing to do with it. I just like it better. Still, I wonder when I'll see something really cool out of it or KDE.

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