Yes, it seems rock solid here too.
Actually, cubase now load a lot faster here, close without the “crash” message I always got…, seems more responsive. (The new eucon driver seems more efficient too). And the new features are really great for the workflow (track visibility and track versions)…
and no problem with UAD2 plugs, preferences not lost (I only had to copy the faderport.dll in the component folder of cubase 7.5, but that was it)…
so, for now, all really good ! 
Have a merry Christmas !