So, today, along with the new expansion (Mithril Horde II), there was an update to The Quest (main game: non-Gold or Lite) to fix a few noted bugs and enable Mithril Horde II.
I have The Quest Gold. Do you know when/if this update (14.5 to 15.0) is coming for The Quest Gold? I tried enabling Mithril Horde II, and it seemed to work OK . . .