I haven an iPad 2 and it seems to make less problems. Anyway Meridian has to act and should bring an update.

Here is an workarround for the grey album art:

1. Delete Album art in ControlPC/MAC software
2. Save
3. Add correct cover again
4. Save
5. Reload the album art on iPad (Restart etc.)

BvH

Control 10, MS600, Twinstore, Odeon 26S, Audiomat Recital