I saw a draft by Ali an hour ago about a mysterious update for his Nokia Lumia 900. Mine popped up with a notification for an update too and is currently in the middle of an install.
All it tells me right now is NOKIA update for Windows Phone. Not sure what else is there. Currently, Nokia Lumia 800/710s are getting a more substantial update too. I haven’t fired up my 800 in a while to get that update. I’ll check it later.
Ali also posted this video about 11 hours ago:
Ali explains what comes in the updates (flip to silence)