I downloaded an origin update, pretty sure it was a smallish file though as it didnt take long. It seemed to be more of an origin update than a bf3 update though.
Yea, it was for Origin:
Added the ability to upload custom avatars.
Added captcha verification for increased security.
Improved relevancy of friend search results.
Progress bar now displays when installing games.
Streamlined Origin installation and update processes.
Game Add-Ons (DLC) can now be purchased and installed directly through Origin.
Updated the look and feel of the Origin client.
Users can now invite multiple friends to play at once.
Users can now hide games in their Game Library.