Xbox just announced that the Xbox One update is rolling out now.
You can read up on all of this Xbox One March update details right here.
You can view the official Xbox Support tweet now:
We know you are all excited for the Xbox One update. It's rolling out now. Details on the update process here: http://t.co/3hEuAXcu0E ^AC
— Xbox Support (@XboxSupport) March 6, 2014
Are you ready for Titanfall?
Source: Xbox Support