The Xbox One update is undergoing finalization right now and receiving its final tweaks before it is pushed out to the Xbox One players. Once it is released, DICE expects to me the patch notes available to those interested in seeing what has been fixed and addresses in this patch. The focus on this patch is stability and performance, so look for the next patch to include some enhancements.
The Xbox One version of Battlefield 4 has suffered a number of problems at release. The biggest of which was the game simply crashing at the home screen. An update to the Battlelog solved some issues with the Premium members and access to Premium features that they are entitled to in the game.