A patch for the PC version of Battlefield 4 was released today. The patch includes, among other items, fixes for the SUAV providing quick roadkills, fixes for mutual kills, and fixes for the sound loop crash.

Changelog for Battlefield 4 PC for December 16, 2013

The R16 server update was also rolled out earlier today. Those changes are noted below.

Changelog for Battlefield 4 PC R16 Server update for December 16, 2013

-Fix for some of the more common server crashes
-Overall performance enhancements
-UCAV ammo replenish time was set from 20 to 90 seconds
-Round time limit intervals were added for the different server types