The "Bat" codename became literal. The patch fundamentally altered how sound propagated through walls in the Fireteam mode.
By late 2013, EA had officially pulled the plug on major development for Warfighter . The studio was dismantled, and the franchise was put on ice. However, a skeleton crew remained to push out one final stability patch. That patch was internally tracked as . Medal Of Honor Warfighter Update V322991 Bat
to community-hosted private servers now that official EA servers are offline. The "Bat" codename became literal