A required update for Killing Floor has been released for both Windows and Linux dedicated servers. All dedicated servers must be updated to be compatible with the client version now on Steam (and to show in the server browser). This update includes the following fixes and
improvements:

- Added surround sound support for Vista
- Added Universal Plug and Play(UPnP) support for hosting Listen Servers
- Improved Map White Listing system to get maps onto the list faster
- Fixed exploits on each official map