As promised,
Valve has released an update for
Team Fortress 2 which includes global optimizations for networking, graphics, and player statistics, plus improvements to Source TV for tournament viewing. In addition, three of the currently available maps (Dustbowl, Granary, CTF_Well) have been iterated for enhanced performance and gameplay. The update also includes "Badlands", a new map that pushes control-point gameplay onto vertical landscapes. Click
here for details.