Pues parece que esta nueva actualizacion sa a centrado sobre todo en la srcTV , venia siendo hora que se metiesen con ella y la mejorasen un poquito , aqui os dejo los datos:
Graphics
* Fixed occasional graphics artifact tearing run running on Nvidia 6800 hardware
* Fixed mismatch of bumpmapped/non-bumpmapped surfaces in HDR
* Fixed bug where mat_colorcorrection wasn't getting set properly on when running for the first time
* Updated default configuration settings for some newer video cards
* Fixed full-screen flicker bug when Alt-Tabbing out of fullscreen (particularly at high resolutions)
User Interface
* Added progress bar state to print a description when the server changes levels
* Show disconnect dialog when client connection times out
* Fixed anti-aliasing on fonts
* Fixed a memory leak in vgui
* Fix for startup video not showing correctly if running fullscreen with desktop resolution less than or equal to 1024x768
* Fixed bug where game would crash when taking a bug screenshot if the screen/window resolution was wider that 2048 pixels
Sound
* Fixed sound initializing twice at startup in some cases
* Optimized sound engine performance
* Fixed a bug where machines without proper sound hardware and/or drivers would crash
SourceTV
* Added SourceTV port and delay time to status output if SourceTV is active
* Added new command net_status that shows more detailed information about total and average packet loss, latency, packets/sec and bandwidth
* Added convar tv_autoretry 1 so relay proxies try to reconnect after connection crashed/timed out
* Added convar tv_timeout to specify connection timeout limit in seconds
* Improved spectator client dispatching, should be faster and balance better
* Fixed SourceTV relays being unable to connect to sv_lan 1 servers
* Fixed SourceTV servers reporting password restrictions
* Fixed SourceTV bots joining game even if disabled
* Fixed disappearing weapons in SourceTV
* Fixed spectator chat not displaying on relay proxies
* Fixed SourceTV crash during changelevel
* Fixed command tv_record crashing relay proxies
* Reduced SourceTV CPU requirements
*Datos sacados de: http://www.steampowered.com/?area=news