Steam will update TF2 with the following fixes:
* Fixed problems with 3d sound in surround mode for some Audigy X-Fi users
* Medigun no longer continues to heal enemy Spies who have lost their disguise
* Fixed a weapon switching exploit that allowed Snipers to fire slightly faster than intended
* Tweaked shadow filtering to make shadows look more smooth
* Fixed Server Plugin "StartQueryCVarValue" falsely returning CvarNotFound for cvars that did exist
* Fixed crash in HTML control in IE7 on page load, most often seen in the server Message of the Day
* Fixed small memory leak in HTML controller
* Made HTML output more compatible with new XHTML document styles
* Fixed physics crash involving bad ragdoll friction values
* Fixed detail sprite fading
* Added anti-bunny hopping code
*Fixed crash when viewing some HTML MOTDs
