-Added "Only allow map files" to the possible selections in the download filter option for clients
-Network interpolation and update convars can no longer be changed when playing. To configure these convars, players must not be connected to a server or must join the spectators.
-Fixed a client crash related to the material system
-Fixed a client crash when downloading custom maps for the Mac version
-Fixed browser cookies not persisting across game restarts
-Fixed the in-game UI not using the Language setting from the game's Properties dialog in the Steam UI
-Fixed the game failing to launch on Mac OS X 10.5
-Fixed mat_viewportupscale using an error material for clients using DirectX8
-Removed range restrictions from viewmodel_fov_demo

- Updated the Linux version
-Fixed triggers never registering as "released" on certain game controllers
-Fixed clipboard issues on some window managers, most notably KDE
-Fixed a bug where the map list would be reversed
-Made loading custom fonts for third party HUDs work on certain fonts
-Improved performance and stability