Source Engine Changes (CS:S, DoD:S, TF2, HL2:DM)
- Updated the version check when connecting to a server to indicated whether the server's version of the game is older or newer than the client's version when they're different.

Team Fortress 2
- Made Bill's Hat always tradable.
- Fixed a client crash caused by malformed custom client spray.
- Added a Red team skin to the Fists of Steel.
- Fixed melee attacks not destroying remote detonation pipes.
- Added the Rimmed Raincatcher to the list of Unusual hats.
- Fixed the Stickybomb Launcher viewmodel sleeves using the wrong team colors for team Blue.
- Fixed players getting set bonuses applied on tournament servers when the server is restricting the player's weapons using the item_whitelist.
- Updated CP_Thundermountain
- Updated the final stage to have the train begin receding after 15 seconds.
- Reduced the cart speed on the final two ramps in the final stage to 1/2 normal speed.