Valve have fiddled with the back end, upgrading and updating TF2 to the very latest SDK; 2013. This may seem like nothing to the layman but it means a great deal. For one thing, it broke Source Mod and for another it broke Macs. So there’s that going for it. Altogether it’s a very important step in the development of TF2, to bring it up to date smartly and allow […]