User blog comment:DaNASCAT/Technical Update: July 9, 2013/@comment-3011910-20130711163512/@comment-5884303-20130711170324

Hm, it does seem to be having a problem now. It will load a bit farther, and open the socket if you prepend " " to the URL (enabling the pre-release preview mode), but it still doesn't seem to be loading the mainRoom.