Few minor background tweaks, but the major new feature in this upgrade is that you can now get an aggregated rss feed for all of a user's games. e.g.:
/chrss/user/lilspikey/rss
Is the rss feed for all of my games. If you are playing several games (as I have been) this means you only need one feed instead of one for _each_ game.
The only other visible tweak is that the auto-generated keys for games are now shorter and thus (hopefully) easier to mail around.