Big change. It should make the dependencies a lot lighter in most cases. I've tested it with the mdemos suite, fedmsg, busmon, and the packages app. All four required some small namespace tweaks to get working again.
If you don't want to deal with this, just restrict your moksha version to "moksha <= 0.8.8".
Here's a tour of the new source tree: http://ascii.io/a/1087
-threebean