The puzzle containing new content has been completed! The puzzle revealed the new world Avalon! There are six (6) zones along with fifteen (15) new areas! The level capacity is being raised to level 80, there are going to be four (4) new spells for each school, along with new gardening spells and equipment!
Avalon is currently in the test realm, but expected to be going live next week.
I have a link to a site that talks about the world and also has some pictures: