I am guessing maybe they meant to put it in the database ahead of time, but not implement it... So expect that to change I would guess. Wasn't there something with stats like this where people put them on gear also then when they "fixed it" people lost stats on their gear?
That is not unofficial leak. Read the news article on main site, in particular this line: "New items: prepare yourself for the upcoming level 85 content and improve your equipment with new items you can get from the archaeologists!"
And, Zid, rogues did get a nerf, and scouts a boost. It is not nearly major enough on either to alter the class balance between the two, no. But then it was all a speculation and jump to conclusion that it would be. Speculation that was highly suspect and a lot of wishful thinking anyway, based on the small number of skills being affected, which is what we knew yesterday already.