I guess I've just been accused of being a naysayer.
My only disagreement is with the use of the word official.
Disney Vacation Development (DVD), the timeshare development organization within The Walt Disney Company, still refuses to make it official. They have not issued a press release. They have not disclosed the project in shareholder communications. They have not put up signs. They won't even answer reporter's questions. They have not issued communications to general cast members (although cast members all seem to agree it will be DVC). And DVC guides and DVC kiosk cast members can't talk about it because they haven't been authorized to (and because DVD has tried to keep them in the dark too).
I have been convinced that the new construction at the Contemporary Resort would be a DVC building since before demolition of the old north wing began. There's been evidence ranging from regulatory filings to architect's drawings.
In short, we all know it's coming, but it's still not official.