Starting at about 2:05 there's a presentation about the Terminal Core Redevelopment project:
• Video Link
The presentation includes some renderings that I haven't seen anywhere else. (I took some screenshots and
posted them to twitter).
One big change: the existing 2,500 sq ft Alaska Lounge will be replaced with a new 9-10,000 sq ft lounge. There's also a new "common use" lounge shown, that looks to be about the same size.