I haven't seen an announcement discussing the specific design changes or their rationale.
I'm in the "don't make me think, don't make me go looking for the link" design camp. When there's a redesign that forces me to visually hunt for the links I'm most likely/often to use it leads me to believe the redesign isn't for my benefit.
In this case, the new links/navigation that was "visually centered" in the GUI were added IMHO for the "benefit" of increased sales, not for the benefit of the UX.
The "My Account" link is "visually buried" all the way to the top right.
About 3/4 of my "Dashboard" is built around BIG bold links to 3 services (escrow, appraisal, payment) I rarely/never use.
When I click on the "My Domains" link, to view and manage my domains, I don't even see the first domain without scrolling down because even on that page the entire screen is taken up with links to "that which I do not need at the moment . . if ever". They could pull down the 25% of the vertical space that is occupied by not much more than:
~<p>My account #
~<p>My security setting
Do I really need to have this same stuff "on screen" at every step of the way as I manage my domains/account? No.
Notice, however, how all this needless redundancy is swept away when I click on a link to a new product or service that is being sold via links inside my GUI. No sense in having this needless distraction when there's important business to do.