CB ProfileGallery has not received a CB 2.x upgrade yet. As for other plugins please see our compatibility chart below. While CB ProfileGallery will function on CB 2.x, it has known issues.
www.joomlapolis.com/cb-20-addon-status
Aside from the minor styling issue in CB ProfileGallery I don't see any issues. Our entire profile layout has been improved to use a canvas style layout.
All of this information has been available for months. We've had numerous newsletters, front page articles, and videos showcasing all of this. I'm completely caught off guard how any of this could be a surprise at this point. If you've any suggestions of how we can get this information to you better then please advise as we certainly don't want people missing such vital information.