They are off the show actually.
As was said in the "Where are the older humans?" thread, Bob's original announcement was that ALL of the cast members were gone save for Alan, Chris, and Suki. SW stated this was a misunderstanding and that they were negotiating with the cast to see how they could still be involved. In an interview, Bob McGrath stated that they had the meeting with the Sesame Workshop CEO as was originally announced, and said they would no longer appear on the show, however, they would still be involved in certain promotional things and the planning of the show's 50th anniversary.