"I thought the Groban/Menzel/Pascal version was Rice's final swipe at trying to fix it and that would be the standard version going forward, although I'm sure there's some licensing rights issues as it relates to Nelson. "
I had the same thought, but I seem to remember that Rice introduced that concert with a comment along the lines of, "We have been rewriting this show for ____ years and I think maybe we're finally starting to get it right!" I got the impression he was half joking.