User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-62.20.183.222-20130304210524/@comment-3186821-20130304211714

As far as i understand from the reactions of Bethesda on the bethblog, no. It will just be a reset of the set skill, not adding anything new.