User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-86.29.125.105-20130304203813/@comment-71.188.236.207-20130305011800

as spiegel said its just a way to raise the level cap/reset the perks for those who do not have the dragonborn DLC/beat miraak.