User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-24.247.164.147-20130305103607/@comment-77.251.125.88-20130305155302

Well, since you get to pick a perk when you level up, and this "effectively removes the level cap" I'd say yes, this does increase the number of perks available