User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-7383798-20130406061137

Bethesda confirmed the planned release date of the 1.9 patch as April 8th, or Monday for both Xbox 360 & PS3. Expect to see the patch out early next week.

https://twitter.com/ElderScrolls/status/320266116402409474