My understanding is B&M and Universal have a somewhat tense relationship (or have had in the past), with management ignoring B&M's maintenance protocols in favor of their own, which they didn't like. I understand they are very picky about the upkeep of their rides and their nearly flawless record of safety and reliability.
I would guess they have had some sort of new breakthrough in their relationship with the modifications coming to Hulk as well as purchasing a new flyer for USJ.