I believe it was released this month. I bought it yesterday and I'm the first among my mates to have it. I got out this morning with it but the surf was way too bad to do any good turn so I'm looking forward to a better day.
Actually, I'm starting to like the UL-5. It's fast and stable on the face and in a barrel( although I'm struggling at doing some power turns). I just miss the feelings I get from performance core fins.
Also, I have always want to try MF-1 but I'm only 70kg so this one came out at the right time.
I'll come back with a review.