Apple sent developer kits for 9.0 & 9.1, which BeerSmith was ready for. When 9.0.1 came out, it wasn't part of either developer package and undid a lot of the maneuverability and fixes that Brad was ready for.
He's indicated that he's sent fixes to Apple for review, which takes 4 to 8 days, typically. An update should be out within that time frame.