I've found B&M to be quite stagnant over the past few years. They really haven't done much in a while and the limelight has been going towards manufacturers like RMC. I haven't been keeping up on Asian additions which may be quite prolific at the moment.
B&M have been building a lot in China, but they've had a decent few years in the west as well with Valravn, Mako, Valkyria, Thunderbird, Fenix etc.
I do hope that Alton Towers install another B&M coaster before too long. They're smooth, high capacity and reliable. Fantastic investments