A tempo follower device capable of adjusting the tempo to an incoming audio or midi signal. It main use would be to adjust tempo in real time when performing live with a band. This way the tempo could be adjusted to the rhythm of an incoming instrument like a bass or a kick.
Adjusting the tempo of a project on the fly is not easy, even less during a live performance.
“Bitwig Studio is built for live performance, let your music flow, always on the beat.” This feature would make this statement true when the beat is defined by a human and not by the clock.
Kind of, but it is cumbersome as you need to line up tap tempo, with the Tool, Replacer, and HW Instrument devices to make it work. See Make your Project Follow YOUR Playing with TEMPO FOLLOWER - Tutorial Monday - YouTube.