C13 Pitchbend data being over-reduced after recording

I’m recording MIDI from a Roli Seaboard 49.

During recording everything is fine. If I record inside an editor I can see all my pitchbend recorded perfectly. As soon as I come out of record my pitchbend data is reduced massively, to the point of it being completely unusable. Whole sections of pitchbend information are removed.

Don’t recall having this from earlier versions of Cubase.

A bug? Or have I got something set up incorrectly?