I am using iOS 9 beta 4 and watchOS 2 beta 4.
I can\'t seem to get any heart rate data when the watch screen turns black (locks). I will get a call to applicat
applicat
I noticed similar behaviour and found that the first workout session would run as intended, but subsequent ones would only run when the watch face was active. I solved the problem by resetting HKWorkoutSession once the session was completed.