Timeline indicator not progressing when in multicam

Steps to reproduce:
  Set up a multicam and run. Everything works but...
 
Result: ...Timeline indicator doesn't move, while video plays OK and responds to camera choices. Timeline refreshes and shows the correct position on stop.
Expected: ...Timeline indicataor to show where you are.

It is a bug, or a feature???
 
System info
    Application: Premiere Pro (Beta) v25.6.0.78
    OS: Windows v10.0.26100, RAM: 63.79 GB GB, CPUs (logical): 16