Latest beta 2020.09.11.1741 is not showing any activity while a client is watching live tv. It does show activity when watching a recording.
Is the client set to use “tuner sharing?” If not and you are watching a HDHR channel the connection is directly from the client to HDHR, it doesn’t pass through the DVR server.
That solved it. This was a new client I setup yesterday, normally set them to share.