Just had a reply to my email requesting an update.
[deleted]
“We have no hard date for when we will release a final firmware but if you still have issues with Netflix, please post your results within the thread through the link below so that our engineers can review them. Otherwise, I recommend that you return to the earlier factory release firmware.”
the “link below” is the beta forum so doing that …
Switched over to AV and Netflix works so this is definitely an HDMI transfer issue.