That was quick. UI version 20200116b brought the display back.
Thanks for the quick fix guys.

Yeah, new UI version 20200116 auto installed sometime today on win 10 computer shows no display on all channels. All menus show fine, just no channel display. I don't have "early access" enabled. App version is 20190611. This is using Prime tuner on Comcast cable which was working fine this morning....

Those of you experiencing lag, are you all using the Prime and/or do you have more than 50 or 60 channels? Anyone seeing this lag exclusively with OTA? Yes, using the Prime tuner on comcast cable with hundreds of channels. Not using dvr or OTA. Using 20190802b win10, counting the seconds between bu...