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I came back out to my car after about 4 hours, hasn't been on WiFi, versions are all still the same and I was prompted on screen asking if I wanted to try FSD beta. Not sure what happened but it's working with no updates.
I'm in the same boat, Beta worked fine yesterday until I disengaged for a roundabout a few miles before reaching my destination. Saw the same message this morning and it was on WiFi all night, and isn't pulling an update.