Wahoo Kickr resistance still not working in 7.0.5 on Windows

I reported this about a month ago, but the resistance is still not working correctly on version 7.0.5 under Windows. I can connect to the Kickr and my Speedplay Power Meter pedals, and the wattage appears to work correctly before starting the ride. However, as soon as I start a ride, I have difficulty getting the wattage above 60 Watts regardless of the gradient I am on. I also have a Rouvy subscription, which I have been forced to use, and all is well over there.