As expected, it is because I have HW3. The service rep said they updated my autopilot, just the user interface still shows the old version. My AP behavior is still the same as 2019.7, so I don't think they even did that.
I will have to wait
I did get a free car wash though
If it helps, apparently 12.1.1 has rolled out to at least 2 HW3 cars according to TeslaFi. Hopefully you won’t have to wait long for the fixes to come in.
My guess would be that they reloaded 2019.7.105 on your car, just because that has fixed a couple of other bugs floating around.