I saw a video on YT that had a 2021 that was "Part 2022". It was red, so it was a 2022 build. I don't remember if it was a 500 or 600 or Tour, just Red.
1. There was a different selector for the 2WD-4WD switch, something to keep people from breaking the 2021 lever.
2. There is no horn on 2022 model
I don't remember anything else, nothing major IIRC. Look on YT and maybe you can find the video.
YMMV