Hi, i downloaded and flashed your image for use on the new rpi4 8 gig. i receive the following error on boot;
this board requires newer software. get the latest software from https://www.raspberrypi.org/downloads/
thats the second photo.
what i also did was to download raspbian os, then build ardupilot (i am using a rover) and i get the error as shown in the first photo.