One of the new features introduced in Android 12 was the ability — if you had a Pixel phone — to automatically match your phone’s color palette to that of your wallpaper, including what Google calls Themed icons — icons that, instead of using their own colors, take on the color palette you’ve chosen as a theme.
Back then, you could only theme icons that were offered by Google apps. So, for example, when I tried it out on a Pixel 3 using Android 12 beta, it changed some, but not…