Pixel phones have loads of features, some more interesting than others. When I set up my Pixel, these are the five I enabled right away.

However, One UI 7 includes more lock screen widgets, bigger app folders, and a highly customizable quick settings panel.

Reapplying the icons by long-pressing an empty space on the home screen and visiting the Wallpaper ... patches — both the Pixel-specific ones and the upstream Android fixes.