On your list, you have actually mentioned some projects that Purism has worked on, upstreamed patches to or financed development for things that also benefit Pi

On your list, you have actually mentioned some projects that Purism has worked on, upstreamed patches to or financed development for things that also benefit PinePhone and other environments than GNOME/phosh. I'd add SDL and Wayland as other obvious examples, but there's likely more than what comes to my mind right now :)