The guy is the lead dev of the Budgie desktop environment. Budgie started out kind of reusing components from GNOME, but Strobl has been rather frustrated with GTK and the directions it took with GTK4, for various reasons: https://joshuastrobl.com/2021/09/14/building-an-alternative-ecosystem
(The disclaimer is important, some opinions on what alternative to use changed, but the frustrations with GTK remain.)
@[email protected]@[email protected] Thanks for the shout-out! Was really appreciated ❤️ Great to see a bunch of KDE folks show up and as one would expect, a friendly and helpful bunch as always! 💯