One of the things that came up during user testing GNOME 40 was that people went through the Tour and all the abstract(ish) UI illustrations didn’t really help people orient themselves on screen. We did get positive feedback on the feel of the tour though. For the new Tour we iterated on some illustrations that help solidify the style and give a nice welcoming vibe to the experience.
Because you can soon experience GNOME 40 yourself, here’s a few sketches of the exploratory phase. Be sure to check out some background on how the animations were done.