They are not present anywhere in the new mockups. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/872
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/904
- split _common.scss into widgets - improve _drawing functions - minify SVG assets https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/904