In my first week at Red Hat I started working on the Printers panel on GNOME Control Center. My first task was to rewrite the printer Jobs dialog to match the newest mockups at https://wiki.gnome.org/Design/SystemSettings/Printers
Talk is cheap, so look at the screencast below:
ps.: since it is a big UI change and we’re close to a release, this new design will probably feature gnome 3.20.