Sushi, the spacebar file previewer for the Nautilus file manager, has been ported to GTK4/libadwaita as part of the upcoming GNOME 51 release. For anyone unfamiliar with it, Sushi is like Quick Look on macOS: you select a file (images, music, video, documents, etc) in Nautilus, press the spacebar and an instant preview of its content is shown. Press the spacebar again to dismiss. Sushi v51 looks nicer – well, what little UI there is – on newer GNOME releases. There’s a flatter looking headerbar and new overlay controls for certain file types, which let content bleed through from underneath. […]You're reading GNOME Sushi gets a GTK4 overhaul, new features, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.