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GNOME Sushi as the file previewer component for the GNOME Files (Nautilus) file manager has now been adapted to make use of GTK4 as well as delivering other enhancements for a nicer file previewing experience on GNOME…
Полный текст и контекст у первоисточника: https://www.phoronix.com/news/GNOME-File-Previewer-GTK4