I-Arc iyitimu eyisicaba enezici ezibonisa ngale ze-GTK 3, GTK 2 namagobolondo edeskithophu ahlukahlukene, abaphathi bamawindi nezinhlelo zokusebenza. Izifanele kahle izindawo zedeskithophu ezisekelwe ku-GTK ezifana ne-GNOME, Cinnamon, Xfce, Unity, MATE, Budgie njll. Itimu ekuqaleni yaklanywa futhi yathuthukiswa ngu-horst3180, kodwa iphrojekthi ayizange inakekelwe kusukela ngoMeyi 2017. Le mfoloko ihlose ukugcina itimu ibuyekezwa ngekhithi yamathuluzi entsha kanye nemvelo yedeskithophu futhi ixazulula izinkinga zangaphambili, ilungisa izinguqulo zangaphambili, futhi ixazulula izinkinga zedeskithophu. umklamo obonakalayo.