Hi It's an old story: DK 5.6 (official linux 64bit appimage) can't display gimp-2.9.4 .xcf thumbnails but Nautilus filemanager can do it. I think ffmpeg through QtAV can't do the job. Is it 'normal'? https://bugzilla.gnome.org/show_bug.cgi?id=782244 Thanks -- Maderios