shutter depends on libgoocanvas2-perl and libgoocanvas2-cairotypes-perl,
which are Perl bindings for the unmaintained library goocanvas-2.0 (see
#1112390).

If I understand correctly, the suggested replacement is to use a
GtkDrawingArea (GTK 3 or 4) or the Gsk scene graph (GTK 4).

Thanks,
    smcv