Siril should be removed, as I orphaned it (see another thread in this list).
Boinc stuff can also be removed, it doesn't make sense to me to have boinc installed
on a live spin.
But, if I'm not wrong, here we're talking about the size of the system installed
on disk... can't we just increase the recommended part size to 20GB? The ISO size
seems just fine to me (3.6GB).
Mattia