Bulk creation of 2nd lessons using control key or similar, in same way that initial lessons are scheduled.
Ability to add these further lessons in bulk (as when timetabling to mirror existing lesson to be accommodated in an adjacent teaching room in parallel with practical lab class) .
If the attachment changes, you have to redo the whole bulletin
If the attachment changes, you have to redo the whole bulletin. It would be good if you could just delete the old attachment and add a new one, without having to redo the whole bulletin