Right. Plus (which you sort of hint at under Maintenance), packaging of more elaborate extensions like PostGIS was a nightmare, especially with respect to upgra

Right. Plus (which you sort of hint at under Maintenance), packaging of more elaborate extensions like PostGIS was a nightmare, especially with respect to upgrades (the situation is better now). And under Security, it's not just worrying about users trying to escape your sandbox: it's also making sure they don't leave themselves open to exploits from their users.