Folks in the know claim that in-place major version upgrades are unadvisable, as it's not a super heavily tested area of postgres development and in the worst c

Folks in the know claim that in-place major version upgrades are unadvisable, as it's not a super heavily tested area of postgres development and in the worst case scenario you might end up with unwanted side-effects in the data that can go uncaught for a while.