Azure doesn't really offer migrations paths, and their database migration tool has a ton of edge cases (not supported over 1tb etc) so while pg_upgrade is nice,

Azure doesn't really offer migrations paths, and their database migration tool has a ton of edge cases (not supported over 1tb etc) so while pg_upgrade is nice, Azure doesn't really have a path to use that. On top of that Azure postgres (limited to pg11) has essentially deprecated in place of their v2 Flexible tier with no official migration path.