Signal now has usernames (not just phone numbers), and has a way to migrate most of your history onto new devices without having to use the terrible backup UX.

Signal now has usernames (not just phone numbers), and has a way to migrate most of your history onto new devices without having to use the terrible backup UX. If it gets to the point of migrating all your media (not just the last N days) as well, it'd be to the point that I'd start asking everyone I know to use it without reservations.