Migrating a profile right now is really just downloading your settings and subscriptions (option in settings), opening a new account on a different instance, and importing your settings and subscriptions.
Addendum: Yes we know that you think ml/hexbear/grad are tankies and or .world are a bunch of liberals but it gets old quickly. Try and come up with new material.
This is not the place to start flamewars between Lemmy, Mbin and Piefed.
Migrating a profile right now is really just downloading your settings and subscriptions (option in settings), opening a new account on a different instance, and importing your settings and subscriptions.