Minimum useful import
Board names, list order, card titles, descriptions, checklists, labels, and due dates.
Migration
Moving boards should preserve the work people care about.
Dragon Tasks migration planning should account for boards, lists, cards, descriptions, labels, checklists, due dates, attachments, archived cards, and members. Import tooling is planned, not shipped.
Known hard parts
Attachments, comments, automations, integrations, permissions, and history may require limits or manual review.