Trello keeps a card’s history in the Activity section on the right side of the card. You can see all changes, including edits to the description, comments, due dates, and more. If someone changes something by mistake, you can manually revert it by copying the previous value from the history back into the card.
Currently, Trello doesn’t have an automatic “restore previous version” button, but the Activity log is the best way to track and undo changes.
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