Undo, Redo, Revert

Undo an edit by tapping Stack Editor icon and selecting Undo. Select Undo multiple times to back up multiple steps in the workflow.

Redo an edit that has been undone by tapping Stack Editor icon and selecting Redo. If multiple steps have been undone, then selecting Redo multiple times will bring back those steps in the workflow.

Revert back to the unedited image and start again by tapping Stack Editor icon and selecting Revert. The Revert action can be undone by tapping Stack Editor icon and selecting Undo.