Undo, undo, undo.
Combined this is 113 upvotes which means its far and away the most requested feature.
Can we have a statement as to why its not in the product or difficult to deliver?
The following strike me as the most useful things to undo: Project Editor add/deletes/mass update actions/single item edits/location deletes/system deletes. Anything beyond that is icing for me.
Do we have to unionize and strike to get this added or what?!?!