Open a workflow, pick an older version from the list, and the canvas goes read-only, which is right. But undo and redo stay live. Press either and you are editing that old version's document.
On a pinned version you still have permission to edit the workflow, so the server accepts the change and writes it into the snapshot.
Open a workflow, pick an older version from the list, and the canvas goes read-only, which is right. But undo and redo stay live. Press either and you are editing that old version's document.
On a pinned version you still have permission to edit the workflow, so the server accepts the change and writes it into the snapshot.