'has been redo' and 'has been undo' sounds awkward, perhaps 'The most recent command has been undone/redone' would sound better?   <!--session: 1618545315273-69b18c7d-0cd8-4cff-8e09-9d17b4f9d825-->
'has been redo' and 'has been undo' sounds awkward, perhaps 'The most recent command has been undone/redone' would sound better?