Undo and redo changes

AerTwin keeps the last 25 of your changes in the browser tab, so that you can take them back. Every undo and redo is announced on a notice, so that you always know what it did.

To undo or redo

To	Do this
Undo your last change	Press Ctrl+Z
Redo it	Press Ctrl+Y or Ctrl+Shift+Z
Undo one particular change	Click Undo on the notice that appeared when you made it

The keys undo the most recent change first. A notice’s Undo takes back the change that notice is about, even if you have made others since.

What you can undo

• Creating, editing and deleting findings.
• Changing a saved outline with Apply.
• Filing findings in a group, taking them out of one, and creating, renaming or deleting a group.
• Clearing the filters, and Show N hidden.
• Placing and removing an instrument.

While you are drawing or shaping an outline, Ctrl+Z and Ctrl+Y undo and redo the changes to that outline only.

What undo does not do

• It does not survive a reload. The undo list is kept in the browser tab and is cleared when you reload the page or open another structure. Nothing saved is lost when that happens.
• It never gives back a sign-off. Undoing an edit to a signed-off finding restores its content, but the finding stays a draft until someone signs it off again.
• It never renumbers anything. A deleted finding that you restore keeps its number.
• It does not take back review decisions. To take back a sign-off or a dismissal, click Undo on the finding’s card. See Take back a review decision.
• It does not move the view, change a filter chip or fold a section. Click them again instead.

Note

An undo can be refused — for example, when a colleague has changed the same finding since, or when your role does not allow it. The notice says so, and nothing is changed.