Undo / Redo
Undo command
To undo the last operation on the current image click the Undo icon on the main toolbar or select the Edit->Undo item in the main menu or Undo item in the context menu. You can use Ctrl+Z shortcut for this command.
Redo command
To redo a previously undone operation click the Redo icon on the main toolbar or select the Edit->Redo item in the main menu or Redo item in the context menu. You can use Ctrl+Y shortcut for this command.