A new functionality Status reset rules has been implemented to the section Checklist Configuration.
To enable it, enter ADMIN panel, section 'Checklist Configuration', select a checklist item and click the gear icon in the column 'Status reset rules'.
In the pop-up window mark checkboxes for changes which should trigger selected item's status should turn to red question mark (see screenshot above):
Items Start time & End time can be additionally defined by inserting number of minutes, where Leon should not change checklist item's status.
For example - if a value 00:30 is inserted into 'Start time' item, Leon will not change checklist item's status if STD of the flight changed by less than 00:30.