After update to Firefox Developer Edition 81.0b2 (64-bit) an issue arises where the browser appears frozen or stalled and requires a reload of page when the above setting is true after printing. This was not the case prior to the update. Currently this is not apparent in Standard Firefox 80.0 (64-bit) with the above setting true.
This is a bad thing for kiosks. I guess this is a bug.
Modified by sales131