Issue with label printing

We've noticed issues with iOS automatic upgrades on iPad impacting label printing via Airprint on wifi.

How to avoid 

Turn off auto updates and avoid upgrading to iOS 16.x until we have released a fix.

More info 

We believe this is a generic problem affecting other apps and any printer, not just our recommended Brother QL printers. The symptom is the first label printing properly and subsequent ones printing much larger in either dimension.