The background notification service of Apple's latest iOS 11 is now known to be deficient and we would ask users, DO NOT update devices until a fix has been implemented in iOS 11.1, which is now in Beta release.
Posted Sep 28, 2017 - 11:02 ACST
Identified
The issue has been identified and a fix is being implemented.
Posted Sep 27, 2017 - 14:28 ACST
Investigating
iPads and iPhones that have been updated to iOS 11 will see some inconsistencies when saving site settings, using host notifications or using direct messaging to the device