December 2021 Release notes 4.17 Check-in Check-in can now be easily upgraded to a higher version (e.g. from 4.17 to 4.18) without having to upgrade the USB stick loader first. The upgrade can be done straight from the interface with just the click of a button. To prevent any data loss, we’ve enabled an automatic sync before dropping the data.Always flag the registrant of the registered event as attended, even when the Check-in is selected for another event. Check-in Lite Check-in Lite now supports badge scanning, with all rules and conditions defined (in online mode only).