Pagico 8.18 r2423 zaps a bug that was recently introduced in the r2421 release, where in certain scenarios changes made in your Inbox may get reversed after data sync. Simply installing this update should address this issue entirely. We sincerely apologize for the inconvenience, and we are fully committed to delivering a reliable data sync experience to everyone.
As such, Pagico 8.18 r2423 is recommended for all v8 users to upgrade.