After online reports of a bug that appeared to be crashing iPhones just after the date rolled over to December 2, Apple rolled out the iOS 11.2 on Saturday, the first time the company has ever released an update on a weekend. Time-based notifications for certain apps began crashing or respringing the devices at 12:15 a.m. on December 2, specifically apps that issue repeated reminders throughout the day. Apple took the unusual step of releasing its…