When iOS 16.1.2 arrived on November 30, we weren’t entirely sure why Apple couldn’t wait until iOS 16.2, which was right around the corner. At the time, Apple’s release notes said the update contained improvements to the iPhone 14’s Crash Detection and nondescript carrier upgrades, neither of which seemed very pressing. But there was a hidden reason for Apple to push out the update when it did. At the time, we knew there was at least one security update, but Apple declined to tell us what it was. As part of the flurry of updates yesterday, Apple disclosed the reason for the updates and it’s a …