iOS 12.1.4 addresses serious security issues, but causes problems for some users
Skipping update is not recommended, but some have reported annoying problems
Apple says teen that discovered FaceTime bug is eligible for bug bounty
Reward could be between $25,000 and $200,000
Apple will have Group FaceTime bug fixed by next week
It was a problem with the FaceTime servers
Apple's FaceTime bug lets you see and hear someone before they pick up
Apple is working on a fix
Apple pulls Group FaceTime from iOS 12 and macOS Mojave, will re-add it later this fall
One of iOS 12's key features won't be ready come launch time
