Bug encountered :
Xcode 7.3
Real device, iOS 9.3.1
The app stuck at CGFontCreateWithDataProvider (see it only when pausing the process, display is stuck on launchscreen). The bug is reproducible on some devices, not all of them, but is always appearing on those devices.
Bug encountered : Xcode 7.3 Real device, iOS 9.3.1 The app stuck at CGFontCreateWithDataProvider (see it only when pausing the process, display is stuck on launchscreen). The bug is reproducible on some devices, not all of them, but is always appearing on those devices.
Fix from http://stackoverflow.com/questions/24900979/cgfontcreatewithdataprovider-hangs-in-airplane-mode accepted answers, which got its fix from https://alpha.app.net/jaredsinclair/post/18555292
I don't know more about this bug, but this fix really fixed it for me