Following its two-week beta update cycle, Apple has officially released the fourth iteration of iOS 8 Beta (build 12A4345d) to registered developers, packing loads of new bug-fixes and UI ameliorations for iCloud, Messages and Email. iOS 8 Beta 5 comes with a revamped text-prediction toggle & Wifi calling indicator. Moreover, this Beta brings faster access to Spotlight and moves Spirometry data types to HealthKit.