Supported Devices:

iPhone:
iPhone 4S
iPhone 5
iPhone 5C
iPhone 5S
iPhone 6 & 6 Plus

iPod  Touch:
iPod Touch 5th Generation
iPod Touch 6th Generation

iPad:
iPad 2
iPad 3
iPad 4

iPad Mini:
iPad Mini 1st Generation
iPad Mini 2
iPad Mini 3

iPad Air:
iPad Air 1st Generation
iPad Air 2

Initial Release: 8.0 (September 17 2014)
Latest Release: 8.4.1 (August 13 2015)

New Features:
- Health app
- Apple Watch Support (iPhone 5 or later)
- Apple Music
- Improved stability
- Support for larger screens
- Quick Reply
- Apple Pay
- Dropped Support for Single Core Processors
- Gestures for iPad
- Contacts in Multitasking
- Support for NFC