Updated models with AMD graphics options expected in early 2017.
Apple Releases First iOS 8.1.1 Beta to Developers
The beta, build 12B432, is available through the iOS Developer Center. Apple has also released a new Apple TV beta.
According to Apple's release notes, iOS 8.1.1 includes bug fixes and increased stability and performance improvements for both the iPad 2 and the iPhone 4s, two of the older devices that support the operating system.
As a minor update , iOS 8.1.1 includes fixes for several bugs, but major new features rumored for iOS 8, like improvements to Maps and split-screen multitasking for the iPad, will be reserved for major iOS 8 updates that are also in development.