iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
References to Siri for Apple TV Found in iOS 7.1 Code
The file is a supporting property-list resource for Assistant (Apple's internal name for Siri), containing information about the feature. The UIDeviceFamily array declares what platforms are compatible with the feature.References to a new Apple TV model were previously found in iOS 7 builds, and today's information suggests that voice input and feedback are likely to be included on the new device.
As shown by Apple’s documentation, '1' and '2' represent the iPhone/iPod touch and iPad families. The '3' represents the Apple TV family.
Apple's launch plans for a new Apple TV box remain unclear, with rumors of a late 2013 launch giving way to reports centering around an introduction in March or April of this year. Those rumors were then quashed by The Loop's Jim Dalrymple, leaving uncertainty about Apple's television plans. A recent product roadmap prediction from KGI Securities analyst Ming-Chi Kuo indicated that the new Apple TV could arrive around September or October of this year.