Report: Next iPhone to Add Force Touch Display

Each new iOS iteration comes with a handful of changes, some big and some small, like the iOS 9 tweaks reported this week by 9to5Mac.

That includes rumors of a Force Touch display with haptic feedback on the next-gen iPhone, currently dubbed iPhone 6s. The technology is already integrated into Cupertino's new MacBooks and allows for different actions depending on the level of pressure you apply to the touchpad.

As a result, iOS 9 will be "Force Touch-ready," 9to5Mac said, meaning developers can create apps that will take advantage of the technology on iPhone 6s, particularly on services like maps, media players, and calendars.

In another break from tradition, iOS 9 could feature a new, slightly longer keyboard, with additional editing controls when flipped into portrait mode. Apple is also said to have redesigned the Shift Key to make it more obvious when shift or caps lock is turned on, 9to5Mac reported.

Apple's iMessage may also get support for read receipts in group chats and the ability to choose which contacts can see a message's "read" status.

Earlier this year, reports tipped fewer revolutionary features and more stability improvements for iOS 9. Among them: a reduction in the amount of storage required to perform a software update.

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9to5Mac also recently reported that iOS 9 will play nice with older devices like iPhone 4s and the original iPad mini. Citing multiple sources familiar with Apple's plans, the blog said Cupertino is building a "core version" of the next-gen system that will work on gadgets running the older A5 processor. Other features, meanwhile, may only work on newer handsets.

Expect more details about iOS 9 and Mac OS X at next month's WWDC, which kicks off June 8 in San Francisco.