On Monday, June 13, Apple's Craig Federighi has declared in the opening demo at this year's edition of the World Developers Conference that iOS 10 is the biggest release of iPhone software in its history.

Apple has made many important iOS 10 announcements at WWDC, explaining that the upcoming operating system will come with a solid set of new features. The high-tech giant is expected to launch the final version of iOS 10 in September.

According to MacRumors, Apple's mobile operating system introduces now third party developer support in the iMessage chat platform. Developers will be able to create app extensions with the new SDK, similar to third party keyboard apps already available on the App Store. Users will be able to interact with these apps from directly within Messages.

The Square Cash payment service will work as an app extension for Messages. Users of iMessage chat platform could pick an amount and attach it to a message. However, international payment transfers are not available as of now.

Emojis within Apple's Messages app are now three times bigger. Predictive emoji will be offered as well. This feature allows emojis to replace words in a semi-autonomous way.

A clever time saver feature called Tapback was also implemented in the iMessage chat platform. The feature allows users to send one of six quick responses.

According to Irish Examiner, the iOS 10 will also come with a redesigned lockscreen, adding shortcuts so user can quickly access music apps and the camera, interactive live updates with apps like Uber and rich messages. Widgets have been upgraded and 3D touch on the homescreen provides more information for selected apps.

Among the important improvements within iOS 10 is Siri. The virtual assistant will work with specific apps, since has been opened up to developers.

Apple Photos will come with added scene, facial and object recognition. Users can also view their photos on a map. In "Memories," users will be able to group their photos based on people, trips and activities.