Following this, Apple itself has officially confirmed the date of the conference for developers on its website.

"The WWDC 2016 will be a landmark event for developers that work with the Swift language, and create applications for iOS, OS X, watchOS and tvOS. We look forward to you joining us in San Francisco or the online broadcast" - according to Apple's website.
One of the most anticipated announcements of WWDC 2016 is the tenth version of iOS. Also, Apple needs to update its other operating system. According to rumors, the company will rename OS X's MacOS. Also, it is likely that Apple will introduce an updated line of laptops and smart-watch the second generation.