Apple to Launch iOS 8.3 and 9 Public Betas
Like with OS X Yosemite, Apple is said to launch public beta testing for iOS 8.3 and iOS 9, says 9to5Mac. These public betas allow more people to try out the latest and greatest from Apple. This will also Apple to get feedback on what to fix.
In previous years Apple has never released public betas for iOS before. However, last year the started seeding betas of OS X Mavericks, as well as Yosemite this year. Many people use iOS and would be great for Apple, who will get a lot of feedback.