Apple has released a sixth set of betas of iOS 12, tvOS 12, and watchOS 5 to registered developers, along with the corresponding public betas for iOS 12 and tvOS 12. These latest betas come only a week after the last betas were released, suggesting that Apple may be ramping up development efforts as we get closer to the expected September release of iOS 12. iOS 12 beta 6 features a build number of 16A5345f and is accompanied by release notes outlining…