Apple released a new round of betas today, but it's not the ones that you were waiting for. Today saw the fourth beta iterations of iOS 9.3.3, OS X 10.11.6 El Capitan, tvOS 9.2.2, and a first beta for Server 5.1.6. Anyone who was waiting for iOS 10 or macOS Sierra beta 2 is fresh out of luck.
As the version numbers indicate, there are no new front-facing features in any of these builds. The Server notes say that it, "Fixed an issue affecting Server installations configured with a third-party SSL certificate that prevented MDM enrollment using DEP."
As usual, the iOS 9.3.3 release notes say that there are known issues with the Simulator and the Dictionary, the OS X notes say absolutely nothing, and the tvOS notes say that there are no known issues.
At this point, the only way to get these betas is to be on the public beta program or to install them through iTunes.
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