Apple has released the following betas to the public beta testers:
Apple Seeds Second Beta of macOS High Sierra to Public Beta Testers
Apple Seeds Second Public Beta of tvOS 11 to Public Beta Testers
Apple Seeds Second Beta of macOS High Sierra to Public Beta Testers
Apple Seeds Second Public Beta of tvOS 11 to Public Beta Testers
Apple Seeds Second Beta of macOS High Sierra to Public Beta Testers
Apple today seeded the second public beta of an upcoming macOS High Sierra update to public beta testers, two weeks after releasing the first public beta. The second public beta of iOS 10 corresponds with the third developer beta, provided to developers earlier this week.Read full article @ MacRumors
Beta testers who have signed up for Apple's beta testing program are able to download the second macOS High Sierra beta through the Software Update mechanism in the Mac App Store after the proper profile has been installed.
Apple Seeds Second Public Beta of tvOS 11 to Public Beta Testers
Apple today seeded the second beta of an upcoming tvOS 11 update to its public beta testing group, two weeks after providing testers with the first beta. The tvOS 11 public beta marks the first time public beta testers have had access to pre-release tvOS software.Read full article @ MacRumors
Prior to tvOS 11, public betas were limited to iOS and macOS software likely due to the slightly more complicated tvOS beta installation process, but now public beta testers can access all software platforms with the exception of watchOS.