macOS 10.13 High Sierra Beta 3 And tvOS 11 Beta 3 Released: Here’s Everything We Know

You are now free to download macOS 10.13 High Sierra beta 3 as well as tvOS 11 beta 3, as Apple has officially taken the next step in the progression of three of its major software platforms with the immediate release of iOS 11 beta 3, tvOS 11 beta 3, macOS High Sierra 10.13 beta 3 to all users registered globally on the Apple Developer Program.

Left behind is the Apple Watch software, watchOS 3 beta, this should also see the sunlight very soon or later this month with the release of public beta 3 of all four platforms.

What’s new in macOS 10.13 High Sierra? If you ask for, Apple introduced macOS High Sierra at its 2017 WWDC in June. macOS High Sierra, as the name suggests, is a follow-up to macOS Sierra and is largely designed to improve on macOS Sierra through major under-the-hood improvements, updates and handful of outward-facing changes. Here’s everything you need to know about the macOS 10.13 High Sierra, official changes and enhancements officially announced.

Today, the third beta of aforementioned platforms released, meaning that Apple has instantly placed more skin in the game by giving registered developers yet another pre-release seed to sink their teeth into. Instantly represents an opportunity for those same members to interrogate and deep dive into the latest macOS High Sierra build and tvOS 11 betas to see exactly waht changes have been made and if Apple has actually taken the chance to assign engineering resource to fix any issues or bugs that they have uniquely reported.

macOS 10.13 High Sierra Beta 3: macOS HS brings a number of impressive and extremely valuable improvements to the platform when compared to its predecessor. Apple when introduced macOS High Sierra, said it’s focusing on the fundamentals: data, video, and graphics. High Sierra is about deep technologies that will provide a platform for future innovation while also introducing new technologies to make the Mac more reliable, capable, and responsive.

Introduced with it is a modern file system, Apple File System (APFS), is the new default in macOS HS. APFS is safe, secure, and optimized for modern storage systems like solid state drives. While APFS is ultra responsive and will bring major performance improvements for Macs. All can be achieved and experience on the final version of High Sierra, and that doesn’t mean the third beta in the pre-release roadmap is going to contain a great deal for developers to sink their teeth into.

This release of beta 3 of macOS 10.13 is all about continuation of the platform and ensuring that it’s safe, streamlined as possible ahead of an eventual release.

Those individuals with the necessary developer privileges can grab the latest update from the Updates section of the Mac App Store right now.

tvOS 11 Beta 3: tvOS 11 is one of the surprises from WWDC. In fact, it wasn’t actually announced or discussed during the opening keynote, but then appeared as a fairly decent update over the various versions of tvOS 10. tvOS 11 comes in with a new automatic light and dark mode which changes depending on the time of day of use, as well as various under hood and internal API improvements, changes such as better background offerings for third-party developers, and support for notifications within apps.

tvOS 11 beta 3 OTA update can be grabbed from the settings menu of Apple TV which has a configuration profile of tvOS betas already installed.

Surprising in the fact that this is the first time you are downloading and installing the developer betas of macOS 10.13 High Sierra or tvOS 11, simply head over to to get started.

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