10.13 High Sierra Beta 1

Apple today released the first beta of an upcoming macOS High Sierra 10.13.1 update to developers, one day after seeding the update to developers and a few days after releasing the new High Sierra operating system to the public.

Beta testers who have signed up for Apple's beta testing program will be able to download the new macOS High Sierra beta through the Software Update mechanism in the Mac App Store.


Those who want to be a part of Apple's beta testing program can sign up to participate through the beta testing website, which gives users access to iOS, macOS, and tvOS betas.

macOS High Sierra 10.13.1 appears to focus primarily on bug fixes, performance improvements, security enhancements, and other under-the-hood updates. No major outward-facing features were found in the developer beta.

macOS High Sierra is an update that's designed to improve and refine macOS Sierra. Along with a new, more efficient file system designed for modern storage, the update introduces High Efficiency Video Encoding (HEVC aka H.265).

Many apps have small tweaks and feature updates in High Sierra. Photos features a new persistent side view and editing tools for Curves, Selective Color, and Live Photos, while Safari offers a new autoplay blocking feature for videos and Intelligent Tracking Prevention to protect your privacy.

Full details on all of the new features in macOS High Sierra can be found in our macOS High Sierra roundup.

By Malcolm Owen
Tuesday, April 03, 2018, 03:40 pm PT (06:40 pm ET)

Following the release of macOS High Sierra 10.13.4 on Friday, Apple has restarted the operating system testing cycle once again, issuing its first beta of macOS 10.13.5 to developers enrolled in Apple's testing program on Tuesday.

10.13 High Sierra Beta 1 Download


  1. Jun 05, 2017 macOS High Sierra (10.13) MacRumors attracts a broad audience of both consumers and professionals interested in the latest technologies and products. We also boast an active community focused on purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms.
  2. Jan 24, 2018  macOS High Sierra is going even higher today with the first developer beta version of macOS 10.13.4 now available. The new developer beta comes one day after the release of macOS 10.13.

Download macOS 10.13 High Sierra Public Beta 1 And Install The Right Way, Here’s How By Paul Morris June 30th, 2017 Here’s how you can download macOS 10.13 High Sierra and install the right way through Apple’s Public Beta Software Program.


SierraThe first High Sierra 10.13.5 beta bears the build number 17F35e. The test version has yet to make its way to Apple's developer webpage, but is available through the Mac App Store for those who provisioned their Mac to run beta software.
AppleInsider is currently testing out the new beta to find out what new features have been included in this first release.
Developers are able to download macOS High Sierra 10.13.5 beta 1 via the Mac App Store and, when it goes live, Apple's developer portal.

10.13 High Sierra Beta 1 7


AppleInsider, and Apple itself, strongly advise against installing beta releases on mission-critical hardware, due to the potential loss of data that can occur.
Apple released macOS 10.13.4 to the public on March 29, introducing enhanced eGPU support to the operating system. The addition makes it easier for users to connect a separate Thunderbolt 3 enclosure equipped with a dedicated video card to a Mac, which can increase the available processing power for graphics-heavy tasks, such as VR, gaming, and CAD.
Business Chat was also included, allowing users to communicate directly with companies via Messages, and even make purchases. The update also introduced more clarity on privacy and personal information, the ability to sort Safari bookmarks, and a number of other stability, performance, and security changes.

10.13 High Sierra Beta 1 2

The first macOS beta also arrives one day after similar initial betas for iOS 11.4, tvOS 11.4, and watchOS 4.3.1 were released to developers.