MacOS High Sierra

macOS High Sierra
Version of the macOS operating system
macOS High Sierra desktop with the default wallpaper
DeveloperApple Inc.
OS family
Source modelClosed, with open source components
General
availability
September 25, 2017 (2017-09-25)
Latest release10.13.6 Security Update 2020-006[1] (17G14042) (November 12, 2020 (2020-11-12)) [±]
Update methodMac App Store
Platformsx86-64
Kernel typeHybrid (XNU)
LicenseAPSL and Apple EULA
Preceded bymacOS Sierra
Succeeded bymacOS Mojave
Official websitemacOS High Sierra at the Wayback Machine (archived September 11, 2018)
TaglineYour Mac. Elevated.
Support status
Obsolete, unsupported as of November 12, 2020.[2] iTunes is no longer being updated, but is able to download driver updates to sync to newer devices.[3]

macOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. macOS High Sierra was announced at the WWDC 2017 on June 5, 2017[4] and was released on September 25, 2017. The name "High Sierra" refers to the High Sierra region in California. Its name signified its goal to be a refinement of the previous macOS version, macOS Sierra, focused on performance improvements and technical updates rather than features.[5] This makes it similar to previous macOS releases Snow Leopard, Mountain Lion and El Capitan. Among the apps with notable changes are Photos and Safari.[4][6][7]

macOS High Sierra is the final version of macOS to support the Unibody iMac and the Polycarbonate Unibody MacBook, as its successor, macOS Mojave, drops support for the late 2009 and final models.

  1. ^ "About the security content of Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave". Apple Support. November 12, 2020. Retrieved November 12, 2020.
  2. ^ "Apple security updates". Apple Inc. Archived from the original on July 23, 2019. Retrieved November 3, 2020.
  3. ^ "Home". iTunes.com. Archived from the original on November 7, 2006. Retrieved February 10, 2021.
  4. ^ a b "Apple Events - WWDC Keynote, June 2017 - Apple". Archived from the original on June 6, 2017.
  5. ^ Cunningham, Andrew (September 25, 2017). "macOS 10.13 High Sierra: The Ars Technica review". Ars Technica. Archived from the original on November 12, 2022. Retrieved November 12, 2022.
  6. ^ "macOS 10.13 High Sierra Announced, Release Date Set for Fall". OS X Daily. June 5, 2017. Archived from the original on June 27, 2017. Retrieved June 6, 2017.
  7. ^ Cunningham, Andrew (June 19, 2017). "macOS High Sierra tech preview: A quick look at the stuff you can't see". Ars Technica. Archived from the original on June 20, 2017. Retrieved June 20, 2017.

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