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Release appearance

macOS 10.13 Public

Full article
Public release

Recorded context

About this appearance

macOS High Sierra 10.13 reached the public channel on September 25, 2017 with new storage, media, graphics, machine-learning, virtual-reality, app, browser, productivity, and security capabilities.

Date
Sep 25, 2017
Availability
available
Revision
No

Release notes

What changed

Original editorial synthesis. Linked references appear with the claims they support and in the source ledger.

Public release

Apple made macOS High Sierra available from the Mac App Store as a free update on September 25, 2017. Apple said it supported Macs introduced in late 2009 or later, with feature availability varying by hardware, region, and language.[1][2]

Documented scope

The structured entries synthesize Apple's launch announcement and version-specific security record. Hardware qualifications remain attached, and later 10.13 Supplemental Update or point-release deltas are excluded.[3][4][5]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. Apple security updates (2016 to 2017)

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · macOS High Sierra 10.13 — 25 Sep 2017

    Back to text ↑
  2. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Pricing and Availability

    Back to text ↑
  3. Apple security updates (2016 to 2017)

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · 10.13 launch, Supplemental Update, 10.13.1, and 10.13.2 entries

    Back to text ↑
  4. About the security content of macOS High Sierra 10.13

    Apple Support · Apple · 2017-09-25T00:00:00.000Z · macOS High Sierra 10.13 security content

    Back to text ↑
  5. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · New features in macOS High Sierra

    Back to text ↑
  6. About the security content of macOS High Sierra 10.13

    Apple Support · Apple · 2017-09-25T00:00:00.000Z · 802.1X through WebKit; released September 25, 2017

  7. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Additional app refinements — Notes

  8. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Additional app refinements — Safari

  9. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Additional app refinements — Siri

  10. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Additional app refinements — Spotlight

  11. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Additional app refinements — Touch Bar

  12. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Apple File System (APFS)

  13. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Core ML

  14. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · High-Efficiency Video Coding (HEVC) Support

  15. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Metal 2

  16. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Photos Update

  17. About the security content of macOS High Sierra 10.13

    Apple Support · Apple · 2017-09-25T00:00:00.000Z · Released September 25, 2017

  18. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · September 25, 2017; Pricing and Availability

  19. macOS High Sierra now available as a free update

    Apple Newsroom · Apple · 2017-09-25T00:00:00.000Z · Virtual Reality Support

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

security · introduced

Intelligent Tracking Prevention

documentedconfirmed

The browser identified and restricted cookies and related data used to follow users across sites, adding a privacy boundary to ordinary browsing.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Safari

feature · introduced

Safari autoplay controls and automatic Reader

documentedconfirmed

High Sierra gave users more control over disruptive playback and let the browser consistently present compatible articles in a simplified reading view.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Safari

feature · introduced

Apple File System on all-flash internal storage

documentedconfirmed

The new storage architecture made operations such as copying files and directories nearly instantaneous and added protections against power-loss or crash-related corruption. Fusion Drive and hard-drive support was deferred.

  1. [1] macOS High Sierra now available as a free update · Apple File System (APFS)

developerApi · introduced

Core ML framework

documentedconfirmed

The framework used Metal and Accelerate for computer vision, natural-language, and neural-network workloads while keeping inference processing on the device.

  1. [1] macOS High Sierra now available as a free update · Core ML

developerApi · changed

Metal 2 and external GPU foundations

documentedconfirmed

The release advanced Apple's GPU framework and established a path for demanding workflows to use external graphics hardware on supported Macs.

  1. [1] macOS High Sierra now available as a free update · Metal 2

enhancement · changed

Photos organization and editing redesign

documentedconfirmed

The app's interface and editing workflow were expanded to make library navigation more direct and to support finer tonal and color adjustments.

  1. [1] macOS High Sierra now available as a free update · Photos Update

feature · introduced

Tables in Notes

documentedconfirmed

Users could organize structured information directly in a note without switching to a spreadsheet or separate document.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Notes

feature · introduced

HEVC video support

documentedconfirmed

Apple described HEVC as reducing storage requirements relative to H.264 while enabling higher-quality streaming; hardware acceleration depended on newer Mac hardware.

  1. [1] macOS High Sierra now available as a free update · High-Efficiency Video Coding (HEVC) Support

enhancement · changed

More natural Siri voice and Apple Music knowledge

documentedconfirmed

The assistant's spoken output and Apple Music interactions were expanded for more personalized playback requests.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Siri

security · fixed

High Sierra 10.13 security baseline

documentedconfirmed

Apple's living advisory records broad repairs across local, network, file, graphics, identity, kernel, and browser attack surfaces. Later-added advisory entries are represented as part of Apple's current published record, not as proof of launch-day disclosure.

  1. [1] About the security content of macOS High Sierra 10.13 · 802.1X through WebKit; released September 25, 2017

feature · introduced

Live Photos editing and third-party project extensions

documentedconfirmed

Users could apply Loop, Bounce, or Long Exposure effects, choose a different key image, edit through supported third-party tools, and create printed or published projects from Photos.

  1. [1] macOS High Sierra now available as a free update · Photos Update

developerApi · introduced

Virtual-reality content creation

documentedconfirmed

Apple established VR authoring support and described ecosystem work with Valve, Unity, Epic, and professional video tools, while identifying some integrations as later arrivals.

  1. [1] macOS High Sierra now available as a free update · Virtual Reality Support

enhancement · changed

Expanded Touch Bar controls

documentedconfirmed

Supported MacBook Pro models gained a broader set of persistent controls and richer editing or playback interactions on the Touch Bar.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Touch Bar

feature · introduced

Flight status in Spotlight

documentedconfirmed

System search could surface a compact operational view of a flight without requiring a separate travel app or web search.

  1. [1] macOS High Sierra now available as a free update · Additional app refinements — Spotlight