macOS High Sierra

macOS High Sierra
Version of macOS
Preliminary name
Latest build17G14042
Release date2017-09-25
Support end2020-11-12
macOS Sierra
Replaced by
macOS Mojave

macOS High Sierra, or macOS 10.13, is the fourteenth major release of macOS that was released on 25 September 2017. It was announced on 5 June 2017 at WWDC. This version introduces various changes to core macOS components, including a new filesystem (APFS) designed to replace the older HFS+ filesystem used since Mac OS 8.1. This version also introduced separate updates (BridgeOS) for the ARM co-processor included in certain Macs.

New features and changes[edit | edit source]

  • APFS is a new filesystem that replaces HFS+ and uses Copy-on-Write, containers, and encryption to increase performance on SSDs.
  • A new Metal API, including additional support for VR headsets and external GPUs.
  • New privacy tools in Safari, including Intelligent Tracking Prevention.
  • The Photos app has been updated with new editing tools and UI adjustments.
  • 10.13.5 adds iCloud support to Messages.
  • Siri voices have been updated to be more natural.
  • Tables can now be added in the Notes app.
  • Optimizations have been made to the Mail app.
  • New H.265 (HEVC) decoder service (with additional hardware acceleration on certain Macs).
  • New HEIF decoder service for HEIC-formatted images.
  • Support for FLAC and Ambisonics file formats.
  • Swift 4 support (in Xcode 9).
  • Support for T2 chips.

Hardware compatibility[edit | edit source]

macOS High Sierra is officially compatible with the following Macs:

  • iMac (Late 2009 and later)
  • iMac Pro (2017)
  • MacBook (Late 2009 and later)
  • MacBook Air (Late 2010 and later)
  • MacBook Pro (Mid 2010 and later)
  • Mac mini (Mid 2010 and later)
  • Mac Pro (Mid 2010 and later)

List of known builds[edit | edit source]

10.13.0[edit | edit source]

10.13.1[edit | edit source]

10.13.2[edit | edit source]

10.13.3[edit | edit source]

10.13.4[edit | edit source]

10.13.5[edit | edit source]

10.13.6[edit | edit source]

Security Updates[edit | edit source]

2018-002[edit | edit source]

2018-003[edit | edit source]

2019-001[edit | edit source]

2019-002[edit | edit source]

2019-003[edit | edit source]

2019-004[edit | edit source]

2019-005[edit | edit source]

2019-006[edit | edit source]

2019-007[edit | edit source]

2020-001[edit | edit source]

2020-002[edit | edit source]

2020-003[edit | edit source]

2020-004[edit | edit source]

2020-005[edit | edit source]

2020-006[edit | edit source]