The primary purpose of 10.13.1 was to patch significant security vulnerabilities.
While the version number suggests a minor update, 10.13.1 introduced several user-facing features that were notably absent from the initial High Sierra launch.
Method 1: Software Update (Recommended for most users) macos high sierra 10.13.1
Method 2: Combo Update (For users skipping multiple updates) Apple released a full “Combo Update” (2.8 GB) for those on 10.13.0 or earlier betas. This package is still available on Apple’s support website (support.apple.com/downloads). Search for “High Sierra 10.13.1 Combo.” This version often resolves issues that the delta updater misses.
Method 3: Clean Install (For optimal performance) The primary purpose of 10
External USB 3.0 drives would sometimes unmount improperly after the Mac went into deep sleep. This persisted from 10.13.0 and was only partially mitigated in 10.13.1. Users were advised to disable "Put hard disks to sleep when possible" in Energy Saver preferences.
If you are currently running an older version of High Sierra or even Sierra, here is your step-by-step guide to getting 10.13.1. Method 2: Combo Update (For users skipping multiple
While not explicitly advertised, 10.13.1 brought a subtle redesign to Disk Utility:
For Mac technicians, this update was mandatory before performing any disk-related maintenance.