Macos High Sierra 10.13.1 -

Ironically, while 10.13.1 fixed the password hint flaw, it was not the version that patched the infamous “root login with empty password” bug. That security catastrophe was discovered and patched in a supplemental update released on November 29, 2017. If you are running 10.13.1 without the subsequent security update 2017-001, your Mac is critically vulnerable: anyone with physical access (or remote screen sharing) could log in as root by leaving the password blank.

Beneath the surface, 10.13.1 patched critical vulnerabilities:

One of the most common complaints about the initial High Sierra release was stuttering UI animations, especially on older Retina MacBook Pros (Late 2013–2015). macOS High Sierra 10.13.1 directly addressed this.

| Test Scenario | macOS 10.13.0 | macOS 10.13.1 | |---------------|----------------|----------------| | Launchpad frame rate (integrated GPU) | 20–30 fps | 55–60 fps | | Mission Control (multiple desktops) | Occasional stutter | Smooth | | Xbench Disk Test (APFS SSD) | 320 MB/s write | 345 MB/s write | | Geekbench 4 (Metal compute) | 38,000 | 41,200 | | Wake from sleep (seconds) | 4–6 sec | 2–3 sec | macos high sierra 10.13.1

Additionally, battery life saw modest improvements. On a 2015 13-inch MacBook Pro, 10.13.1 provided an average of 45 minutes of additional web browsing compared to 10.13.0 (8.2 hours vs. 7.4 hours).

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.

Users of USB-C audio adapters (especially third-party brands) reported up to 300ms of delay in apps like GarageBand and Skype. Apple never acknowledged this, but community testing suggested a driver regression in the CoreAudio stack. Ironically, while 10

Enterprise users saw significant improvements in the native Mail app. Version 10.13.1 resolved several sync issues with Microsoft Exchange Server 2016, including better handling of meeting invitations and corrected search results in shared mailboxes.

The most visible change in 10.13.1 was the introduction of over 70 new emoji characters. Following Apple’s tradition of using point updates to refresh the character viewer, this release added:

While superficial, this update signaled Apple’s commitment to keeping the OS culturally current without waiting for a full .2 or .3 release. While the version number suggests a minor update, 10

In an era where emojis became a core communication standard, 10.13.1 brought Unicode 10 support. Users gained access to over 70 new emojis, including:

For the average consumer, this was the headline feature. But for IT administrators, the real changes were elsewhere.