Macos High Sierra 10.13.1

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.

Published: November 1, 2017 | Updated for Legacy Software Reference

When Apple released macOS High Sierra (version 10.13) in September 2017, it was marketed as a “refinement” rather than a reinvention. The focus was on under-the-hood technologies: a new Apple File System (APFS), High Efficiency Video Coding (HEVC), and Metal 2 for graphics. However, as with any major OS transition, the initial release contained bugs, security gaps, and performance inconsistencies.

Enter macOS High Sierra 10.13.1. Released on October 31, 2017, this first major point update was not just a collection of bug fixes. It was a pivotal security patch and feature drop that signaled Apple’s commitment to stability and forward-thinking protocols. For users still running legacy hardware or maintaining older software environments, understanding 10.13.1 is essential.

This article explores everything you need to know about macOS High Sierra 10.13.1: its new features, security patches, performance changes, installation pitfalls, and why it remains a relevant reference point for vintage Macs today.


The launch of macOS High Sierra (10.13) marked the controversial shift from HFS+ to the new APFS (Apple File System) for solid-state drives. However, the initial rollout had gaps. 10.13.1 improved the compatibility and reliability of APFS, specifically addressing issues with FileVault-encrypted volumes and external drives.

For users who had hesitated to upgrade to High Sierra due to fears of file corruption, 10.13.1 served as a stability anchor, proving that the new file system was ready for daily driver status.

Backing up to a network SMB share (e.g., a Windows server or a Linux NAS) remained slower than with macOS Sierra. 10.13.1 improved reliability but not speed; initial backups could take 2–3x longer than HFS+ equivalents.


The version macOS High Sierra 10.13.1 was released on October 31, 2017, as the first major update to High Sierra. While "develop an piece" is a bit ambiguous, it likely refers to setting up a development environment on this specific system or writing an article/piece about its capabilities. Development Environment Setup

If you are looking to develop software on 10.13.1, keep in mind that this version is no longer officially supported by Apple and does not receive security updates. To build a modern development "piece" or environment:

Update to 10.13.6: Before starting, it is highly recommended to update to the final version of High Sierra (10.13.6) via the Apple Support Downloads page to ensure maximum stability and compatibility.

Xcode: The highest compatible version of Xcode for High Sierra is Xcode 10.1. You can download older versions from the Apple Developer portal.

Package Managers: You can still install tools like Homebrew via the terminal, though many modern formulas may require building from source rather than using pre-compiled binaries due to the OS's age. macos high sierra 10.13.1

Modern Upgrade: If your hardware supports it, you can upgrade from High Sierra to newer versions like macOS Big Sur or macOS Mojave to access more recent development tools. Writing a "Piece" (Overview of 10.13.1)

If you are writing an article or piece about this OS, here are the key features introduced in the 10.13.1 update:

New Emoji: Added over 70 new emoji characters, including mythical creatures, clothing types, and more expressive smiley faces.

Security Fixes: Addressed the critical KRACK (Key Reinstallation Attack) vulnerability in Wi-Fi.

APFS Reliability: Improved the reliability of the then-new Apple File System (APFS). macOS High Sierra - App Store - Apple

macOS High Sierra 10.13.1: A Deep Dive into Apple's Latest Operating System

On October 31, 2017, Apple released macOS High Sierra 10.13.1, a significant update to its desktop operating system. This incremental update built upon the foundation laid by macOS High Sierra 10.13, which was initially released on September 25, 2017. In this article, we'll take a closer look at the features, improvements, and changes introduced in macOS High Sierra 10.13.1.

Overview of macOS High Sierra

Before diving into the specifics of 10.13.1, let's briefly recap the key features and improvements introduced in macOS High Sierra 10.13:

What's New in macOS High Sierra 10.13.1

Now, let's explore the changes and improvements introduced in macOS High Sierra 10.13.1:

Under the Hood Changes

In addition to the user-facing changes, macOS High Sierra 10.13.1 includes several under-the-hood changes and improvements:

Installation and Upgrade

If you're running macOS High Sierra 10.13, you can easily upgrade to 10.13.1 through the Mac App Store. Simply follow these steps:

Conclusion

macOS High Sierra 10.13.1 is a solid incremental update that builds upon the foundation laid by its predecessor. While it may not introduce revolutionary new features, it provides important security patches, compatibility improvements, and under-the-hood changes that enhance the overall user experience. If you're running macOS High Sierra 10.13, it's recommended that you upgrade to 10.13.1 to ensure you have the latest security patches and improvements.

macOS High Sierra 10.13.1 was released on October 31, 2017, as the first major point update to the High Sierra operating system. While the original 10.13 release focused on massive "under-the-hood" technological shifts, version 10.13.1 served as a critical refinement period, introducing new expressive features and essential security patches for vulnerabilities like KRACK. Key Features and New Additions

The most visible addition in this update was a significant expansion of the system's visual language.

70 New Emojis: The update introduced a wide array of new characters, including mythical creatures (vampires, genies), animals (zebras, giraffes, hedgehogs), and various food items.

Gender-Neutral Characters: To promote inclusivity, several gender-neutral emoji options were added to the library.

Expressive Smiles: More nuanced smiley faces were included to help users convey complex emotions more accurately. Essential Security and Performance Fixes

Beyond the fun additions, 10.13.1 was a "must-install" update due to several high-priority security and reliability improvements:

KRACK Wi-Fi Vulnerability Fix: This update patched a major flaw in the WPA2 Wi-Fi protocol that could have allowed attackers to decrypt network traffic and steal sensitive information. Enterprise users saw significant improvements in the native

Mail and Exchange Improvements: Apple improved the reliability of Microsoft Exchange message synchronization within the native Mail app, addressing issues some professional users faced after the initial High Sierra launch.

Spotlight Keyboard Fix: A frustrating bug where Spotlight would sometimes fail to accept keyboard input was resolved, restoring the efficiency of the system-wide search tool.

Bluetooth and Apple Pay: A bug that caused Bluetooth to appear "unavailable" during Apple Pay transactions was fixed, ensuring a smoother checkout experience.

Enterprise Enhancements: For business users, the update improved SMB printing reliability and made Touch ID preferences more accessible for mobile accounts on the MacBook Pro. The Underlying Foundation: High Sierra's Core Technologies

As part of the High Sierra family, version 10.13.1 benefits from the massive architectural changes introduced in late 2017:

Apple File System (APFS): Replaced the decades-old HFS+ system, making common tasks like copying large files and calculating folder sizes nearly instantaneous.

HEVC (H.265) Support: Introduced a more efficient video codec that allows for 4K video streaming while taking up roughly 40% less storage space.

Metal 2: Provided developers with a more powerful graphics framework for smoother UI animations and support for Virtual Reality (VR) content creation. Important Historical Context: The "Root" Vulnerability

Shortly after the release of 10.13.1, a critical "root" vulnerability was discovered that allowed anyone to log in to a Mac with administrative privileges by using the username "root" and no password. Apple quickly released Security Update 2017-001 to fix this. It is important for users on 10.13.1 to ensure this specific supplemental security patch is also installed.

Based on the specific version number macOS High Sierra 10.13.1, this update was a supplementary release focused primarily on security, bug fixes, and compatibility rather than major UI overhauls. It was released on October 31, 2017.

Here are the specific features and changes introduced in macOS High Sierra 10.13.1:

No update is perfect. macOS High Sierra 10.13.1 fixed many problems but introduced (or retained) a few notable quirks. The launch of macOS High Sierra (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.