Apple Releases macOS High Sierra 10.13.4 With eGPU Support, Business Chat in Messages, and More

Apple today released macOS High Sierra 10.13.4, the fourth major update to the macOS High Sierra operating system available on Apple's Macs. macOS High Sierra 10.13.4 comes more than two months after the release of macOS High Sierra 10.13.3, which brought fixes for the Spectre vulnerability.

macOS High Sierra 10.13.4 can be downloaded directly from the Mac App Store or through the Software Update function in the Mac App Store on all compatible Macs that are already running macOS High Sierra.

macoshighsierra10134
macOS High Sierra 10.13.4 introduces bug fixes and performance improvements for issues that have been discovered since the release of macOS High Sierra 10.13.3. The update brings support for Business Chat, which will allow you to interface with businesses like Wells Fargo and Lowe's right in the Messages app, and it includes official support for external graphics processors (eGPUs).

There are also several other small bug fixes and tweaks, as listed in the release notes:

The macOS High Sierra 10.13.4 update improves the stability, performance, and security of your Mac, and it is recommended for all users. This update:

- Adds support for Business Chat conversations in Messages in the US
- Adds support for external graphics processors (eGPUs)
- Fixes graphics corruption issues affecting certain apps on iMac Pro
- Allows jumping to the right-most open tab using Command+9 in Safari
- Enables sorting Safari bookmarks by name or URL by right clicking and choosing "Sort by..."
- Fixes an issue that may prevent web link previews from appearing in Messages
- Helps protect privacy by only AutoFilling usernames and passwords after selecting them in a web form field in Safari
- Displays warnings in the Safari Smart Search Field when interacting with password or credit card forms on non-encrypted web pages
- Displays privacy icons and links to explain how your data will be used and protected when Apple features ask to use your personal information

For more detailed information about this update, please visit: https://support.apple.com/en-us/HT208533
For more detailed information about the security content of this update, please visit: https://support.apple.com/en-us/HT201222

The update also introduces the smoke cloud wallpaper that was previously only available on the iMac Pro and it introduces a warning when opening up a 32-bit app as part of an effort to phase them out.

In the future, Apple plans to phase out 32-bit Mac apps, just like it did with 32-bit iOS apps. Apple says macOS High Sierra is the last version of macOS that will support 32-bit apps "without compromises."

Related Forum: macOS High Sierra

Popular Stories

iPhone 17 Pro 34ths Perspective

iPhone 17 Pro Launching Later This Year With These 10 New Features

Sunday March 23, 2025 10:00 am PDT by
While the iPhone 17 Pro and iPhone 17 Pro Max are not expected to launch until September, there are already plenty of rumors about the devices. Below, we recap key changes rumored for the iPhone 17 Pro models as of March 2025: Aluminum frame: iPhone 17 Pro models are rumored to have an aluminum frame, whereas the iPhone 15 Pro and iPhone 16 Pro models have a titanium frame, and the iPhone ...
Generic iOS 18

iOS 18.4 Coming Soon With These New Features for Your iPhone

Tuesday March 25, 2025 6:45 am PDT by
Apple is expected to release iOS 18.4 to the general public as soon as next week, following more than a month of beta testing. Apple's website says some iOS 18.4 features will be released in "early April," so the update should be out as early as Tuesday, April 1. Apple this week seeded the iOS 18.4 Release Candidate, which is typically the final beta version, barring the discovery of any...
ios 19 messages app

Here's What Apple's iOS 19 Messages App Might Look Like

Tuesday March 25, 2025 11:52 am PDT by
Leaker Jon Prosser today shared a mockup of what he says the Messages app will look like in iOS 19, demoing an interface with rounded, translucent bubble-shaped navigation buttons at the top and softer, rounder corners for the keyboard and word suggestions. Jon Prosser's Messages app mockup The return button, a button for going back to the Messages list, and the FaceTime button have a deeper...
iCloud General Feature Redux

iPhone Users Who Pay for iCloud Storage Receive a New Perk

Thursday March 20, 2025 12:01 am PDT by
If you pay for iCloud storage on your iPhone, Apple has a new perk for you, at no additional cost. The new perk is the ability to create invitations in the Apple Invites app for the iPhone, which launched in the App Store last month. In the Apple Invites app, iCloud+ subscribers can create invitations for any occasion, such as birthday parties, graduations, baby showers, and more. Anyone ...
macbook pro blue green

When Will Apple Release the M5 MacBook Pro?

Wednesday March 26, 2025 4:53 pm PDT by
Apple regularly refreshes the MacBook Pro models, and a new version that uses M5 series chips is in the works. Apple just finished refreshing most of the Mac lineup with M4 chips, and now it's time for the M5. Rumors suggest that we could see the first M5 MacBook Pro models this fall. Design There have been no rumors of a design update for the M5 MacBook Pro models that are coming this...
airpods max 2024 colors

Don't Buy Into Apple's Hype About AirPods Max Gaining Lossless Audio

Monday March 24, 2025 4:24 pm PDT by
Apple today announced that AirPods Max with a USB-C port will be gaining support for lossless audio and ultra-low latency audio with a firmware update next month, alongside the release of iOS 18.4, iPadOS 18.4, and macOS 15.4. For context, audio files are typically compressed to keep file sizes smaller. There are lossy compression standards like MP3 and AAC (Advanced Audio Codec), which...
Apple Lumon Terminal Pro

Apple's Mac Site Features Fictional 'Lumon Terminal Pro'

Wednesday March 26, 2025 12:19 pm PDT by
Apple is going all out with promotions for the popular Severance Apple TV+ show today, and as of right now, you'll find a new "Lumon Terminal Pro" listed on Apple's Mac site. The Lumon Terminal Pro is designed to look similar to the machines that Severance employees like Mark S. and Helly R. use for macrodata refinement. The Terminal features a blue keyboard, a small display with wide...
Facebook Feature

Facebook's New iPhone App Feature Turns the Clock Back to 2007

Thursday March 27, 2025 1:59 pm PDT by
In the mid-to-late 2000s, Facebook was all about staying connected with friends and family. However, as the social media platform added new features and grew over time, that core experience began to get drowned out. That changes starting now, according to Meta, which today introduced a new feature that will "bring back the joy" of classic Facebook. Specifically, Meta has redesigned the...

Top Rated Comments

JesperA Avatar
91 months ago
Finally able to sort bookmarks in Safari, a small thing but been waiting for this since 2008 ;)
Score: 25 Votes (Like | Disagree)
superduperultra Avatar
91 months ago
No AirPlay 2 no Messages in iCloud, sad.
Score: 16 Votes (Like | Disagree)
bladerunner2000 Avatar
91 months ago
eGPU support is long overdue. Why is Apple always late to the game on these kinds of things?
Score: 16 Votes (Like | Disagree)
fastasleep Avatar
91 months ago
High Sietra sucks man,so many un-solved issues and it visibly slowed down my 12" Macbook.
Worst version of Mac OS ever.
I re-installed El Capitan which is the version my Mac was originally shipped with.
Much snappier now.
Everyone should consider remaining on the original version of the Mac OS their system wasshippedwith,specially 12" MacBook owners with m CPU.
I don't trust Apple or anyone else saying performance won't be slowed down at all.
Seeing (feeling) is believing.
Haha I'm not going to install Snow Leopard on my 2011 MBP. High Sierra runs great on this thing.
Score: 14 Votes (Like | Disagree)
ColdShadow Avatar
91 months ago
High Sietra sucks man,so many un-solved issues and it visibly slowed down my 12" Macbook.
Worst version of Mac OS ever.
I re-installed El Capitan which is the version my Mac was originally shipped with.
Much snappier now.
Everyone should consider remaining on the original version of the Mac OS their system wasshippedwith,specially 12" MacBook owners with m CPU.
I don't trust Apple or anyone else saying performance won't be slowed down at all.
Seeing (feeling) is believing.
Score: 11 Votes (Like | Disagree)
moabal Avatar
91 months ago
I first thought they were going to delay iMessage iCloud sync until the new High Sierra Version was released. I guess I was wrong. This sucks.
Score: 10 Votes (Like | Disagree)