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Apple Seeds Fourth macOS High Sierra 10.13.1 Beta to Developers [Update: Public Beta Available]

Apple today seeded the fourth beta of an upcoming macOS High Sierra update to developers, less than a week after releasing the third macOS High Sierra 10.13.1 beta and a month after releasing the new High Sierra operating system to the public.

The fourth macOS High Sierra 10.13.1 beta can be downloaded from the Apple Developer Center or through the Software Update mechanism in the Mac App Store with the proper profile installed.


macOS High Sierra 10.13.1 focuses primarily on bug fixes, performance improvements, security enhancements, and other under-the-hood changes.

It includes a fix for a serious vulnerability in the WPA2 Wi-Fi standard that protects many modern Wi-Fi networks. Using a key reinstallation attack or "KRACK," attackers can exploit weaknesses in the WPA2 protocol to decrypt network traffic to sniff out sensitive information. This attack is not possible with the patch in macOS 10.13.1.

The update also introduces a range of new Unicode 10 emoji like crazy face, pie, pretzel, t-rex, vampire, exploding head, face vomiting, shushing face, love you gesture, brain, scarf, zebra, giraffe, fortune cookie, pie, hedgehog, and more. The new emoji are also available in iOS 11.1 and watchOS 4.1.

macOS High Sierra is a major update that introduces APFS, a new more modern file system, HEIF and HEVC photo and video encoding improvements for smaller file sizes without compromising quality, Metal 2, and several new features for Safari, like autoplay blocking for videos and Intelligent Tracking Prevention to better protect user privacy.

For more on what's new in macOS High Sierra, make sure to check out our macOS High Sierra roundup.

Update: There's a new public beta of macOS High Sierra 10.3.1 available for public beta testers.

Related Roundup: macOS High Sierra


Top Rated Comments

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12 months ago
Another Emoji-lovefest by Apple. I would rather they spent their time fixing the many bugs instead!
Rating: 16 Votes
12 months ago

Another Emoji-lovefest by Apple. I would rather they spent their time fixing the many bugs instead!


It’s not either-or. It’s not like their emoji artists can fix bugs.
Rating: 7 Votes
12 months ago

My iPhone just got the fifth beta lol 4th came out yesterday or so

Great, you have an iPhone that runs macOS, thats awesome dude
Rating: 6 Votes
12 months ago

Been having a major issue that I reported directly to a senior leader of the software team. Whenever I wake up my MBP from sleep (with password authenticated access enabled), it jumps immediately to the desktop.


I have this as well on the GM of 10.13. Absolutely, utterly shocking. I have an encrypted drive and a firmware password but this makes all that pointless, might as well have no security at all.

I reported it in the bug reporter but of course that's just a black hole so I had no idea if it was seen or not.

I'm going to try this beta and see if it's fixed... but the fact that this is in the current 10.13.0 public build on millions of Macs is shameful. Apple should be raked across the coals for this one.
Rating: 3 Votes
12 months ago

I don’t believe so... well at least it didn’t show up for me. Can someone else here please confirm?

It was a full install. It WILL NOT show up as an update. You need to reinstall the beta profile and then it will pop up in the app store as a full install.

I think I may have typed this 100 times.
Rating: 2 Votes
12 months ago

If you were having trouble installing the new High Sierra beta, don't bother.

It deleted all my server settings as in passwords. Cannot send ANY MAIL!
Good job Timmy!

More bug reports I guess. Of course, I'll have to manually remember and put in all the Outgoing Server settings.

UGH! :(

I posted in bold because this same thing has been happening going back to Mavericks!

How does Apple keep doing the same mistakes for that many years? It's just unbelievable.

Sorry to hear about your installation woes. In my case it's been a smooth and trouble free experience on both a 2011 MacBook Pro 17" (SSD) and a 2017 MacBook Pro 15". I had some wake from sleep issues on the 2011 MacBook Pro but they were resolved since the GM was released. Yesterday's 17B45a release is running very smoothly and error free on both laptops.
Rating: 2 Votes
12 months ago

It was a full install. It WILL NOT show up as an update. You need to reinstall the beta profile and then it will pop up in the app store as a full install.

I think I may have typed this 100 times.


Showed up as an update for me, in the updates tab of the App Store.......
Rating: 1 Votes
12 months ago

Great, you have an iPhone that runs macOS, thats awesome dude

Best of all, it just works.
Rating: 1 Votes
12 months ago

Another Emoji-lovefest by Apple. I would rather they spent their time fixing the many bugs instead!


They are
Rating: 1 Votes
12 months ago

Beta 3 & 4 have both shown up as updates in the App Store for me, definitely not a full install.


Find that hard to believe, beta 3 was a 5 + GB download.
I am not calling you a liar, just that all posters here said it was a 5 GB full install except you.
Rating: 1 Votes

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