Apple Seeds Second Beta of macOS High Sierra 10.13.3 to Developers

Apple today seeded the second beta of an upcoming macOS High Sierra 10.13.3 update to developers, one week after seeding the first beta and almost two weeks after releasing macOS High Sierra 10.13.2, the second major update to the macOS High Sierra operating system.

The macOS High Sierra 10.13.3 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.

macoshighsierra10133beta
It's not yet clear what improvements the third update to macOS High Sierra will bring, but it's likely to include bug fixes and performance improvements for issues that weren't addressed in macOS High Sierra 10.13.2.

No major outward-facing changes were discovered in the first beta of macOS High Sierra 10.13.3, but we'll update this post should new features be found in the second beta.

The previous macOS High Sierra 10.13.2 update focused solely on security fixes and performance improvements, with no new features introduced.

Related Forum: macOS High Sierra

Top Rated Comments

dan9700 Avatar
65 months ago
Release notes.

https://forums.macrumors.com/attachments/macos_10-13-3_beta_2_release_notes-pdf.742556/
doesn't say anything, just one known issues nothing whats been changed
Score: 3 Votes (Like | Disagree)
Ritsuka Avatar
65 months ago
I could be wrong, but I recall the dark mode being more gray and translucent in prior versions.
It seems you have "Reduce transparency" on.
Score: 3 Votes (Like | Disagree)
FrancoisC Avatar
65 months ago
Bring AFPS support for external booting disks and Time Machine disks.
I’m booting an external APFS formatted SSD (in an usb 3.0 enclosure) on my mac mini 2012?

There IS a delay when booting from it (black screen for a little while) but it work.

On what machine is it not working for you?

Edit: Forgot to mention; this is on 10.3.2, not the beta.
Score: 3 Votes (Like | Disagree)
justperry Avatar
65 months ago
How about month 13 out of bounds in console, has that been fixed?

Apparently not seeing those any more.
Yup, fixed.
Score: 2 Votes (Like | Disagree)
iapplelove Avatar
65 months ago
Photos STILL crashing?
Mine is, as well as iTunes when I sync and backup devices.
Score: 2 Votes (Like | Disagree)
HowieIsaacks Avatar
65 months ago
Photos STILL crashing?
You ask this as if EVERYONE has this problem. It doesn’t happen on either of my Macs. Why don’t you call AppleCare?
Score: 1 Votes (Like | Disagree)

Popular Stories

iphone 14 pro hands snowflakes 1

Best Black Friday iPhone Deals Still Available

Wednesday November 23, 2022 1:55 pm PST by
Cellular carriers have always offered big savings on the newest iPhone models during the holidays, and Black Friday 2022 is no different. Right now we're tracking notable offers on the iPhone 14 and iPhone 14 Pro devices from AT&T, Verizon, and T-Mobile. For even more savings, keep an eye on older models like the iPhone 13. Note: MacRumors is an affiliate partner with some of these vendors....
apple watch gold ornaments

Best Black Friday Apple Watch Deals Still Available

Wednesday November 23, 2022 9:31 am PST by
We're tracking all of the best Apple product discounts for Black Friday this week, and the Apple Watch always makes a great gift around the holiday season, so you're guaranteed to find solid discounts right now. In this article, you'll discover the best Black Friday sales on Apple Watch Series 8, Apple Watch SE, and Apple Watch Ultra. Note: MacRumors is an affiliate partner with some of these...
new airpods lineup black friday

Best Black Friday AirPods Deals Still Available

Tuesday November 22, 2022 10:01 am PST by
Although we've been tracking Black Friday deals for a few weeks now, the shopping holiday is officially kicking off this week and we're highlighting the best sales for each of Apple's product lines. In this article, you'll find the best Black Friday sales on AirPods 2, AirPods 3, AirPods Pro, AirPods Pro 2, and AirPods Max. Note: MacRumors is an affiliate partner with some of these vendors....
ipad holiday bulbs

Best Black Friday iPad Deals Still Available

Thursday November 24, 2022 12:25 pm PST by
Black Friday deals have been in full swing for the better part of a month, and now that the shopping holiday is officially here we're seeing even more solid discounts on Apple devices. We're highlighting the best sales for all of Apple's product lines, and in this article you'll find the best Black Friday sales on iPad, iPad Pro, iPad Air, and iPad mini. Note: MacRumors is an affiliate partner ...
mac imac snowflakes

Best Black Friday iMac and MacBook Deals Still Available

Thursday November 24, 2022 1:07 pm PST by
Our Black Friday coverage continues today with the best deals you can find on MacBook Pro, MacBook Air, and iMac. As with all Black Friday deals, we aren't sure how long any of these will last, and prices are always fluctuating, so if you see something you want, be sure to buy it soon. Note: MacRumors is an affiliate partner with some of these vendors. When you click a link and make a...
General Black Friday Deals 2022 Green

All the Apple Black Friday Deals You Can Still Get

Friday November 25, 2022 4:40 am PST by
Black Friday is winding down for 2022, but many Apple products are still seeing major discounts. In this article, you'll find every Apple device with a notable Black Friday sale. We'll be updating as prices change and new deals arrive, so be sure to keep an eye out if you don't see the sale you're looking for yet. Note: MacRumors is an affiliate partner with some of these vendors. When you...
General Black Friday Deals 2022 Blue

All the Apple Black Friday Deals You Can Get Right Now: AirPods, Apple TV, Mac, iPad, and More

Saturday November 19, 2022 8:00 am PST by
Last week was jam-packed with early Black Friday deals, and now that the shopping holiday is right around the corner, we're going back through all of the best sales you might have missed over the past week and updating as prices change and new deals arrive. As with all holiday shopping, there's no guarantee that better prices won't come around later in the season, but if you want to shop early,...
Best Buy November Deals Hero

Best Buy Reveals Black Friday Plans With Sitewide Sales Available Now

Tuesday November 22, 2022 3:49 pm PST by
Following in the footsteps of Target and Walmart, Best Buy this week detailed its plans for the Black Friday shopping holiday and its schedule looks a lot like other retailers. In terms of sales, Best Buy has the expected list of TVs, appliances, video games, computers, streaming devices, and more. Note: MacRumors is an affiliate partner with Best Buy. When you click a link and make a...