Apple Seeds Third Beta of macOS Sierra to Developers

Apple today seeded the third beta of macOS Sierra, the newest operating system designed for the Mac, to developers. macOS Sierra beta 3 comes two weeks after the release of the second beta and more than a month after the software was first unveiled at Apple's 2016 Worldwide Developers Conference.

The update can be downloaded through the software update mechanism in the Mac App Store or through the Apple Developer Center.

macossierraroundup
macOS Sierra is a major update that brings Siri to the Mac for the first time, allowing users to conduct voice searches to quickly find files, look up information, and more. New Continuity features offer an "Auto Unlock" option for unlocking a Mac with an Apple Watch, which became available in beta 2, and a Universal Clipboard for copying something on one Apple device and pasting it on another.

Deeper iCloud integration makes files stored on the desktop or the Documents folder of a Mac available on all of a user's devices, and Photos features new deep learning algorithms for facial, object, and scene recognition. There's a new Memories feature for displaying photo collections, and Messages has features like rich links, bigger emoji, and "Tapback" response options.

Apple Pay is coming to the web in macOS Sierra, with payments authenticated through an iPhone or Apple Watch, and new features like multiple tabs, Picture in Picture multitasking, and optimized storage are available.


During the beta testing period, Apple will tweak and refine the features introduced in macOS Sierra. Any changes found in the third beta release will be listed below.

macOS Sierra is currently available to developers and public beta testers, and it will see a wider public release this fall. For full details on all of the new features included in macOS Sierra, make sure to check out our macOS Sierra roundup.

Related Forum: macOS Sierra

Popular Stories

iphone 16 pro ghost hand

5 Reasons to Skip This Year's iPhone 17 Pro

Thursday July 10, 2025 4:54 am PDT by
Apple will launch its new iPhone 17 series in two months, and the iPhone 17 Pro models are expected to get a new design for the rear casing and the camera area. But more significant changes to the lineup are not expected until next year, when the iPhone 18 models arrive. If you're thinking of trading in your iPhone for this year's latest, consider the following features rumored to be coming...
apple wallet drivers license feature iPhone 15 pro

Apple Says iPhone Driver's Licenses Will Expand to These 8 U.S. States

Tuesday July 8, 2025 11:26 am PDT by
In select U.S. states, residents can add their driver's license or state ID to the Wallet app on the iPhone and Apple Watch, providing a convenient and contactless way to display proof of identity or age at select airports and businesses, and in select apps. Unfortunately, this feature continues to roll out very slowly since it was announced in 2021, with only nine U.S. states, Puerto Rico,...
iPhone 17 Pro in Hand Feature Lowgo

iPhone 17 Pro to Reverse iPhone X Design Decision

Monday July 7, 2025 9:46 am PDT by
Since the iPhone X in 2017, all of Apple's highest-end iPhone models have featured either stainless steel or titanium frames, but it has now been rumored that this design decision will be coming to an end with the iPhone 17 Pro models later this year. In a post on Chinese social media platform Weibo today, the account Instant Digital said that the iPhone 17 Pro models will have an aluminum...
iPhone 17 Pro in Hand Feature Lowgo

Leaker Reveals Amount of RAM in iPhone 17 Through iPhone 17 Pro Max

Wednesday July 9, 2025 8:08 am PDT by
Three out of four iPhone 17 models will feature more RAM than the equivalent iPhone 16 models, according to a new leak that aligns with previous rumors. The all-new iPhone 17 Air, the iPhone 17 Pro, and the iPhone 17 Pro Max will each be equipped with 12GB of RAM, according to Fixed Focus Digital, an account with more than two million followers on Chinese social media platform Weibo. The...
apple account card feature

Apple Account Card Expanding to More Countries

Tuesday July 8, 2025 7:34 pm PDT by
Apple is expanding the ability to add an Apple Account Card to the Wallet app to more countries, according to backend Apple Pay changes. With iOS 15.5, Apple updated the Wallet app to allow users to add an Apple Account Card, which displays the Apple credit balance associated with an Apple ID. If you receive an Apple gift card, for example, it is added to an Apple Account that is also...
macbook pro blue green

M5 MacBook Pro No Longer Coming in 2025

Thursday July 10, 2025 12:38 pm PDT by
Apple does not plan to refresh any Macs with updated M5 chips in 2025, according to Bloomberg's Mark Gurman. Updated MacBook Air and MacBook Pro models are now planned for the first half of 2026. Gurman previously said that Apple would debut the M5 MacBook Pro models in late 2025, but his newest report suggests that Apple is "considering" pushing them back to 2026. Apple is now said to be...
iOS 26 Feature

Everything New in iOS 26 Beta 3

Monday July 7, 2025 1:20 pm PDT by
Apple is continuing to refine and update iOS 26, and beta three features smaller changes than we saw in beta 2, plus further tweaks to the Liquid Glass design. Apple is gearing up for the next phase of beta testing, and the company has promised that a public beta is set to come out in July. Transparency In some apps like Apple Music, Podcasts, and the App Store, Apple has toned down the...
iCloud General Feature Redux

iPhone Users Who Pay for iCloud Storage Receive These Five Perks

Wednesday July 9, 2025 9:20 am PDT by
If you pay for iCloud storage on your iPhone, did you know that Apple offers you five perks beyond the extra storage space, at no additional cost? Here are the perks included with all iCloud+ plans:Private Relay keeps your Safari browsing history entirely private from network providers, websites, and even Apple. Hide My Email generates unique, random email addresses whenever needed. Hom...

Top Rated Comments

n8cousins Avatar
117 months ago
YET STILL NO FIX FOR MACBOOK PRO BECOMING UNRESPONSIVE FOR ABOUT 2 MINUTES AFTER IT BOOTS UP AND SHOWS THE DESKTOP
Say it, don't spray it buddy.
Score: 11 Votes (Like | Disagree)
WildCowboy Avatar
117 months ago
For real this time...we promise. ;)
Score: 7 Votes (Like | Disagree)
blacktape242 Avatar
117 months ago
Pokemon GO desktop version in this one??? I CANT WAIT !!!!
Score: 4 Votes (Like | Disagree)
vatter69 Avatar
117 months ago
Seems caps lock is broken as well.

YET STILL NO FIX FOR MACBOOK PRO BECOMING UNRESPONSIVE FOR ABOUT 2 MINUTES AFTER IT BOOTS UP AND SHOWS THE DESKTOP
Score: 4 Votes (Like | Disagree)
Erdbeertorte Avatar
117 months ago
Just why would you name your startup disks a bunch of heart emoji variations..?
Because I like hearts and it's unique. :D

I never had any problem with it. Only in some cases it's shown as question marks or grey hearts. I think in the boot menu when you hold option/alt on startup they are just grey. Even the Terminal is able to display them correctly:



Attachment Image
Score: 3 Votes (Like | Disagree)
SoyCapitanSoyCapitan Avatar
117 months ago
Still have to force quit Chrome to quit the app.
Score: 2 Votes (Like | Disagree)