Apple Seeds First Betas of macOS Sequoia 15.3 and More to Developers

Apple today provided developers with the first beta of an upcoming macOS Sequoia 15.3 update, with the new update coming a week after Apple released macOS Sequoia 15.2. Apple has also seeded new betas of watchOS 11.3, tvOS 18.3, and visionOS 2.3.

macOS Sequoia Feature
The betas are available to registered developers at this time, and can be downloaded from the settings app on each device.

We don't yet know what's included in the macOS Sequoia 15.3 update or the other updates, but we'll update this article should anything new be found after we download and install the new software.

Popular Stories

iPhone Air

Report: 'Virtually No Demand' for iPhone Air

Wednesday October 22, 2025 3:22 am PDT by
Apple is "drastically" cutting production of the iPhone Air and shifting focus toward the iPhone 17 and iPhone 17 Pro models, Nikkei Asia reports. The business publication claims to have learned of a major cut to iPhone Air production motivated by weaker-than-expected consumer interest, nearly to "end of production levels." Despite early reports of the iPhone Air selling out within hours of...
sam sung auction

Former Apple Employee Sam Sung Changed His Name to Avoid Attention

Wednesday October 22, 2025 4:44 pm PDT by
Back in 2012, an Apple retail employee named Sam Sung went viral because his name is similar to Samsung, one of Apple's main competitors. In a recent interview with Business Insider, he detailed that period in his life, how Apple responded, and he explained why he ultimately changed his name. Someone posted an image of Sung's Apple business card on Reddit in 2012, and it spread rapidly....
iOS 26

iOS 26.1 Coming Soon With These 8 New Features for Your iPhone

Wednesday October 22, 2025 6:15 am PDT by
The upcoming iOS 26.1 update includes a handful of new features and changes for iPhones, including a toggle for changing the appearance of the Liquid Glass design, "slide to stop" for alarms in the Clock app, and more. iOS 26.1 is currently in beta testing. The update will likely be released in the first half of November, and it is compatible with the iPhone 11 series and newer, but some...
cadillac lyric infotainment

GM to Remove CarPlay from All Future Vehicles, Including Gas Cars

Wednesday October 22, 2025 11:34 am PDT by
General Motors began phasing out support for CarPlay in its electric vehicles back in 2023, leading to complaints from iPhone users, but the company has no plans to back down. In fact, GM is going further and plans to remove CarPlay from all future gas vehicles, too. In an interview with The Verge, GM CEO Mary Barra said that the company opted to prioritize its platform for EVs, but the...
All Screen iPhone 2027 Feature 1

Apple's Plan to Launch Three New iPhone Designs Allegedly Revealed

Wednesday October 22, 2025 6:24 am PDT by
Apple plans to launch a new type of iPhone every year for the foreseeable future, according to an Asia-based source. The detailed information was shared by the account "yeux1122" in a blog post on the Korean platform Naver, citing domestic trend and component research companies. Corroborating other reports, Apple will apparently launch its first foldable iPhone in 2026, featuring a...
ios 26 1 liquid glass opaque

iOS 26.1 Beta 4 Lets Users Control Liquid Glass Transparency with New Toggle

Monday October 20, 2025 10:57 am PDT by
With the fourth betas of iOS 26.1, iPadOS 26.1, and macOS 26.1, Apple has introduced a new setting that's designed to allow users to customize the look of Liquid Glass. The toggle lets users select from a clear look for Liquid Glass, or a tinted look. Clear is the current Liquid Glass design, which is more transparent and shows the background underneath buttons, bars, and menus, while tinted ...
maxresdefault

Apple's iPhone Air Experiment Fails as Supply Chain Cuts Production by 80%

Wednesday October 22, 2025 10:48 am PDT by
iPhone Air demand failed to meet Apple's expectations and the company's supply chain is scaling back shipments and production, reports Apple analyst Ming-Chi Kuo. Subscribe to the MacRumors YouTube channel for more videos. Suppliers are expected to reduce capacity by more than 80 percent between now and the first quarter of 2026, and some components with longer lead times will be discontinued ...
All Screen iPhone 2027 Feature 1

Report: Apple to Skip 'iPhone 19' Name for 'iPhone 20'

Thursday October 23, 2025 4:28 am PDT by
Apple's new iPhone lineup launched in the fall of 2027 will be called the "iPhone 20" models, rather than the "iPhone 19," according to research firm Omdia. Speaking at a conference in Seoul (via ETNews), Omdia Chief Researcher Heo Moo-yeol corroborated rumors that Apple plans to move the launch of its standard iPhone to the first half of the year and provided some additional clarity about...
iOS 26

What's New in iOS 26.1 Beta 4

Monday October 20, 2025 1:02 pm PDT by
Even though we're at the fourth beta of iOS 26.1, Apple is continuing to add new features. In fact, the fourth beta has some of the biggest changes that we'll get when iOS 26.1 releases to the public later this month. We've rounded up what's new below. Liquid Glass Transparency Toggle Apple added a toggle for customizing the look of Liquid Glass. In Settings > Display and Brightness,...

Top Rated Comments

Zorn Avatar
11 months ago
Bummed that 15.3 doesn't include the new Mail categorization features
Score: 9 Votes (Like | Disagree)
Realityck Avatar
11 months ago
Note how the 15.2 RC's are using very close dates to even todays 15.3 beta Darwin Kernel

Comparison of MacOS 153 beta to previous MacOS 15.2 Public, RC2 and RC

macOS 15.3 beta (24D5034f)

* Safari Version 18.3 (20620.2.2)
* System Firmware Version: 11881.80.44 (AS based Macs)
* Darwin Kernel Version 24.3.0: Mon Dec 9 19:48:47 PST 2024; root:xnu-11215.80.25.501.2~1/RELEASE_ARM64_T8103 arm64

macOS 15.2 Public (24C101)

* Safari Version 18.2 (20620.1.16.11.8)
* System Firmware Version: 11881.61.3 (AS based Macs)
* Darwin Kernel Version 24.2.0: Fri Dec 6 18:40:14 PST 2024; root:xnu-11215.61.5~2/RELEASE_ARM64_T8103 arm64

macOS 15.2 RC2 (24C100)

* Safari Version 18.2 (20620.1.16.11.8)
* System Firmware Version: 11881.61.3 (AS based Macs)
* Darwin Kernel Version 24.2.0: Thu Dec 5 18:32:37 PST 2024; root:xnu-11215.61.4~2/RELEASE_ARM64_T8103 arm64

macOS 15.2 RC (24C98)

* Safari Version 18.2 (20620.1.16.11.8)
* System Firmware Version: 11881.61.3 (AS based Macs)
* Darwin Kernel Version 24.2.0: Fri Nov 15 19:28:45 PST 2024; root:xnu-11215.61.3~1/RELEASE_ARM64_T8103 arm64

Apple Music/TV is still 1.5.2.56 no change going to 15.3 beta
Score: 6 Votes (Like | Disagree)
Realityck Avatar
11 months ago
Released to devs
iOS 18.3 beta (22D5034e) - December 16, 2024
iPadOS 18.3 beta (22D5034e) - December 16, 2024
macOS 15.3 beta (24D5034f) - December 16, 2024
tvOS 18.3 beta (22K5534e) - December 16, 2024
visionOS 2.3 beta (22N5875e) - December 16, 2024
watchOS 11.3 beta (22S5534d) - December 16, 2024
Score: 6 Votes (Like | Disagree)
smartmiller Avatar
11 months ago
Genmojis are here on Mac!

Attachment Image
Score: 5 Votes (Like | Disagree)
tywebb13 Avatar
11 months ago

macOS 15.3 beta (24D5034)
sequoia 15.3 beta 1 build number 24D5034f

there is an f there too

i am downloading the ipsw

it has the f



EDIT: looks like Realityck corrected his post now. Good!

Attachment Image
Score: 3 Votes (Like | Disagree)
nortonandreev Avatar
11 months ago
The only thing I was expecting here was the Mail updates, but seems like no...
Score: 2 Votes (Like | Disagree)