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.

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Top Rated Comments

Zorn Avatar
12 months ago
Bummed that 15.3 doesn't include the new Mail categorization features
Score: 9 Votes (Like | Disagree)
Realityck Avatar
12 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
12 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
12 months ago
Genmojis are here on Mac!

Attachment Image
Score: 5 Votes (Like | Disagree)
tywebb13 Avatar
12 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
12 months ago
The only thing I was expecting here was the Mail updates, but seems like no...
Score: 2 Votes (Like | Disagree)