Apple Seeds Second Beta of macOS Sonoma 14.3 to Developers - MacRumors
Skip to Content

Apple Seeds Second Beta of macOS Sonoma 14.3 to Developers

Apple today seeded the second beta of an upcoming macOS Sonoma 14.3 update to developers for testing purposes, with the software coming three weeks after the release of the first macOS Sonoma 14.3 beta.

sonoma desktop wwdc
Registered developers can opt-in to the beta through the Software Update section of the System Settings app. Under Beta updates, toggle on the macOS Sonoma Developer Beta. Note that an Apple ID associated with an Apple Developer account is required to get the beta.

We don't yet know what features are included in macOS Sonoma 14.3, and there were no notable changes discovered in the first beta.

Related Forum: macOS Sonoma

Popular Stories

iOS 26

iOS 26.4 Adds Two New Features to CarPlay

Tuesday March 24, 2026 1:55 pm PDT by
iOS 26.4 was released today, and it includes a couple of new features for CarPlay: an Ambient Music widget and support for voice-based chatbot apps. To update your iPhone 11 or newer to iOS 26.4, open the Settings app and tap on General → Software Update. CarPlay will automatically offer the new features so long as the iPhone connected to your vehicle is running iOS 26.4 or later....
Apple Business hero

Apple Unveils 'Apple Business' All-in-One Platform

Tuesday March 24, 2026 8:53 am PDT by
Apple today announced Apple Business, a new all-in-one platform that unifies device management, productivity tools, and customer outreach features. The service is designed to be a consolidated replacement for several of Apple's existing business-focused offerings, including Apple Business Essentials, Apple Business Manager, and Apple Business Connect. It provides organizations with a single...
AirPods Pro Firmware Feature

Apple Releases New Firmware for AirPods Pro 3, AirPods Pro 2 and AirPods 4

Tuesday March 24, 2026 12:31 pm PDT by
Apple today released new firmware for the AirPods Pro 2, AirPods Pro 3, and the AirPods 4. The firmware has a version number of 8B39, up from 8B34 on the AirPods Pro 3, 8B28 on the AirPods Pro 2, and 8B21 on the AirPods 4. There is no word on what's included in the firmware, but Apple has a support document with limited notes. Most updates are limited to bug fixes and performance...

Top Rated Comments

Realityck Avatar
29 months ago
OTA is available, AS Mac 1.73 GBB download

Released Today to devs

* iOS 17.3 beta 2 (21D5036c) - January 3, 2024
* iPadOS 17.3 beta 2 (21D5036c) - January 3, 2024
* macOS 14.3 beta 2 (23D5043d) - January 3, 2024
* watchOS 10.3 beta 2 (21S5635d) - January 3, 2024
* tvOS 17.3 beta 2 (21K5635c) - January 3, 2024

The public release has moved up now, should be Jan 15th or Jan 16th. Expecting just a RC after this beta 2.
Score: 5 Votes (Like | Disagree)
29 months ago
There is also

macOS Ventura 13.6.4 RC 2 build 22G507

macOS Monterey 12.7.3 RC 2 build 21H1009
Score: 4 Votes (Like | Disagree)
Realityck Avatar
29 months ago
Comparison of 14.3 beta2 to previous 14.3 beta

macOS 14.3 beta 2 (23D5043d))

* Safari Version 17.3 (19617.2.3)
* System Firmware Version: 10151.80.20 (M1 based Macs)
* Darwin Kernel Version 23.3.0: Tue Dec 19 20:56:38 PST 2023; root:xnu-10002.80.20.505.4~2/RELEASE_ARM64_T8103 arm64

macOS 14.3 beta (23D5033f))

* Safari Version 17.3 (19617.2.1.11.3)
* System Firmware Version: 10151.80.6 (M1 based Macs)
* Darwin Kernel Version 23.3.0: Fri Dec 1 03:16:57 PST 2023; root:xnu-10002.80.11~58/RELEASE_ARM64_T8103 arm64
Score: 4 Votes (Like | Disagree)
Mac mini power user Avatar
29 months ago
Beta 2 seems to be running more smoothly and drain the battery less than beta 1 (which wasn't especially buggy) on my M1 Pro 14-inch MacBook Pro. Feature-wise, there's almost no reason to upgrade.
Score: 3 Votes (Like | Disagree)
Realityck Avatar
29 months ago
Speaking of scroller, Apple TV movie playback timepoints scroller is working correctly now.
Score: 3 Votes (Like | Disagree)
29 months ago
The day Apple details all their bug fixes Like Microsoft always does. I will be happy.
Score: 2 Votes (Like | Disagree)