Apple has rolled out the second release candidates for macOS Tahoe 26.7 and macOS Sequoia 15.8. These builds land about a week after the first macOS 26.7 RC, which leaked details around upcoming hardware—including AirPods with integrated cameras—following a video and technical discovery.
What’s New in Tahoe 26.7 & Sequoia 15.8 RC 2
The new macOS Tahoe 26.7 RC 2 is identified by build number 25G224, while Sequoia 15.8 RC 2 uses build 24H20.
Though last week’s leaks hinted at products like AirPods with cameras and visual intelligence features surfacing in the code, macOS 26.7 seems to be wrapping up major development ahead of macOS 27 Golden Gate’s launch in the coming weeks. Changes across Tahoe appear modest at this stage—largely polish and system updates rather than sweeping new features.
Sequoia 15.8, on the other hand, is shaping up to deliver vital security patches. Some of these fixes may also be integrated into Tahoe 26.7. This update is more about stability and protection than visible user-facing improvements.
Looking Ahead
Alongside these RC updates, Apple has also released macOS 27 Golden Gate developer beta 7; a public beta for the new version is likely on the horizon.
As macOS 26’s major development phase winds down, the focus is clearly shifting toward getting macOS 27 ready for a full rollout. These newer release candidates signal that the transition is nearly complete.
Build Details: Tahoe 26.7 RC 2 is build 25G224; Sequoia 15.8 RC 2 is build 24H20.
Did anything new stand out in these release candidates? Feedback and discoveries from early users will be key to spotting hidden changes before the final versions ship.
Analytical note: These second RCs mark the tail end of feature development for macOS 26, suggesting Apple is prioritizing stability, security, and compatibility ahead of macOS 27. With unlikely major UI shifts in these builds, any surprises will probably come from behind the scenes—security patches, bug fixes, or hardware support. Users should test cautiously but keep an eye out for tweaks in audio, Bluetooth, or performance that often slip through release candidates. Sequoia’s focus on security may also hint at vulnerabilities that could impact older systems if not addressed properly.