Apple has released the second Release Candidates for macOS Tahoe 26.7.1 and macOS Sequoia 15.8.1, arriving less than a week after the first RCs. These updates provide important security fixes and are recommended for all users. The build number for macOS Tahoe 26.7.1 RC 2 is 25G313, while macOS Sequoia 15.8.1 RC 2 carries build 24H212.

This follows Apple's recent rollout of the first RCs and comes shortly after the release of macOS 27.2 beta 1, which introduced multilingual support for Siri AI. Details on specific security patches are expected to be published by Apple once the updates are officially launched in the coming weeks. Users are encouraged to check for updates via the Software Update feature in System Settings.