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Third RCs for macOS Sonoma 14.8.8 and macOS Sequoia 15.7.8 now available [U: Public]

Update, June 30: The public RCs are now available as well.

In addition to several betas released today, Apple is also rolling out new release candidates for macOS Sonoma 14.8.8 and macOS Sequoia 15.7.8. Here are the details.

A rare third RC rollout ahead of the official update

Developers can now install the third release candidates for macOS Sonoma 14.8.8, and macOS Sequoia 15.7.8.

The first release candidate for macOS Sonoma 14.8.8 arrived on May 26 with build 23J604, followed by a second on June 15 with build 23J607. Today’s RC carries build number 23J610.

As for macOS Sequoia 15.7.8, the release candidates followed the same schedule: build 24G806 was released on May 26, and build 24G809 rolled out on June 15. Today’s build is 24G812.

For both systems, Apple’s release notes currently mention only:

This update provides important security fixes and is recommended for all users.

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/100100

The company has yet to update its security releases page, but we will keep an eye out and report back when more details become available.

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Avatar for Marcus Mendes Marcus Mendes

Marcus Mendes is a Brazilian tech podcaster and journalist who has been closely following Apple since the mid-2000s.

He began covering Apple news in Brazilian media in 2012 and later broadened his focus to the wider tech industry, hosting a daily podcast for seven years.