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Apple ships sixth RC for macOS Sonoma and Sequoia

Apple is rolling out a sixth release candidate for macOS Sonoma 14.8.8 and macOS Sequoia 15.7.8, with security fixes likely the focus.

Image: 9to5Mac

Apple is now rolling out a sixth release candidate for both macOS Sonoma 14.8.8 and macOS Sequoia 15.7.8 — an unusually long RC cycle even by Apple standards.

According to 9to5Mac, the new builds are now available to both developers and public beta testers. Apple has not shared any specific notes beyond its standard line that the updates include “important security fixes and is recommended for all users.”

The timing suggests security is the main story here. Apple recently shipped iOS, iPadOS, and macOS 26.5.2 with fixes that had originally been planned for version 26.6, moving them up because of risks tied to new AI-powered tools.

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Today’s release candidate build numbers are:

  • macOS Sonoma 14.8.8: 23J619
  • macOS Sequoia 15.7.8: 24G822

Apple has not yet detailed what changed between the earlier release candidates and this sixth round. For now, the company is still pointing users to its broader security release documentation rather than publishing update-specific details.

Tomas Berg

Computing Editor

Tomas lives in the terminal. He covers chips, laptops, and operating systems with a focus on performance and efficiency. He reads kernel changelogs the way other people read fiction, and he's always on the hunt for the perfect mechanical keyboard switch. If it processes data, Tomas has an opinion on it.

via 9to5Mac

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