Second Release Candidates for macOS Tahoe 26.7 and macOS Sequoia 15.8
Apple is rolling out second release candidates for macOS Tahoe 26.7 and macOS Sequoia 15.8, one week after the first RC for macOS 26.7 revealed several details.
By Dillip Chowdary • Aug 25, 2026 • Source: 9to5Mac
What happened
9to5Mac reports: Second Release Candidates for macOS Tahoe 26.7 and macOS Sequoia 15.8 now available. Apple is rolling out second release candidates for macOS Tahoe 26.7 and macOS Sequoia 15.8, one week after the first RC for macOS 26.7 revealed several details about upcoming products.

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How it works
Read the original coverage at 9to5Mac via the source link above for the complete details and primary quotes.
Who is affected
Cross-check release notes and official docs before changing production systems based on early reporting.
Developer Action Items
- ☐ Diff the official changelog for Apple / macOS 26.7 before you bump — APIs, defaults, and removed flags only.
- ☐ Install through the vendor's documented channel in staging; keep a one-command rollback and time-box the canary.
- ☐ Grep your repo for old flag names, lockfile pins, and plugin versions that the notes mark as breaking.
- ☐ Prefer the first patch cut over the day-zero tag unless you have a reason to be on the leading edge.
- ☐ If 9to5Mac did not name a region, plan, or SKU, screenshot the official availability line before you promise it to users.
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