Apple rolls out second Release Candidates for macOS Tahoe 26.7.1 and macOS Sequoia 15.8.1

Marcus Mendes· Sep 21, 2026 · 5:30 PM UTC ·2 min read · 0 reactions · 0 comments · 17 views

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TL;DR · WeSearch summary

Second RCs for macOS 26.7.1 and 15.8.1 now available Last week, Apple rolled out the first release candidates for macOS Tahoe 26.7.1 and macOS Sequoia 15.8.1. On that same day, the company released macOS 27.2 beta 1, instead of what most users and developers expected: macOS 27.1 beta 1 and its counterparts. The release build for macOS Tahoe 26.7.1 RC 2 is 25G313, while the build for macOS Sequoia 15.8.1’s second RC is 24H212.

Key facts

▪Second RCs for macOS 26.7.1 and 15.8.1 now available Last week, Apple rolled out the first release candidates for macOS Tahoe 26.7.1 and macOS Sequoia 15.8.1.
▪On that same day, the company released macOS 27.2 beta 1, instead of what most users and developers expected: macOS 27.1 beta 1 and its counterparts.
▪The release build for macOS Tahoe 26.7.1 RC 2 is 25G313, while the build for macOS Sequoia 15.8.1’s second RC is 24H212.

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Original publisher	9to5Mac
Canonical URL	https://9to5mac.com/2026/09/21/apple-rolls-out-second-release-candidates-for-macos-tahoe-26-7-1-and-macos-sequoia-15-8-1/
Publication time	Mon, 21 Sep 2026 17:30:14 +0000
Retrieval time	2026-09-21T17:33:48.967Z
Last seen	2026-09-21T17:33:48.967Z
Headline source	Publisher (no WeSearch rewrite)
Excerpt source	publisher body
Excerpt method	First ~120 words (~800 chars) of extracted publisher body, fair-use limited.
Summary	WeSearch · cerebras-chat (WeSearch summarizer)
Summary source text	contentText
Citation coverage	Summary is a WeSearch-generated derivative; primary citation is the original publisher URL.
Cluster	vSAz5GbDrgEt · 1 stories
Cluster logic	Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
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Publisher visit	Yes — open original
Substitutes article?	No — link-out required for full text

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Commercial reuse	May the content be reused commercially?	Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Open original publisher → Source rights JSON → Machine-readable provenance → Rights framework → WESEARCH-STORY-PROVENANCE-V1

Opening excerpt (first ~120 words) tap to expand

// Make sure that nineto5ads exists, it will load ad once google tag exists window.nineto5ads = window.nineto5ads|| []; if (typeof adSizes === 'undefined') { var adSizes = {"leaderboard":{"mobile":[[320,50],[320,100]],"tablet":[[728,90],[320,100]],"desktop":[[970,250],[728,90],[970,70],[970,90]]},"sidebar":{"mobile":[300,250],"desktop":[[300,600],[300,250]]}}; } function getLeaderboardApstagSlotsSizes() { if ( window.innerWidth < 768 ) { return adSizes.leaderboard.mobile; } else if ( window.innerWidth < 1024 ) { return adSizes.leaderboard.tablet; } else { return adSizes.leaderboard.desktop; } } window.nineto5ads.push(function() { apstag.fetchBids({ slots: [{ slotID: "div-gpt-ad-1436850350386-0", slotName: "\/1049447\/9to5mac-Top", sizes: getLeaderboardApstagSlotsSizes() }], timeout: 2e3…

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