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Release record

macOS 26.6

Full article
Public release
Recorded milestones
7
Beta cycle
62d
Average interval
10d
Public release
Jul 27, 2026

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

macOS Tahoe 26.6 was the final planned point release, combining Spotlight preparation with a storage-format deprecation and fixes spanning compatibility notices, Health, Messages, enterprise identity, managed apps, and security.[1][2][3]

Apple’s live developer notes contained approximately four topic areas and four listed items when reviewed on July 29, 2026; those counts may change.[4]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. What’s New for Enterprise in macOS Tahoe 26

    Apple Support · 2026-07-29 · macOS Tahoe 26.6 enterprise changes

    Back to text ↑
  2. What's new in the updates for macOS Tahoe 26

    Apple Support · Apple · 2026-07-29 · macOS Tahoe 26.6

    Back to text ↑
  3. macOS Tahoe 26.6 Release Notes

    Apple Developer · 2026-07-29 · Overview

    Back to text ↑
  5. macOS 26.6 (25G72)

    Apple Developer · 2026-07-29 · Release title and build

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

bugFix · fixed

False Intel-only compatibility notice fix

documentedconfirmed

The RC corrected compatibility notices that blamed a host application when a system plug-in loader was the component loading x86 code.

Recorded at RC

  1. [1] macOS Tahoe 26.6 Release Notes · Ecosystem — Resolved Issues

bugFix · fixed

HDR screenshot delivery in Messages

documentedconfirmed

The RC notes identify a fix for HDR screenshots becoming garbled when sent through Messages.

Recorded at RC

  1. [1] macOS Tahoe 26.6 Release Notes · Messages — Resolved Issues

removal · changed

Encrypted HFS+ CoreStorage deprecation

documentedconfirmed

The RC notes deprecate encrypted HFS+ through CoreStorage, identify macOS 28 as the planned support boundary, and direct external backups toward encrypted APFS.

Recorded at RC

  1. [1] macOS Tahoe 26.6 Release Notes · CoreStorage — Deprecations

bugFix · fixed

Overlapping-sample HealthKit average fix

documentedconfirmed

The RC corrected erroneously high temporally weighted averages for discrete quantities when samples overlap in time.

Recorded at RC

  1. [1] macOS Tahoe 26.6 Release Notes · HealthKit — Resolved Issues

bugFix · fixed

False Intel-only compatibility notice fix

documentedconfirmed

The release corrected false Intel-only warnings caused by system plug-in loaders such as color-picker or print-dialog extensions.

Recorded at Public

  1. [1] macOS Tahoe 26.6 Release Notes · Ecosystem — Resolved Issues

enhancement · changed

Spotlight preparation for macOS 27

documentedconfirmed

macOS 26.6 included preparation work for Spotlight behavior in macOS 27 rather than a separately exposed user feature.

Recorded at Public

  1. [1] What's new in the updates for macOS Tahoe 26 · macOS Tahoe 26.6

removal · changed

Encrypted HFS+ CoreStorage deprecation

documentedconfirmed

Apple advised moving encrypted HFS+ backups to encrypted APFS because CoreStorage support is planned to end in macOS 28.

Recorded at Public

  1. [1] macOS Tahoe 26.6 Release Notes · CoreStorage — Deprecations

bugFix · fixed

Overlapping-sample HealthKit average fix

documentedconfirmed

A HealthKit calculation error that could produce unusually high weighted averages for overlapping samples was corrected.

Recorded at Public

  1. [1] macOS Tahoe 26.6 Release Notes · HealthKit — Resolved Issues

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

  2. +20 days
  3. +14 days
  4. +7 days
  5. +7 days
  6. +7 days

    Release candidate

    RC

    Full articleEditorially verified

    Apple's macOS 26.6 RC-specific developer note documents the encrypted-HFS+ deprecation and fixes for compatibility notices, HealthKit statistics, and HDR screenshots in Messages, without assigning public-only, build-specific, or earlier-beta material to this route.

    Availability
    available
    Sources
    6 linked
    Open this appearance
  7. +7 days

    Public release

    Public

    Source-linked recordEditorially verified

    The public macOS Tahoe 26.6 release closed the planned cycle with Spotlight preparation, storage deprecation guidance, and health, messaging, compatibility, and enterprise fixes.

    Build
    25G72
    Availability
    available
    Sources
    9 linked
    Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .6 releases

244 days, 3.5 milestones

Based on 2 previous macOS .6 releases

Cycle vs. platform average

62d (avg: 105d)

43 days shorter than the macOS average

Longest gap in this cycle

20 days

Between Beta 1 and Beta 2

Previous .6 releases (macOS)

Previous comparable macOS releases
VersionYearCycleMilestonesAvg. Interval
macOS 15.6202543d511d
macOS 10.62009445d2445d

Scroll horizontally to compare every historical field.

Official release notes