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macOS 27.0 26A5388G

macOS Golden Gate 27 Beta 4 build released July 20, 2026.

Source-linked record
available

Build identity

Release facts

Build number
26A5388G
Version
macOS 27.0
Appearances
2
Scope
General

Channel history

Recorded appearances

A build can appear in more than one channel. These entries stay separate instead of being collapsed.

  1. Beta 4

    Developer beta

    Appearance

  2. Public Beta 2

    Public beta

    Appearance

Build evidence

Build sources

These sources support the build identity, appearances, or availability. A researched release-notes article has not been added.

  1. macOS 27 public beta 2 now available, here's how to install it

    9to5Mac · 2026-07-22T00:00:00Z · macOS 27 Public Beta 2 build 26A5388g

  2. macOS Golden Gate 27 Beta 4 (26A5388g)

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

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