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Release record

macOS 15.4

Full article
Public release
Recorded milestones
7
Beta cycle
38d
Average interval
6d
Public release
Mar 31, 2025

Release notes

Overview

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

Release overview

macOS 15.4 brought Apple Intelligence memory movies to Photos, added Sketch to Image Playground, expanded supported languages and locales, and introduced Mail Categorization. [1]Photos organization, Matter robot-vacuum support, Screen Time persistence, accessibility behavior, and external-display Night Shift were also updated.[2]

Developer and enterprise scope

The 15.4 SDK made FSKit available for user-space file systems and documented new storage and driver capabilities. [3]Managed deployments gained passkey and hardware-key enrollment, beta-program controls, and additional software-update and network policy behavior.[4]

Source ledger

References

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

  1. What's new in the updates for macOS Sequoia 15

    Apple Support · 2026-07-29 · macOS Sequoia 15.4 — Apple Intelligence and Mail

    Back to text ↑
  2. What's new in the updates for macOS Sequoia 15

    Apple Support · 2026-07-29 · macOS Sequoia 15.4 — Photos and additional enhancements

    Back to text ↑
  3. macOS Sequoia 15.4 Release Notes

    Apple Developer · 2026-07-29 · FSKit and SCSIControllerDriverKit

    Back to text ↑
  4. What's new for enterprise in macOS Sequoia

    Apple Support · 2026-07-29 · macOS Sequoia 15.4

    Back to text ↑

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.

feature · introduced

Mail Categorization

documentedconfirmed

The Mail inbox gained automatic categories to help users distinguish important messages from transactions, updates, and promotions.

Recorded at Public

  1. [1] What's new in the updates for macOS Sequoia 15 · macOS Sequoia 15.4 — Mail

feature · introduced

Matter robot-vacuum support in Home

documentedconfirmed

Supported robot vacuums joined the Home ecosystem with direct control and automation participation.

Recorded at Public

  1. [1] What's new in the updates for macOS Sequoia 15 · macOS Sequoia 15.4 — additional enhancements

developerApi · introduced

FSKit user-space file systems

documentedconfirmed

Developers gained a supported framework for implementing file systems outside the kernel through app extensions.

Recorded at Public

  1. [1] macOS Sequoia 15.4 Release Notes · FSKit — New Features

enhancement · changed

Expanded Apple Intelligence creation tools

documentedconfirmed

The update broadened supported languages and added new image and memory-generation options on eligible Macs.

Recorded at Public

  1. [1] What's new in the updates for macOS Sequoia 15 · macOS Sequoia 15.4 — Apple Intelligence

bugFix · fixed

External-display and Screen Time reliability

documentedconfirmed

Two user-facing fixes addressed external-display color scheduling and a route around Screen Time App Limits.

Recorded at Public

  1. [1] What's new in the updates for macOS Sequoia 15 · macOS Sequoia 15.4 — enhancements and bug fixes

enhancement · changed

Photos filtering and organization controls

documentedconfirmed

Library management became more consistent across collections, and Clean Up gained a Retouch brush.

Recorded at Public

  1. [1] What's new in the updates for macOS Sequoia 15 · macOS Sequoia 15.4 — Photos

Milestones

Release history

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

  2. +10 days
  3. +7 days
  4. +7 days
  5. +7 days
  6. +3 days
  7. +4 days

    Public release

    Public

    Source-linked recordEditorially verified

    The public macOS 15.4 release expanded Apple Intelligence and Photos, introduced Mail Categorization and FSKit, and added Home, accessibility, and enterprise-management improvements.

    Availability
    available
    Sources
    8 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for .4 releases

36 days, 6.0 milestones

Based on 1 previous macOS .4 releases

Cycle vs. platform average

38d (avg: 106d)

68 days shorter than the macOS average

Longest gap in this cycle

10 days

Between Beta 1 and Beta 2

Previous .4 releases (macOS)

Previous comparable macOS releases
VersionYearCycleMilestonesAvg. Interval
macOS 26.4202636d67d

Scroll horizontally to compare every historical field.

Official release notes