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Release appearance

macOS 15.4 Public

Source-linked record
Public release

Recorded context

About this appearance

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

Date
Mar 31, 2025
Availability
available
Revision
No

Chronology evidence

Appearance sources

These sources support the recorded date, channel, or availability. A researched release-notes article has not been added.

  1. macOS Sequoia 15.4 Release Notes

    Apple Developer · 2026-07-29 · FSKit — New Features

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

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

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

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

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

    Apple Support · 2026-07-29 · macOS Sequoia 15.4 — enhancements and bug fixes

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

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

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

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

  7. macOS Sequoia 15.4 Release Notes

    Apple Developer · 2026-07-29 · macOS Sequoia 15.4 Release Notes

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

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

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.

  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.

  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.

  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.

  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.

  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.

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