macOS Sequoia 15.5 Update! Everything you need to know

macOS Sequoia 15.5 Update is now Available!

UPDATED: 5/12/25

This article will be continually updated as new information comes in.

Apple just dropped the 5th major release for Sequoia, macOS Sequoia 15.5 Update! Let’s jump in and find out what’s new.

One big fix that parents will like = “Parents now receive a notification when the Screen Time passcode is used on a child’s device.”

Also note that Apple has deprecated AFP (Apple Filing Protocol). The protocol dates all the way back to System 6 (AppleShare) 1988.

Apple Filing Protocol (AFP) client is deprecated and will be removed in a future version of macOS.

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.4.0 & macOS Sequoia 15.5 Update: = 2014 11″ MacBook Air

Kernel Debug Kit (KDK) Status: = Kernel_Debug_Kit_15.5_build_24F74.dmg
https://github.com/dortania/KdkSupportPkg/releases

MetallibSupportPkg Status: = MetallibSupportPkg-15.5-24F74.pkg
https://github.com/dortania/MetallibSupportPkg/releases

macOS Sequoia Patch Notes Summary

  • 1. New Features/Improvements – 1
  • 2. Operating System Bug Fixes
  • 3. Security Fixes – 39
  • 4. Enterprise Changes – 6
  • 5. Safari Security (Webkit) – 8
  • 6. Full installer & Apple Silicon IPSW – Full installer InstallerAssistant.pkg & IPSW Apple Silicon Restore Files released!

Full Apple Update Release list

  1. Sequoia 15.5 (24F74)
  2. Sonoma 14.7.6 (23H626)
  3. Ventura 13.7.6 (22H625)
  4. iOS 18.5 (22F76)
  5. iPadOS 18.5 (22F76)
  6. iPadOS 17.7.7 (21H433)
  7. iOS 17.7.6 – Remains Same
  8. iOS 16.7.11 – Remains Same
  9. iOS 15.8.4 – Remains Same
  10. homePodOS 18.5 (22L572)
  11. tvOS 18.5 (22L572)
  12. visionOS 2.5 (22O473)
  13. watchOS 11.5 (22T572)

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Table of Contents

  • 1. macOS Sequoia Apple Links
  • 2. macOS Sequoia Final Release History
  • 3. macOS Sequoia Full Installer.app
  • 4. Apple Silicon macOS Sequoia IPSW Restore file Database
  • 5. macOS Sequoia Update sizes
  • 6. Apple Silicon System Firmware Version
  • 7. Apple Silicon OS loader Version (iBoot)
  • 8. Intel T2 BridgeOS Update
  • 9. Intel T2 Firmware Update
  • 10. Safari Update
  • 11. What’s new for enterprise in macOS Sequoia
  • 12. Security Content of macOS Sequoia
  • 13. macOS Sequoia Release Notes / Patch Notes / Changes

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