Month: March 2025

macOS Sequoia 15.4 Update Everything You Need to Know!

macOS Sequoia 15.4 Update is now Available!

UPDATED: 4/10/25

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

Apple just dropped the 4th major release for Sequoia, macOS Sequoia 15.4 Update! Let’s jump in and find out what’s new.

This update is considered the “Spring Release” because it is the last big update for macOS Sequoia. All focus from Apple will now be on the development of macOS 16. Without a doubt, this is a HUGE update and will take some time to go through! Stay tuned!

IMPORTANT NOTE: The 15.4 update will automatically enable “Download And Install OS Updates”! Be sure to disable this if you don’t want OS updates to automatically download and install. Turning off Auto Updates is REQUIRED for OCLP users!

1. UPDATE: OpenCore Legacy Patcher 2.3.0 was just released and it includes Sequoia 15.4 compatibility!

2. UPDATE 2: OCLP 2.3.1 was released to fix an issue with OCLP Vaulting that affected a few models.

3. UPDATE 3: OCLP 2.3.2 Hotfix released to fix T1 password crashing issue.

Apple just broke 2 records with the Sequoia 15.4 Update!

  • Security Fixes = 131 CVE’s patched
  • Enterprise Fixes = 17 detailed improvements!

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.3.2 & macOS Sequoia 15.4 Update: = 2013 Mac Pro, 2012 13″ MacBook Pro, 2011 17″ MacBook Pro, 2008 15″ MacBook Pro, 2014 11″ MacBook Air, 2012 Mac mini, 2010 Mac Pro, 2013 15″ MacBook Pro, 2011 27″ iMac & 2015 27″ iMac

Kernel Debug Kit (KDK) Status: = Kernel_Debug_Kit_15.4_build_24E247.dmg
https://github.com/dortania/KdkSupportPkg/releases

MetallibSupportPkg Status: = MetallibSupportPkg-15.4-24E248.pkg
https://github.com/dortania/MetallibSupportPkg/releases

macOS Sequoia Patch Notes Summary

  • 1. New Features/Improvements – 10
  • 2. Operating System Bug Fixes – 9
  • 3. Security Fixes – 131
  • 4. Enterprise Changes – 17!!!
  • 5. Safari Security (Webkit) –
  • 6. Full installer & Apple Silicon IPSW – Full installer InstallerAssistant.pkg & IPSW Apple Silicon Restore Files released!

Full Apple Update Release list

  1. Sequoia 15.4 (24E248)
  2. Sonoma 14.7.5 (23H527)
  3. Ventura 13.7.5 (22H527)
  4. iOS 18.4 (22E240)
  5. iOS 17.7.6 (21H423)
  6. iOS 16.7.11 (20H360)
  7. iOS 15.8.4 (19H390)
  8. audioOS 18.4 (22L255)
  9. tvOS 18.4 (22L255)
  10. visionOS 2.4 (22O238)
  11. watchOS – Waiting

NOTE: I hate website ads, but this one small google ad below helps me with the cost of running Mr. Macintosh.com. Thank you

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

Click “Continue Reading” for the rest of the article.

Continue reading “macOS Sequoia 15.4 Update Everything You Need to Know!”

macOS Sequoia 15.3.2 Update Everything You Need to Know!

macOS Sequoia 15.3.2 Update is now Available!

UPDATED: 3/31/25

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

Apple just dropped the 3rd minor release for Sequoia, macOS Sequoia 15.3.2 Update! Let’s jump in and find out what’s new.

This update focuses around providing support for the new M4 MacBook Air and M3/M4 Mac Studio. It also addresses a severe Safari Webkit vulnerability. Note that “Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.”

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.2.0 & macOS Sequoia 15.3.2 Update: = 3 tests complete. 2014 MacBook Pro, 2013 Mac Pro & 2011 17″ MacBook Pro

Kernel Debug Kit (KDK) Status: = Kernel_Debug_Kit_15.3.2_build_24D81.dmg
https://github.com/dortania/KdkSupportPkg/releases

MetallibSupportPkg Status: = MetallibSupportPkg-15.3.2-24D81.pkg
https://github.com/dortania/MetallibSupportPkg/releases

macOS Sequoia Patch Notes Summary

  • 1. New Features/Improvements – 0
  • 2. Operating Sytem Bug Fixes – 0
  • 3. Security Fixes – 0
  • 4. Enterprise Changes – 0
  • 5. Safari Security (Webkit) – 1
  • 6. Full installer & Apple Silicon IPSW – Full installer InstallerAssistant.pkg & IPSW Apple Silicon Restore Files released!

Full Apple Update Release list

  1. Sequoia 15.3.2 (24D81)
  2. Sequoia 15.3.2 (24D2082) (M4 MacBook Air & M3 M4 Studio)
  3. Sonoma 14.7.4 (No Update)
  4. Ventura 13.7.4 (No Update)
  5. iOS/iPadOS 18.3.2 (22D82)
  6. iOS & iPadOS 18.3.2 (22D8082) (iPhone 16e & New iPads)
  7. iPadOS 17.7.5 (No Update)
  8. audioOS 18.3.1 (No Update)
  9. tvOS – 18.3.1 (Apple TV 4K 3rd Gen only)
  10. watchOS 11.3.1 (No Update)
  11. visionOS 2.3.2 (22N906)

NOTE: I hate website ads, but this one small google ad below helps me with the cost of running Mr. Macintosh.com. Thank you

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

Click “Continue Reading” for the rest of the article.

Continue reading “macOS Sequoia 15.3.2 Update Everything You Need to Know!”