Month: November 2024

macOS Sequoia 15.1.1 Update Everything You Need to Know!

macOS Sequoia 15.1.1 is now Available!

UPDATED: 11/21/24

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

Apple just released the 2nd minor point release for macOS Sequoia! Let’s jump in and find out what’s new.

Apple’s update notes list the following “This update provides important security fixes and is recommended for all users.”

NOTE (UPDATE 9:00PM This issue is fixed!!!) If you are trying to restore macOS Sequoia 15.1.1 on Apple Silicon you will get an error. “The System cannot be restored on this device” This is due to Apple not uploading the proper decryption keys.

Affected versions: Sequoia 15.1.1 (24B91) & (24B2091) M4 visionOS 2.1.1 (22N591) 1. Restore Sequoia 15.1.1 IPSW 2. Create a Sequoia 15.1.1 VM 3. Restore visionOS 2.1.1 IPSW

Also updated was Safari 18.1.1 (20619.2.8.11.12). This version is included in the macOS Sequoia 15.1.1 Update. Version 18.1.1 is also available as a standalone update for macOS Sonoma and Ventura.

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.1.2 & macOS 15.1.1: = Testing complete against my fleet of 13 Mac models with no major issues found.

Kernel Debug Kit (KDK) Status: = Kernel_Debug_Kit_15.1.1_build_24B91.dmg https://github.com/dortania/KdkSupportPkg/releases

MetallibSupportPkg Status: = 15.1.1-24B91.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 – 1
  • 4. Enterprise Changes – 0
  • 5. Safari Security (Webkit) – 1
  • 6. Full installer & M1 IPSW – Full installer and Apple Silicon IPSW are available for download.

Full Apple Update Release list

  1. Sequoia 15.1.1 (24B91)
  2. Sequoia 15.1.1 (24B2091) M4 ONLY
  3. iOS & iPadOS 18.1.1 (22B91)
  4. iOS & iPadOS 17.7.2 (21H221)
  5. visionOS 2.1.1 (22N591)

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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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