macOS Tahoe 26.4.1 Update! Everything you need to know.

macOS Tahoe 26.4.1 (25E253) is now Available For All Users!

UPDATED: 04/15/26

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

Apple just released the 3rd minor update for macOS Tahoe to the public! Let’s jump in and find out what’s new.

This update is a point release update that shows the following notes: This update provides bug fixes for your Mac.

As you know, we do not just accept that so we have to dig a little deeper. If you take a look at “What’s new in Enterprise for macOS Tahoe 26” we will see the actual fix:

“Resolved an issue where MacBook Air with M5 and MacBook Pro with M5 Pro or M5 Max failed to join 802.1X Wi-Fi networks while using content filter extensions.”

macOS Tahoe Patch Notes Summary

  • 1. New Features –
  • 2. Developer Documented Fixes –
  • 3. Security Fixes –
  • 4. Enterprise Fixes – 1
  • 5. Safari Security (Webkit) –
  • 6. Safari –
  • 7. Full installer & IPSW – Both Released
  • 8. OpenCore Legacy Patcher Users – NOT COMPATIBLE!

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.4.1 & macOS Tahoe 26.4.1 : DO NOT INSTALL! NOT COMPATIBLE YET. This release is in full testing and it is not recommended that you attempt to install it yet.!

OCLP 2.4.1 Testing Status =

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

Metallibsupport Status: = https://github.com/dortania/MetallibSupportPkg/releases

Full Apple Update Release list

Update List 💻📲 ✅

  • macOS Tahoe 26.4.1 (25E253)
  • macOS Sequoia 15.7.5 (24G624) – Same Version
  • macOS Sonoma 14.8.5 (23J423) – Same Version
  • iOS 26.4.1 (23E254) – Released Yesterday
  • iPadOS 26.4.1 (23E254) – Released Yesterday
  • iOS 18.7.7 (22H333) – Same Version
  • watchOS 26.4 (23T239) – Same Version
  • watchOS 8.8.2 (19U526) – Same Version
  • watchOS 5.3.10 (16U711) – Same Version
  • homePodOS 26.4 (23L243) – Same Version
  • tvOS 26.4 (23L243) – Same Version
  • visionOS 26.4 (23O247) – Same Version
  • Studio Display Firmware 26.4 (23E246)
  • Safari – 26.4 (21624.1.16.11.4)
  • Xcode – 26.4
  • Command Line Tools for Xcode – 26.4

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Table of Contents

  • 1. macOS Tahoe Apple Links
  • 2. macOS Tahoe Release History
  • 3. macOS Tahoe Full Installer.app
  • 4. Apple Silicon macOS Tahoe IPSW Restore file Database
  • 5. macOS Tahoe 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 Tahoe
  • 12. Security Content of macOS Tahoe
  • 13. macOS Tahoe Release Notes / Patch Notes / Changes
  • 14. macOS Tahoe Developer Release Notes

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

1. Apple macOS Tahoe Links

When Apple releases the official macOS Tahoe support links, they will be listed below.

  1. What’s new in the updates for macOS Tahoe – https://support.apple.com/en-us/122868
  2. What’s new for enterprise in macOS Tahoe – https://support.apple.com/en-us/124963
  3. Apple Security Updates Page – https://support.apple.com/en-us/HT201222
  4. macOS Tahoe Mac App Store link – Apple stopped creating a Mac App Store link for macOS Downloads. Sequoia was the final OS that has an App Store link.
  5. macOS Tahoe features page – https://www.apple.com/macos/os/
  6. Platform Security Guide – New macOS Tahoe Background Security Improvements or BSI.
  7. Platform Guide Deployment – What’s new in Apple platform deployment

AppleSeed Notes Link = appleseed.apple.com/

Developer Public Link = developer.apple.com/documentation/macos-release-notes

macOS Deployment References Changes – https://support.apple.com/guide/deployment-reference-macos/document-revision-history-apd04dff7069/web

2. macOS Tahoe Final & Beta Release History

  • 18. macOS Tahoe 26.4.1 (25E253) – 4/09/26
  • 17. macOS Tahoe 26.4 (25E246) – 3/24/26
  • 16. macOS Tahoe 26.3.1 (25D2128) – 3/4/26
  • 15. macOS Tahoe 26.3 (25D125) – 2/11/26
  • 14. macOS Tahoe 26.2 (25C56) – 12/12/25
  • 13. macOS Tahoe 26.1 (25B78) – 11/03/25
  • 12. macOS Tahoe 26.0.1 (25A362) – 10/29/25
  • 11. macOS Tahoe 26.0.0 (25A354) – 10/15/25
  • 10. macOS Tahoe 26 RC (25A353) – 10/09/25
  • 9. macOS Tahoe 26 Beta 9 (25A5349a) – 10/02/25
  • 8. macOS Tahoe 26 Beta 8 (25A5349a) – 9/25/25
  • 7. macOS Tahoe 26 Beta 7 (25A5346a) – 8/18/25
  • 6. macOS Tahoe 26 Beta 6 (25A5338b) – 8/11/25
  • 5. macOS Tahoe 26 Beta 5 (25A5327h) – 8/07/25
  • 4. macOS Tahoe 26 Beta 4 (25A5316i) – 7/22/25
  • 3. macOS Tahoe 26 Beta 3 (25A5306g) – 7/07/25
  • 2. macOS Tahoe 26 Beta 2 (25A5295e) – 6/23/25
  • 1. macOS Tahoe 26 Beta 1 (25A5279m) – 6/09/25

3. macOS Tahoe Full Installer.app

Apple has released the full installer for macOS Tahoe. I list all the of the Full installers in the link below.

https://mrmacintosh.com/macos-tahoe-full-installer-database-download-directly-from-apple/

InstallAssistant.pkg = Full download. Installing this package will add the full “Install macOS Tahoe.app” to your applications folder.

4. Apple Silicon IPSW Restore file Update

Apple has released the full IPSW restore file of macOS for Apple Silicon Macs. I keep track of all of them in my Apple Silicon Firmware Database

Get them here –> https://mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database/

5. macOS Tahoe Update sizes

Delta Update

The delta update will automatically change in size for exactly what your macOS version needs.

Full update & OCLP Users = NOT SUPPORTED YET

Apple Silicon Updates

Delta from macOS Tahoe 26.4 with size = 7.15GB

Upgrade from macOS Sequoia 15.7.5 with size = 10.01GB

Intel Updates

Delta Update from macOS Tahoe 26.4 with size = 5.91GB

6. Apple Silicon System Firmware Version

This update has a new firmware update. The version number is reported in System Information under “System Firmware Version“. Also known as mBoot.

Apple Silicon Firmware = Not updated.

  • 18. macOS Tahoe 26.4.1 = 18000.101.7
  • 17. macOS Tahoe 26.4 = 18000.101.7
  • 16. macOS Tahoe 26.3.1 = 13822.81.10
  • 15. macOS Tahoe 26.3 = 13822.81.10
  • 14. macOS Tahoe 26.2 = 13822.61.10
  • 13. macOS Tahoe 26.1 = 13822.41.1
  • 12. macOS Tahoe 26.0.1 = 13822.1.2
  • 11. macOS Tahoe 26.0 = 13822.1.2
  • 10. macOS Tahoe RC = 13822.1.2
  • 9. macOS Tahoe Beta 9 = 13822.1.2
  • 8. macOS Tahoe Beta 8 = 13822.1.2
  • 7. macOS Tahoe Beta 7 = 13822.1.2
  • 6. macOS Tahoe Beta 6 = 13822.1.2
  • 5. macOS Tahoe Beta 5 = 13822.0.277.0.3
  • 4. macOS Tahoe Beta 4 = 13822.0.233
  • 3. macOS Tahoe Beta 3 = 13822.0.194.0.3
  • 2. macOS Tahoe Beta 2 = 13822.0.166.0.1
  • 1. macOS Tahoe Beta 1 = 13822.0.88.511.1

7. Apple Silicon OS loader Version (iBoot)

OS Loader Version (iBoot) also referred to as “iBoot second-stage loader”, is Apple’s stage 2 bootloader. The OS loader version will be the same as the “System Firmware Version” on the latest OS. On previous versions of macOS Monterey and Big Sur, the OS loader version will be a version behind. Example = Monterey = 7459.121.3 & Big Sur = 6723.140.2

OS Loader version = Not updated

  • 18. macOS Tahoe 26.4.1 = 18000.101.7
  • 17. macOS Tahoe 26.4 = 18000.101.7
  • 16. macOS Tahoe 26.3.1 = 13822.81.10
  • 15. macOS Tahoe 26.3 = 13822.81.10
  • 14. macOS Tahoe 26.2 = 13822.61.10
  • 13. macOS Tahoe 26.1 = 13822.41.1
  • 12. macOS Tahoe 26.0.1 = 13822.1.2
  • 11. macOS Tahoe 26.0 = 13822.1.2
  • 10. macOS Tahoe RC = 13822.1.2
  • 9. macOS Tahoe Beta 9 = 13822.1.2
  • 8. macOS Tahoe Beta 8 = 13822.1.2
  • 7. macOS Tahoe Beta 7 = 13822.1.2
  • 6. macOS Tahoe Beta 6 = 13822.1.2
  • 5. macOS Tahoe Beta 5 = 13822.0.277.0.3
  • 4. macOS Tahoe Beta 4 = 13822.0.233
  • 3. macOS Tahoe Beta 3 = 13822.0.194.0.3
  • 2. macOS Tahoe Beta 2 = 13822.0.166.0.1
  • 1. macOS Tahoe Beta 1 = 13822.0.88.511.1

8. Intel T2 BridgeOS Update

The Version of BridgeOS for your T2 Security Chip (2018-2020 Intel Macs) was updated.

BridgeOS version = Not updated

  • 18. macOS Tahoe 26.4.1 = 23.16.14242.0.0
  • 17. macOS Tahoe 26.4 = 23.16.14242.0.0
  • 16. macOS Tahoe 26.3.1 = 23.16.13120.0.0
  • 15. macOS Tahoe 26.3 = 23.16.13120.0.0
  • 14. macOS Tahoe 26.2 = 23.16.12048.0.0
  • 13. macOS Tahoe 26.1 = 23.16.11072.0.0
  • 12. macOS Tahoe 26.0.1 = 23.16.10350.0.0
  • 11. macOS Tahoe 26.0 = 23.16.10350.0.0
  • 10. macOS Tahoe RC = 23.16.10350.0.0
  • 9. macOS Tahoe Beta 9 = 23.16.10350.0.0
  • 8. macOS Tahoe Beta 8 = 23.16.10348.5.1
  • 7. macOS Tahoe Beta 7 = 23.16.5342.0.1
  • 6. macOS Tahoe Beta 6 = 23.16.5342.0.1
  • 5. macOS Tahoe Beta 5 = 23.16.5331.0.4
  • 4. macOS Tahoe Beta 4 = 23.16.5320.0.2
  • 3. macOS Tahoe Beta 3 = N/A
  • 2. macOS Tahoe Beta 2 = N/A
  • 1. macOS Tahoe Beta 1 = 23.16.5283.0.7

9. Intel T2 Firmware Update

The System Firmware Version for your Mac (2019-2020)

Firmware version = Not updated

  • 5. 18. macOS Tahoe 26.4.1 = 2103.100.6.0.0 (iBridge: 23.16.14.242.0.0,0)
  • 4. macOS Tahoe 26.4 = 2103.100.6.0.0 (iBridge: 23.16.14.242.0.0,0)
  • 3. macOS Tahoe 26.3.1 = 2094.80.5.0.0 (iBridge: 23.16.13120.0.0,0)
  • 2. macOS Tahoe 26.3 = 2094.80.5.0.0 (iBridge: 23.16.13120.0.0,0)
  • 1. macOS Tahoe 26.2 =  2094.40.1.0.0 (iBridge: 23.16.12048.0.0,0)

10. Safari Update

The new version of Safari was 26 is included in the macOS 26 update.

Safari = Not updated

  • 18. macOS Tahoe 26.4.1 = Safari 26.4 (21624.1.16.11.4)
  • 17. macOS Tahoe 26.4 = Safari 26.4 (21624.1.16.11.4)
  • 16. macOS Tahoe 26.3.1 = Safari 26.3.1 (21623.2.7.11.7)
  • 15. macOS Tahoe 26.3 = Safari 26.3 (21623.2.7.11.6)
  • 14. macOS Tahoe 26.2 = Safari 26.2 (21623.1.14.11.9)
  • 13. macOS Tahoe 26.1 = Safari 26.1 (info missing)
  • 12. macOS Tahoe 26.0.1 = Safari 26.0.1 (21622.1.22.11.15)
  • 11. macOS Tahoe 26.0 = Safari 26.0 (21622.1.22.11.14)
  • 10. macOS Tahoe RC = Safari 26.0 (21622.1.22.11.14)
  • 9. macOS Tahoe Beta 9 = Safari 26.0 (21622.1.22.11.13)
  • 8. macOS Tahoe Beta 8 = Safari 26.0 (21622.1.22.11.12)
  • 7. macOS Tahoe Beta 7 = Safari 26.0 (21622.1.22.11.11)
  • 6. macOS Tahoe Beta 6 = Safari 26.0 (21622.1.22.11.5)
  • 5. macOS Tahoe Beta 5 = Safari 26.0 (21622.1.21.11.3)
  • 4. macOS Tahoe Beta 4 = Safari 26.0 (21622.1.19.11.2)
  • 3. macOS Tahoe Beta 3 = Safari 26.0 (21622.1.18.1.5)
  • 2. macOS Tahoe Beta 2 = Safari 26.0 (21622.1.16.11.2)
  • 1. macOS Tahoe Beta 1 = Safari 26.0 (21622.1.14.11.4)

11. What’s new for Enterprise in Tahoe

Enterprise changes in macOS Tahoe 26.4

  • Resolved an issue where MacBook Air with M5 and MacBook Pro with M5 Pro or M5 Max failed to join 802.1X Wi-Fi networks while using content filter extensions.

https://support.apple.com/en-us/124963

12. Security Content of macOS Tahoe

Security vulnerabilities in this Update

Fixes addressed in this update = 0

Safari 26.4 (WebKit) = 0

https://support.apple.com/en-us/126794

https://support.apple.com/en-us/100100

13. macOS Tahoe Release Notes

macOS Tahoe 26.4.1 Update Patch Notes

  • This update provides bug fixes for your Mac

14 macOS Tahoe Developer Release Notes

This update also includes the following Developer enhancements and bug fixes:

  1. None

https://developer.apple.com/documentation/macos-release-notes

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