macOS Tahoe 26.1 Update! Everything you need to know.

macOS Tahoe 26.1 (25B78) is now Available For All Users!

UPDATED: 11/05/25

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

Apple just released the 2nd update for macOS Tahoe to the public! Let’s jump in and find out what’s new.

In a surprise, we just got a late afternoon drop! Normally Apple will release the public releases on Monday at 12:00 CDT. But sometimes, like today, we get it mid afternoon drop.

NOTE: The build version changed from 26.1 RC (25B77) to (25B78). So if you were on the beta track, make sure you turn it off and then update to the latest public build.

macOS Tahoe 26.1 Update Patch Notes: This update adds a new tinted option for Liquid Glass along with other features, bug fixes and security updates for your Mac.

The following Apple Support documents have been released:

What’s new in macOS Tahoe – https://support.apple.com/en-us/122868
New features in macOS Tahoe PDF – https://www.apple.com/os/pdf/All_New_Features_macOS_Tahoe_Sept_2025.pdf
Mac App Store macOS Tahoe Link – NOT COMING. Apple has decided not to list macOS Tahoe in the Mac App Store.
What’s new in macOS Tahoe for Enterprise – https://support.apple.com/en-us/124963

OpenCore Legacy Patcher for Unsupported Macs

OCLP 2.4.1 & macOS Tahoe 26.1 : 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 = 2013 Mac Pro (15.7.2) 2017 MacBook Pro 15″ (15.7.2) 2011 17″ MacBook Pro (15.7.2) 2011 17″ MacBook Pro (14.8.2) 2014 11″ MacBook Air (14.8.2)

Kernel Debug Kit (KDK) Status: = Kernel Debug Kit 15.6 build 24G84 https://github.com/dortania/KdkSupportPkg/releases

Metallibsupport Status: = MetallibSupportPkg-15.6.1-24G90 https://github.com/dortania/MetallibSupportPkg/releases

macOS Tahoe Beta Patch Notes Summary

1. New Features/Improvements – 4
2. Security Fixes – 75
3. Enterprise Changes – 3
4. Safari Security (Webkit) – 11
5. Full installer & IPSW – Both are now available!
6. Safari – 26.1 Updated in Tahoe
7. OpenCore Legacy Patcher Users – NOT COMPATIBLE!

Full Apple Update Release list

macOS 💻 ✅

Tahoe 26.1 (25B78)
Sequoia 15.7.2 (24G325)
Sonoma 14.8.2 (23J126)
Safari – 26.1
Xcode – Xcode 26.1
Command Line Tools for Xcode – Xcode 26.1 Command Line Tools

Other 📲📺⌚️✅

iOS & iPadOS 26.1 (23B85)
iOS & iPadOS 18.7.2 (22H124)
homePodOS 26.1 (23J582)
watchOS 26.1 (23S37)
tvOS 26.1 (23J582)
visionOS 26.1 (23N49)

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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

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.

What’s new in the updates for macOS Tahoe – https://support.apple.com/en-us/122868
What’s new for enterprise in macOS Tahoe – https://support.apple.com/en-us/124963
Apple Security Updates Page – https://support.apple.com/en-us/HT201222
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.
macOS Tahoe features page – https://www.apple.com/macos/os/
Platform Security Guide – New macOS Rapid Security Response system.
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

3. macOS Tahoe Final & Beta Release History

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

4. macOS Tahoe Full Installer.app

Apple has released the full installer for macOS Sonoma. 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.

5. 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/

6. 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 26.0.1 with size = 1.76GB

Intel Updates

Delta from macOS Tahoe 26.0.1 with size = 846MB

7. Apple Silicon System Firmware Version

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

Apple Silicon Firmware = Updated!

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. 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 = Updated!

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

9. Intel T2 BridgeOS Update

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

BridgeOS version = Updated!

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

10. Safari Update

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

Safari = Updated!

13. macOS Tahoe 26.1 = Safari 26.1
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 26.1

Device management services can skip the OS Showcase and Update Completed setup panes.
When the declarative software update enforcement deadline is reached, and the countdown to restart the device is prompted, the option to select “Not Now” is not available.
Platform SSO registration using Secure Enclave key authentication in Setup Assistant does not prompt users for passwords when valid SSO tokens are available from the identity provider.

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

12. Security Content of macOS Tahoe

Security vulnerabilities in this Update

Fixes addressed in this update = 75

Safari 26.1 = 11 (Webkit)

https://support.apple.com/en-us/125634

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

13. macOS Tahoe Release Notes

macOS Tahoe 26.1 (25B78) Patch Notes

Liquid Glass setting gives you the option to choose between the default clear look or a new tinted look which increases opacity of the material in apps

Apple Music AutoMix support over AirPlay

Improved FaceTime audio quality in low-bandwidth conditions

Communication Safety and Web content filters to limit adult websites are enabled by default for existing child accounts for ages 13–17 (age varies by country or region)

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

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