macOS Tahoe 26.5 Update! Everything you need to know.

macOS Tahoe 26.5 (25F71) is now Available For All Users!

UPDATED: 05/12/26

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

Apple just released the 5th major update for macOS Tahoe to the public! Let’s jump in and find out what’s new.

This update is a large point release update that shows the following notes:

The 26.5 Update includes the following:

“This update includes enhancements, bug fixes and security updates for your Mac”

NOTE: Apple did not list the below two updates. Thank you to @Dhinak for grabbing the info. The MagSafe info was provided in the Apple Developer Forum.

Suggested Places in Maps displays recommendations based on what’s trending nearby and your recent searches
Power control setting in Energy for Mac mini, Mac Studio, and iMac enables you to power off or restart your Mac using assistive accessories like switches
MagSafe Power adapter color will now show green if the battery charge limit is set and the Mac is fully charged =
The light should now turn green when the device reaches the charging limit.
The light should now turn back to amber if/when power drain causes charging to resume.
developer.apple/com/forum/thread/822390

macOS Tahoe Patch Notes Summary

1. New Features – 3*
2. Developer Documented Fixes – 8
3. Security Fixes – 79
4. Enterprise Fixes – 8
5. Safari Security (Webkit) –
6. Safari – Updated – 26.5
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 26.5 : 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 💻📲 ✅

Tahoe 26.5 release (25F71) (same as RC)
Sequoia 15.7.7 release (24G720) (same as RC)
Sonoma 14.8.7 release (23J520) (same as RC)
iOS/iPadOS 26.5 release (23F77) (same as RC)
iOS/iPadOS 18.7.9 release (22H355) (same as RC)
iPadOS 17.7.11 release (21H461)
iOS/iPadOS 16.7.16 release (20H392)
iOS/iPadOS 15.8.8 release (19H422)
watchOS 26.5 release (23T570) (same as RC)
homePodOS 26.5 release (23L471) (same as RC)
tvOS 26.5 release (23L471) (same as RC)
visionOS 26.5 release (23O471) (same as RC) (edited)
Studio Display Firmware 26.4 (23E246)
Safari – 26.5 (21624.2.5.11.4)
Xcode – 26.4
Command Line Tools for Xcode – 26.4
This information was provided by Dhinak - Thank You!

Security Vulnerabilities Patched

This is a list of all the CVE Security Vulnerabilities Patched:

Tahoe 26.5 – 79 CVEs Patched
Sequoia 15.7.7 – 45 CVEs Patched
Sonoma 14.8.7 – 42 CVEs Patched
iOS/iPadOS 26.5 – 61 CVEs Patched
iOS/iPadOS 18.7.9 – 47 CVEs Patched
iPadOS 17.7.11 – 1 CVE Patched
iOS/iPadOS 16.7.16 – 1 CVE Patched
iOS/iPadOS 15.8.8 – 1 CVE Patched
watchOS 26.5 – 43 CVEs Patched
tvOS 26.5 – 46 CVEs Patched
visionOS 26.5 – 48 CVEs Patched

This information was provided by MacAdmin Tony Young - Thank You!

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

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.

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 Tahoe Background Security Improvements or BSI.
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

19. macOS Tahoe 26.5 (25F71) – 5/11/26
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 26.4.1 with size = 3.78

Upgrade from macOS Sequoia 15.7.4 with size = 10.05GB

Intel Updates

Delta Update from macOS Tahoe 26.4.1 with size = 2.83GB

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 = Updated!

19. macOS Tahoe 26.5 = 18000.120.36
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 = Updated!

19. macOS Tahoe 26.5 = 18000.120.36
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 = Updated!

19. macOS Tahoe 26.5 = 23.16.15067.0.0
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

6. macOS Tahoe 26.5 = 2103.100.6.0.0 (iBridge: 23.16.15067.0.0,0)
5. 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 = Updated!

19. macOS Tahoe 26.5 = Safari 26.5 (21624.2.5.11.4)
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 26.5

Resolved an issue where some Mac computers may start up to a black screen after a software update.
Root and intermediate certificates are correctly updated when renewing enrollment in a device management service.
Resolved an issue where Mac computers restarted unexpectedly while mounting SMB shares.
Resolved an issue where MacBook Air with M5 and MacBook Pro with M5 Pro or M5 Max restarted unexpectedly when using some content filter extensions.
Resolved an issue where successful smart card logins triggered incorrect password attempts.
When autofill is disabled for Safari using device management, Autofill Passwords and Passkeys can still be enabled for other apps in System Settings.
X11 apps using XQuartz now display correctly after the app window is resized.
When the Mac is not bound to Active Directory, the SMB client now performs DNS SRV lookups for ldap.tcp.<serverName> and gc.tcp.<serverName> configured in nsmb.conf to discover domain controllers. If domain controllers are found, the client attempts to connect to each one in order. If all domain controller connections fail, the client falls back to the original server name.

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

12. Security Content of macOS Tahoe

Security vulnerabilities in this Update

Fixes addressed in this update = 79

Safari 26.4 (WebKit) =

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

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

13. macOS Tahoe Release Notes

macOS Tahoe 26.5 Update Patch Notes

Suggested Places in Maps displays recommendations based on what’s trending nearby and your recent searches
Power control setting in Energy for Mac mini, Mac Studio, and iMac enables you to power off or restart your Mac using assistive accessories like switches
MagSafe Power adapter color will now show green if the battery charge limit is set and the Mac is fully charged =
The light should now turn green when the device reaches the charging limit.
The light should now turn back to amber if/when power drain causes charging to resume.
developer.apple/com/forum/thread/822390

14 macOS Tahoe Developer Release Notes

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

The macOS 26.5 SDK provides support to develop apps for Mac computers running Tahoe 26.5. The SDK comes bundled with Xcode 26.5, available from the Mac App Store. For information on the compatibility requirements for Xcode 26.5, see Xcode 26.5 Release Notes.

New Features

You can read pricing information for subscriptions that have a monthly with 12-month commitment billing plan configuration in App Store Connect or StoreKit Testing in Xcode through the new PricingTerms model on SubscriptionInfo.pricingTerms. (150388310)
You can specify the billing plan type to use for subscriptions that have a monthly with 12-month commitment billing plan configuration using the new billingPlanType PurchaseOption. (150388542)
Read customer entitlement metadata for subscriptions purchased with a monthly billing plan type through the new CommitmentInfo data model on Transaction and SubscriptionRenewalInfo. (150388746)
When you import both StoreKit and SwiftUI, you can merchandise the monthly billing plan configuration for subscriptions that have a monthly with 12-month commitment billing plan using built-in styles through the new preferredSubscriptionPricingTerms(_:) API. (150389069)

Resolved Issues

Fixed: The App Version field in the ASN.1 app receipt might contain the string “null” instead of the expected version number. (171614522) (FB22114908)
Fixed: Transaction.currentEntitlements might be empty if a customer has an active subscription when the device’s system calendar is set to a non-Gregorian format. (173415174)

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

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