macOS Tahoe 26 on Unsupported Macs Discussion

[Pri-est]

For real? Post an issue on Github and hopefully he’ll see it.

Are you seriously?

 

[deeveedee]

@AppleTechSmart12 I've been following the OCLP T2 fork for a while. It's one of the forks that I've been referencing without providing a link here in this thread.

By announcing the fork prematurely, you risk doing exactly what the original OCLP devs are avoiding: providing a bad user experience with code that is not ready for prime time.

 

[hackintosh_user]

Apple released some macOS updates today:

1. macOS Tahoe 26.6.1 (25G76)
2. macOS Sequoia 15.7.9 (24G830)
3. macOS Sonoma 14.8.9 (23J631)

As for OpenCore legacy patcher:

• Version 2.4.1 remains the latest, Download from the official repo
• Metallibsupportpkg, 15.7.8 (24G809) remains the latest Version for metal 3802 GPU(s): Download from here
• Kernel Debug Kit, 15.7.4 (24G517) remains the latest version for KDK needing systems for root patching: Download from here

Downloading 15.7.9 (24G830) on my mid 2012 retina MacBookPro (ivy bridge).

 

[funnymacuser]

I'll try it as soon as I have access to my pro 13 2015

currently it's not work, not available patches for Broadwell

 

[hackintosh_user]

currently it's not work, not available patches for Broadwell

as expected...

Downloading 15.7.9 (24G830) on my mid 2012 retina MacBookPro (ivy bridge).

Install went perfectly fine as before, and 15.7.9 works great on my 2012. since this has a metal 3802 GPU that needs the metallibsupportpkg. it took some time to patch but since it didn't need to download the pkg it went pretty fast.

 

[Mystere65]

Has anyone tried installing Tahoe, on the 5,1?

JUST WONDERING?

The 5.1's CPU is already struggling on Sequoia, due to lack of AVX, let alone on Tahoe

 

[Albert Müller]

Good to know. I suspect the challenge this year will be getting it to run on non-T2 Macs. Macs like the 2018 Mac mini and 2020 MacBook Air with T2 should be easier I'd think.

Although, if MacOS can still run in a VM environment with no T2, maybe not. Someone please confirm!

I have managed to boot my Mac mini 2018 into the macOS 26 Tahoe installer, but when it’s time to boot the OS from an external SSD, APFS related kexts (I think AppleImage4.kext + apfs.kext), both panic with Needs authenticator (81):

This issue is documented in my project: https://github.com/albert-mueller/OpenCore-Legacy-Patcher-T2/issues/130
So if you can help me, you can come to my repo. But since I don’t have serial debugging cable, and bridgeOS panics shortly after displaying the panic, an Ethernet debugging would be as useless as a broken HDD hard drive.

 

[hackintosh_user]

I have managed to boot my Mac mini 2018 into the macOS 26 Tahoe installer, but when it’s time to boot the OS from an external SSD, APFS related kexts (I think AppleImage4.kext + apfs.kext), both panic with Needs authenticator (81):

This issue is documented in my project: https://github.com/albert-mueller/OpenCore-Legacy-Patcher-T2/issues/130
So if you can help me, you can come to my repo. But since I don’t have serial debugging cable, and bridgeOS panics shortly after displaying the panic, an Ethernet debugging would be as useless as a broken HDD hard drive.

your work is amazing, I hope you and your team have great success with this project! and hopefully more than just T2 Macs! but again I still hope for success for the official dortaina OCLP!

 

[deeveedee]

@Albert Müller You may want to start a new macRumors thread for discussion of unsupported T2 debugging. You can post a link to your thread in this thread. Just a thought.

 

[Albert Müller]

@Albert Müller You may want to start a new macRumors thread for discussion of unsupported T2 debugging. You can post a link to your thread in this thread. Just a thought.

Okay, just opened a new discussion here: https://forums.macrumors.com/thread...it-fails-with-appleimage4-apfs-panic.2486563/

 

[Albert Müller]

👍

 

[Albert Müller]

currently it's not work, not available patches for Broadwell

Yes, you're absolutely right. Broadwell patches are not available at this time in any PatcherSupportPkg for macOS 26 Tahoe. Anyone using these series GPUs should avoid upgrading to Tahoe.

 

[Enricote]

So, considering the title of this thread, and in order to clarify things and avoid going off topic, how has the situation regarding compatible devices changed since jshayya0184’s first post here (June 2025)?

macOS Tahoe 26 on Unsupported Macs Discussion

macOS Tahoe is officially the last macOS to support Intel Macs, as confirmed by Apple. This will be quite a long thread, I'm sure. The official minimum requirements are as follows: Current state: See post #258: The devs have initial patches for many Macs already, but non-Metal macs will not be...

forums.macrumors.com

I know everything is already in the thread, but it might be useful to summarise the key points from time to time.

 

[funnymacuser]

Yes, you're absolutely right. Broadwell patches are not available at this time in any PatcherSupportPkg for macOS 26 Tahoe. Anyone using these series GPUs should avoid upgrading to Tahoe.

It’s sad, but I want to say that you’re a cool I’m sure your future work will benefit both T2 and non-T2 Macs🙂

 

[Albert Müller]

It’s sad, but I want to say that you’re a cool I’m sure your future work will benefit both T2 and non-T2 Macs🙂

Except the Broadwell graphics, and maybe the old NVIDIA GPUs, everything else seems to work fine on Tahoe.

 

[Sven G]

So, for example, would your OCLP-T2 make Tahoe work, with all required patches, with Haswell, Intel Iris Pro and NVIDIA GeForce GT 750M (as in the MBP11,3)…? Or is it too early and still better to wait? And the needed Tahoe MetallibSupport package should presumably be taken from here:

GitHub - pyquick/MetallibSupportPkg

Contribute to pyquick/MetallibSupportPkg development by creating an account on GitHub.

github.com

… right…? I would be tempted to try, but only if reasonably sure that it really works (and maybe experimenting on an external Thunderbolt drive, initially: possible?)…

 

[Albert Müller]

So, for example, would your OCLP-T2 make Tahoe work, with all required patches, with Haswell, Intel Iris Pro and NVIDIA GeForce GT 750M (as in the MBP11,3)…? Or is it too early and still better to wait? And the needed Tahoe MetallibSupport package should presumably be taken from here:

GitHub - pyquick/MetallibSupportPkg

Contribute to pyquick/MetallibSupportPkg development by creating an account on GitHub.

github.com

… right…? I would be tempted to try, but only if reasonably sure that it really works (and maybe experimenting on an external Thunderbolt drive, initially: possible?)…

The problematic one is PatcherSupportPkg (any), the Metallibs is fine. PatcherSupportPkg has no patches for Broadwell GPUs for Tahoe, regardless of the repo I looked at. The Metallibs that you pointed is exactly the one I’m using and that one has zero issues with all GPUs that require it. To be exact, the missing patches in PatcherSupportPkg are these:

• Starting Patch Process
• Determining Required Patch set for Darwin 25
  Pulling metallib list from MetallibSupportPkg API
  Direct match found for 25G76 (26.6.1)
  Following metallib is recommended:
• metallib Build: 25G76
• metallib Version: 26.6.1
• metallib URL: https://github.com/pyquick/Metallib...6.1-25G76/MetallibSupportPkg-26.6.1-25G76.pkg
  Pulling KDK list from KdkSupportPkg API
  No direct match found for 25G76, falling back to closest match
  Closest Match: 25G5065a (26.6)
  KDK already installed (KDK_26.6_25G5065a.kdk), skipping
• Verifying whether Root Patching possible
• Patcher is capable of patching
• Unprivileged hdiutil attach denied, retrying with administrator privileges
• Mounted (elevated)
• Mounted Universal-Binaries.dmg
• Running sanity checks before patching
  Patchen des Root-Volumes
  Patching the root volume
• Running patches for MacBookPro10,2
• Running Preflight Checks before patching
  Failed to find /var/folders/lp/jpnz37216mj9y7gdjd78mz5c0000gn/T/tmpdhio9jym/payloads/Universal-Binaries/13.2.1-25/System/Library/Frameworks/Metal.framework
  Stack Trace:
  NoneType: None
  We have a problem to execute patches and rebuild the Kernel Cache.
  Stack Trace:
  Traceback (most recent call last):
  File "opencore_legacy_patcher/sys_patch/sys_patch.py", line 519, in _patch_root_vol
  File "opencore_legacy_patcher/sys_patch/sys_patch.py", line 660, in _execute_patchset
  File "opencore_legacy_patcher/sys_patch/sys_patch.py", line 848, in _preflight_checks
  Exception: Failed to find /var/folders/lp/jpnz37216mj9y7gdjd78mz5c0000gn/T/tmpdhio9jym/payloads/Universal-Binaries/13.2.1-25/System/Library/Frameworks/Metal.framework

The thing is it’s not a syntax issue, 13.2.1-25 is missing completely, there is only 13.2.1-24 and 13.2.1-3802, for the rest of the GPUs there are patches.

I took a look at all other PatcherSupportPkgs that support Tahoe, but couldn’t find any that has also this patch that looks missing. Took a look at OCLP-R and OCLP-Lzhoang as well, and they don’t have this what looks like missing patch actually available.
Edit: OCLP-X has the missing patch, but it is missing on some other patches, so I forked PatcherSupportPkg to add the missing patch. Now I'm releasing an update to switch to my fork.

 

[Sven G]

Interesting… And I guess that it might be better to wait a little more, for Tahoe on the late 2013 MBP (no hurry: Sequoia works perfectly). Good to know there is an actively developed OCLP fork…

 

[BradleyinDC]

Interesting… And I guess that it might be better to wait a little more, for Tahoe on the late 2013 MBP (no hurry: Sequoia works perfectly). Good to know there is an actively developed OCLP fork…

same boat here

 

[hackintosh_user]

Interesting… And I guess that it might be better to wait a little more, for Tahoe on the late 2013 MBP (no hurry: Sequoia works perfectly). Good to know there is an actively developed OCLP fork…

yup Sequoia works perfectly currently even on my ivy bridge 10,2 so we can wait for Tahoe either on the official Dortaina OCLP or this T2 OCLP which both developers for are amazing! but I do wish the official team would show us some updates tho.. also can you send me the OCLP 2.5.0 nightly? I had the package but Windows ate my SSD yesterday and I had to re install Sequoia alongside lossing my stuff on the 10,2 sadly 🙁

 

[Sven G]

Here is the latest 2.5.0n (in the Sequoia thread):

https://forums.macrumors.com/threads/macos-15-sequoia-on-unsupported-macs-thread.2428654/post-34718405

 

[sinbad21]

Ivy Bridge is therefore not supported, because there was no Mac T2 at that time. I still tried the patch on my mbp 2012, only the WiFi and sound patch I think are offered, and anyway fail.

 

[Sven G]

The macOS Tahoe 26.6.1 KDK (and others, too) has been released:

Release Kernel Debug Kit 26.6.1 build 25G76 · dortania/KdkSupportPkg

KDK for macOS 26.6.1 (25G76)

github.com

Releases · dortania/KdkSupportPkg

Kernel Debug Kit Mirror for macOS Ventura and newer - dortania/KdkSupportPkg

github.com

 

[weckart]

And I also think the work of developers in privacy is a very reasonable plus because I think the Apple team also monitors some times how things are in the old Mac and the popular patcher, and let's imagine how it could be the developers of the patcher spread the patch or what they did to start something, and Apple while still working on Tahoe could freely close the hole so that the patch or something stops working, still I think the new marketing teams in apple are clearly not happy because people can buy the old one instead of the new one and without any problems installing the new system and use

I understand why this sentiment goes around but I doubt for a second that Apple is the slightest bit concerned about OCLP or any more than it has shown itself to be about hackintoshes because it helps to keep people within the Apple ecosystem where they may otherwise drift away. At the end of the day, the biggest money spinners for Apple are its iPhone and associated services. Traditional computers take a much smaller slice of the pie but help to keep interest in the iPhone and provide hardware for iOS development. As popular as OCLP seems to be, it is still a tiny minority of the entire Apple userbase which bothers with it, ditto hackintoshes.

 

[Gandolf243]

Hey, any testing on macbookpro7,1? I have one, and I want to know what to expect when I download Tahoe. Also, can someone update me on the past 72 pages? I decided to stop reading at page 3 and move on with my life.
(Also, if anyone has the ability add me as a contributor to OCLP, that would be great. (Same username as here as on GitHub.))