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macOS Sequoia 15.0 - Bug fixes, changes, and more

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
If I'd read this thread, I probably wouldn't have installed 15.0 RC.

But I didn't read it, and I did install the RC. Thankfully, the installation was smooth and everything has been running great for me.

But lots of folks are having problems, I hope Apple releases a RC2 that fixes these issues.
 
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roncron said:
If I'd read this thread, I probably wouldn't have installed 15.0 RC.

But I didn't read it, and I did install the RC. Thankfully, the installation was smooth and everything has been running great for me.

But lots of folks are having problems, I hope Apple releases a RC2 that fixes these issues.
Click to expand...
Congratulations on winning the RC lottery! 😉
 
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does the RC upgraded smoothly to Release or is it best to format and reinstall on final release?
 
Dorfdad said:
does the RC upgraded smoothly to Release or is it best to format and reinstall on final release?
Click to expand...
Not to say that there aren't issues, but I've only once had a borked update since 2008 where I had to DFU restore from Time Machine. I think it's a waste of time to format to update unless you run into an issue. Always have a backup available.
 
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I have upgraded my 2017 iMac Pro from Sonoma to the Sequoia RC and have just noticed that I'm not getting any 4K option for YouTube videos in Safari. The maximum resolution being offered is 1080p HD. According to stats for nerds it's using avc1 codec whereas before the upgrade it was using vp09 codec and 4K was working fine.

4K is still working OK in Chrome and Firefox (using vp09) - just missing in Safari.

Anybody else seeing this or know what the solution might be?
 
mzanker said:
I have upgraded my 2017 iMac Pro from Sonoma to the Sequoia RC and have just noticed that I'm not getting any 4K option for YouTube videos in Safari. The maximum resolution being offered is 1080p HD. According to stats for nerds it's using avc1 codec whereas before the upgrade it was using vp09 codec and 4K was working fine.

4K is still working OK in Chrome and Firefox (using vp09) - just missing in Safari.

Anybody else seeing this or know what the solution might be?
Click to expand...
I do get YT 4K and HDR in Safari on my 2021 M1 MBP but I use the Stop the Madness extension to force highest quality.

In Settings-->Feature Flags, search for 'codec' and try toggling some of the WebRTC/WebCodecs settings and see if it starts working.
 
gwang73 said:
So I took the plunge and installed 15.0 b8 from the App Store and no issues there. However, it didn't fix the system extension issue as the kext file in question is /Library/Extensions/AppleMobileDevice.kext and cannot be deleted or modified. I couldn't even restore the old version from TimeMachine.

I still can't disable SIP or switch back to Full Security in the Recovery Security Settings. I dug a little deeper and at least for Full Security, it needs to contact Apple's servers to "personalize" it to my machine and that's when it errors.

For those of us experiencing this issue, I now believe it's Apple's backend that has the issue and there's nothing you can personally do locally on the machine itself. Not sure why some people are experiencing the issue and some others are not.

I wouldn't be surprised if they release an RC2 tomorrow or Friday.
Click to expand...

Do you know what this extension is for?

I don't even have it on my Mac. Maybe because my iMac isn't mobile... But I thought this wording is used for iPhones and iPads by Apple.

I can delete everything in that folder. Could be because SIP is disabled. Do you know how to get into the root account? Maybe you can delete it there. Or with a sudo command in the Terminal. Not sure if that would be the same.
 
gwang73 said:
So I took the plunge and installed 15.0 b8 from the App Store and no issues there. However, it didn't fix the system extension issue as the kext file in question is /Library/Extensions/AppleMobileDevice.kext and cannot be deleted or modified. I couldn't even restore the old version from TimeMachine.

I still can't disable SIP or switch back to Full Security in the Recovery Security Settings. I dug a little deeper and at least for Full Security, it needs to contact Apple's servers to "personalize" it to my machine and that's when it errors.

For those of us experiencing this issue, I now believe it's Apple's backend that has the issue and there's nothing you can personally do locally on the machine itself. Not sure why some people are experiencing the issue and some others are not.

I wouldn't be surprised if they release an RC2 tomorrow or Friday.
Click to expand...
So dude, I fixed my error. It seems like my Sony kext (that was shown in my screenshot) was somehow blocking the Apple kext.

What I did:

1) Put the Sony kext which was in /Library/Extensions in the bin.
2) Rebooted.
3) No System extensions error on reboot!
4) Then into System Settings, Privacy and Security
5) Under security the Apple extension was now showing as Updated.
6) I clicked the Allow button next to it.
7) Prompted for and provided credentials. Reboot.
8) On reboot everything is hunky dory!

Maybe you have a 3rd party extension causing the same type of issue? I hope this helps champ!
 
Adora said:
Do you know what this extension is for?

I don't even have it on my Mac. Maybe because my iMac isn't mobile... But I thought this wording is used for iPhones and iPads by Apple.

I can delete everything in that folder. Could be because SIP is disabled. Do you know how to get into the root account? Maybe you can delete it there. Or with a sudo command in the Terminal. Not sure if that would be the same.
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I don't know what these are for. I have 2 AppleMobileDevice.kext files on my machine. One in /Library/Extensions dated Aug 21, 2019 version 4.0 and another one in /Library/Apple/System/Library/Extensions dated Aug 27, 2024 version 4.0.

Can't do anything with these as I can't disable SIP until I can update using the full installer, which Apple hasn't pushed out yet.

cptcaveman said:
So dude, I fixed my error. It seems like my Sony kext (that was shown in my screenshot) was somehow blocking the Apple kext.

What I did:

1) Put the Sony kext which was in /Library/Extensions in the bin.
2) Rebooted.
3) No System extensions error on reboot!
4) Then into System Settings, Privacy and Security
5) Under security the Apple extension was now showing as Updated.
6) I clicked the Allow button next to it.
7) Prompted for and provided credentials. Reboot.
8) On reboot everything is hunky dory!

Maybe you have a 3rd party extension causing the same type of issue? I hope this helps champ!
Click to expand...
That's awesome! I'm happy you were able to figure it out.

Can you do me a favor and let me know what files you have in /Library/Extensions? If you have AppleMobileDevice.kext in this folder, can you let me know the date and version number?

The only extensions I have in this folder are:
AppleMobileDevice.kext
HighPointIOP.kext
HighPointRR.kext

I was able to remove both HighPoint files into the Trash but that didn't solve the error issue.
 
gwang73 said:
I do get YT 4K and HDR in Safari on my 2021 M1 MBP but I use the Stop the Madness extension to force highest quality.

In Settings-->Feature Flags, search for 'codec' and try toggling some of the WebRTC/WebCodecs settings and see if it starts working.
Click to expand...

Thanks for the suggestion but I've tried toggling those and it makes no difference. I've now upgraded my M1 MacBook Pro and, like you, YT 4K is working in Safari. I think it's either an Intel thing or (more likely) an issue with the Radeon card in the iMac Pro.

I'm not desperately concerned because I'll be getting an M4-based Mac in the next few months, anyway.
 
gwang73 said:
Can you do me a favor and let me know what files you have in /Library/Extensions? If you have AppleMobileDevice.kext in this folder, can you let me know the date and version number?

The only extensions I have in this folder are:
AppleMobileDevice.kext
HighPointIOP.kext
HighPointRR.kext

I was able to remove both HighPoint files into the Trash but that didn't solve the error issue.
Click to expand...

I know you didn't ask me, but my folder looks like that (15.1 Beta 3):

Screen Shot 2024-09-14 at 02.48.23.png


And this is in the other folder you mentioned:

Screen Shot 2024-09-14 at 02.52.17.png
 
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gwang73 said:
Much appreciated, that helps. I can nuke that old AppleMobileDevice kext file after I restore with the full installer, hopefully Monday when it releases.
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Did you already try to delete it in Terminal with "cd /Library/Extensions" and next "sudo rm AppleMobileDevice.kext" or only in Finder?
 
Adora said:
Did you already try to delete it in Terminal with "cd /Library/Extensions" and next "sudo rm AppleMobileDevice.kext" or only in Finder?
Click to expand...

Yeah, Terminal and also tried Terminal in Recovery mode as root. It remains system protected and can't disable SIP until Apple releases the full installer.
 
gwang73 said:
Yeah, Terminal and also tried Terminal in Recovery mode as root. It remains system protected and can't disable SIP until Apple releases the full installer.
Click to expand...
I am also waiting for a 15.1 full installer. It's really annoying.

Here is a good oversight if one is available, without logging in to a Dev. account or search in the AppStore:

mrmacintosh.com

macOS Sequoia Full Installer Database. Download Directly from Apple!

Download macOS Sequoia full installer with one click straight from Apple! Every version of Sequoia Beta & Final available all in one place!!
mrmacintosh.com mrmacintosh.com
 
Sequoia 15.0 RC: I do not see in System Settings any beta developer 15.1 betas. Is it correct?
 
No problems with my update to the RC. MacBook Pro M2. No 3rd party extensions in the two library folders discussed previously.
 
gwang73 said:
Mine is transparent with blur. They removed the menubar color setting (I think starting in Sonoma?) and it's tied to the global reduced transparency setting in accessibilities.
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I confirm! Then I was wrong, simply with the original Sonoma background, which had the light sky, the transparency with blur seemed simple transparency, instead it is always transparency with blur, now that I have the forest background, the menu bar is very dark.
 
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