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macOS Tahoe Incompatible with Mac Studio M3 Ultra

If you have a Mac Studio M3 Ultra and want to upgrade it to run macOS 26.0 Tahoe, then I’m afraid you’re going to have wait for Apple to build a new release that will install on your Ma…

There are plenty of others reporting exactly the same: the upgrade goes well until towards the end, then aborts and the Mac is restarted back into 15.7. The problem seems to originate from an error in its neural engine driver. Apple is advising all those affected to put their Tahoe upgrade on pause until it releases a new build that does fully support the M3 Ultra.

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