macOS Tahoe 26.0.1 Released with Key Fix for Mac Studio and More

Apple has released macOS Tahoe 26.0.1, fixing an installation bug impacting Mac Studio with M3 Ultra and providing various bug fixes and security updates. The update resolves an issue that prevented some users from upgrading to macOS Tahoe on Mac Studio.

Apple has released macOS Tahoe 26.0.1, addressing a critical installation bug that has been affecting users of the Mac Studio with M3 Ultra. The update, released on September 12, 2025, includes various bug fixes and security enhancements. The primary issue resolved in this update is a problem that prevented some users from upgrading to macOS Tahoe on their Mac Studio devices.

The update fixes an issue related to the Apple Neural Engine (ANE) driver, which was causing installation failures during the upgrade process. Users reported encountering a panic message indicating a failure to validate ANE register offset 0x5a8 Can't install MacOs Tahoe on Mac Studio M3 Ultra^[1]. This issue was particularly prevalent among users with specific M3 Ultra revisions.

Apple has provided several steps to help users resolve this issue before the release of 26.0.1. These steps include checking for a newer build of macOS Tahoe, installing via macOS Recovery, booting into Safe Mode, performing an erase-install on an external drive, and escalating the issue to Apple for further assistance. Users were advised to back up their data before attempting any of these steps Can't install MacOs Tahoe on Mac Studio M3 Ultra^[1].

The release of macOS Tahoe 26.0.1 is a significant update for Mac Studio users, ensuring a smoother upgrade process and improved system stability. The update is available via the macOS Software Update feature, which automatically checks for and installs updates.