OpenCore Legacy Patcher 3.0 beta brings macOS Tahoe to older Intel Macs, the last macOS they can ever runOpenCore Legacy Patcher 3.0 beta brings macOS Tahoe to older Intel Macs, the last macOS they can ever run

OpenCore Legacy Patcher, the volunteer tool that installs newer macOS versions on Macs Apple has stopped supporting, has added support for macOS Tahoe in a pair of release candidates.

The project, maintained by the Dortania group, published version 3.0.0-rc.1 on GitHub at 01:50 UTC on 4 October and 3.0.0-rc.2 just over three hours later. Both are marked as prereleases, and the notes warn users to expect "instability, system crashes, and potential data loss". AppleInsider reported the release on 5 October and called the tool easier to use than it was, but not for the timid. The last stable version, 2.5.1, was released on 19 September and fixed an error message.

What version 3.0 changes

The changelog credits macOS Tahoe support to the contributors EduCovas and ASentientBot. It also lists improved wireless patches, improved patches for Macs without Metal graphics on every macOS version, restored FileVault 2 support on macOS 26, USB mappings for macOS 26, and an app icon redrawn to suit Liquid Glass. The bundled OpenCore bootloader is version 1.0.5.

The restored FileVault support is the line most owners should notice. FileVault encrypts the startup disk, and a patched Mac without it is easier to read if it is lost or stolen.

Which Macs can run macOS Tahoe with OpenCore Legacy Patcher?

Dortania's supported models page reaches back to the 2007 iMac, to 2008 MacBook, MacBook Air, MacBook Pro and Mac Pro models, and to the 2009 Mac mini. It excludes Apple silicon and PowerPC Macs, and lists the 2018 MacBook Air as not supported because of problems with its T2 security chip. The page says a model not listed is not supported, and at the time of writing it does not yet mention Tahoe, so how well each older model runs Tahoe is something the release candidates are there to find out.

Apple's own Tahoe support for Intel stops at four families: the 2019 16-inch MacBook Pro, the 2020 four-port 13-inch MacBook Pro, the 2020 iMac and the 2019 Mac Pro. At WWDC in June 2025, Apple's Matthew Firlik said in the Platforms State of the Union that Tahoe would be the last macOS release for Intel Macs, as 9to5Mac reported, and macOS 27 runs only on Apple silicon.

Our take

This release is a finish line, not a step. OpenCore Legacy Patcher works by patching Apple's Intel builds of macOS onto Macs Apple has left behind. With macOS 27 there is no Intel build to patch, so Tahoe is the newest macOS any Intel Mac will run, official or not. When AppleInsider wrote in June 2025 that OpenCore was effectively dead, the point was the future. This release shows the project still has one version left to deliver.

That makes the result oddly even. A 2012 MacBook Pro patched with this tool and a 2019 MacBook Pro Apple still supports end on the same release. The difference is what comes next: Apple's security updates for Tahoe are written for the machines Apple supports, and a patched Mac depends on volunteers to keep each one working. It is the same position the Asahi Linux developers bringing up M4 Macs are in from the other direction: useful work Apple does not document, carried by a small group of people.

APPDOOK's advice is simple. Do not install a release candidate on a Mac you depend on. Wait for 3.0.0 to ship as a final release, make a full backup first, and turn FileVault on once it is installed. For an old Mac kept as a second machine for a child, a kitchen or a studio, a patched Tahoe is a good way to keep a current browser and current apps running for a while longer. For anything holding work you cannot lose, the safer upgrade is an Apple silicon Mac.