"macOS 26 "Tahoe" is due in a few days, and there are a whole four Intel Macs that will be able to run it: the 2019 MacBook Pro and Mac Pro, and the 2020 MacBook Pro and iMac. Those are the official models, anyway. As we covered back in 2023, the OpenCore Legacy Patcher project offers a free tool that lets you create a custom-modified macOS installer that will let you install newer versions of macOS onto Macs too old to officially support them."
""Tahoe" is officially the last-ever macOS for Intel hardware, though. The switch to Arm-based Apple Silicon processors is permanently closing the door on the "Hackintosh" world, and the world of Arm devices is so wildly heterogeneous that there's basically zero prospect of running Arm macOS on anything else. That's why there's the special Armbian distro just to make the current Linux available on Arm kit."
"Before we tried to upgrade one of our daily drivers with OCLP, though, we wanted to test drive upgrading to an unsupported macOS. To this end, we recently pulled a retired MacBook out of storage. It's a 2010 13-inch MacBook Pro. The last supported macOS for this model is 10.13 "High Sierra", and the newest mainstream web browser for this is Firefox 115, which is the ESR release from 2023."
A new macOS release will exclude most Intel-based Macs, leaving only a few 2019–2020 models officially supported. OpenCore Legacy Patcher allows creation of modified installers to run newer macOS releases on older, unsupported Intel Macs. macOS 26 “Tahoe” will be the last version to support Intel hardware. The transition to Apple Silicon effectively ends practical Hackintosh projects and makes running macOS on alternative Arm hardware impractical. The Arm ecosystem’s heterogeneity has driven specialized distributions like Armbian to bring Linux to diverse Arm devices. Very old machines, such as a 2010 13-inch MacBook Pro limited to High Sierra, face browser and security limitations.
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