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> past their intended lifespan

Thanks to the community, you can install macOS 15 (or older) on unsupported macs (as old as 18 years)

https://dortania.github.io/OpenCore-Legacy-Patcher/MODELS.ht...

https://github.com/dortania/OpenCore-Legacy-Patcher

It's a bit awkward where newer Intel models with T2 chips don't support OpenCore, so e.g. the 2019 MBA is going to run out of security updates with macOS 14, sooner than a 2008 MBA that OpenCore will update up to macOS 15.

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