Historically, Apple dropped support for older Macs gradually. But with the transition to Apple Silicon (the M1, M2, and M3 chips), the gap between the old Intel architecture and the new ARM architecture became a convenient excuse for a mass culling. Sudden, perfectly functional machines—like the powerful 2013 "Trash Can" Mac Pro or the beloved 2014 Mac mini—were left behind. They were denied the new aesthetics, the security updates, and the feature sets of modern macOS.
It "tricks" macOS into allowing the installation on unsupported hardware and restores essential drivers (kexts) for older graphics cards, Wi-Fi modules, and Bluetooth chips that Apple has removed from newer OS versions. open core legacy patcher
The existence of OCLP raises fascinating questions about ownership and copyright. Apple is notoriously protective of its software ecosystem. For years, the Hackintosh community lived in fear of legal crackdowns or software updates that deliberately broke their rigs. Historically, Apple dropped support for older Macs gradually