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Using OCLP BigSur a little on my Macbook Pro 8,1. Going back to Catalina after that. Pretty usable, but too glitchy, since non-metal support still in beta. : r/BigSurPatcher
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Apple releases EFI firmware update 2.2 for MacBook Pro and 1.3 for Mac mini, fixing Thunderbolt issues - 9to5Mac
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Apple Updating Keyboards and Packaging for MacBook Pros: No Install Disc or Internet Recovery - MacStories
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