As anticipated, Apple has began delivery new Macs with macOS 10.15 Catalina. We’re nonetheless hesitant to advocate upgrading to Catalina, significantly in the event you use Mail, since reports of email data loss continue. Fortunately, downgrading a brand new Mac from Catalina to 10.14 Mojave is feasible for fashions apart from the 16-inch MacBook Professional and the 2019 Mac Professional. Mac scripting knowledgeable (and creator of the brand new guide Moving to zsh) Armin Briegel has revealed a information explaining how to roll back a new Mac that ships with Catalina to Mojave. Sadly, the method to put in Mojave isn’t easy, requiring a Mojave Installer USB drive. It’s significantly fussy in case your Mac is provided with a T2 safety chip since it’s important to arrange an account earlier than you should use Safety Utility to allow booting from exterior drives. Regardless, you’ll have to erase the interior drive totally earlier than you’ll be able to set up Mojave attributable to Catalina’s bifurcated drive construction.
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