Howard Oakley recaps the problems with booting M1 machines from external disks, that he now believes are resolved with macOS 11.4.
Last week, with the release of Big Sur 11.4, Apple finally addressed most of the problems users had been experiencing getting external boot disks to work properly with their M1 Macs. Today I’m going to look back over the last six months, since the first M1 models shipped, and ask what went wrong. Last Week on My Mac: How it took 6 months for M1 Macs to work properly – The Eclectic Light Company