Jason Snell (also: MacRumors):
With the advent of Macs running Apple-designed processors, things will get a whole lot simpler. As described Wednesday in the WWDC session Explore the New System Architecture of Apple Silicon Macs, these new Macs will only require you to remember a single button: Power.
[…]
On these new Macs, Target Disk Mode will be retired in favor of Mac Sharing Mode. Rather than turning your Mac into a disk, the new Mac Sharing Mode will turn your Mac into an SMB file server.
[…]
In reduced security mode, you can boot any supported version of macOS, even if Apple’s no longer signing it. And if an app or accessory you rely on uses a third-party kernel extension to enable functionality, you’ll need to use this mode.
Previously: