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M4 Macs can't virtualise older macOS
A bug, most probably in the early part of kernel boot in guest macOS, prevents M4 Macs virtualising macOS prior to 13.4.
macOS 13.4 updated iBoot to version 8422.121.1, so at first sight the VM could be failing when running older firmware. macOS Sonoma should run even better on all current Apple silicon Macs, and delivers a much improved display with autoscaling. Posted in Macs, Technology and tagged Apple silicon, bug, M4, macOS, virtualisation, VM.
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