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M4 Macs Incompatible with Older macOS Virtual Machines

Apple's new M4 Macs face issues running virtual machines on macOS versions prior to Ventura 13.4.

  • Users attempting to run older macOS versions on M4 Macs encounter a black screen and failed boot.
  • The issue arises during the early kernel boot process, affecting all major virtualization software.
  • M1, M2, and M3 Macs do not face this problem and can run older macOS versions in virtual machines.
  • Developers and users relying on older macOS for testing should consider this limitation before upgrading.
  • A fix would require Apple to release updated IPSW files for older macOS versions, which is unlikely.
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