Finally! Proxmox VE officially supports Arm. At least the more server-grade Arm platforms.
I tested it on my Ampere Altra Max 128-core workstation, and it runs there (though I did hit a couple hiccups).
See: https://www.youtube.com/watch?v=Lg263L1W97w
www.youtube.com/watch?v=Lg263L1W97w
YouTubeFINALLY! Proxmox officially supports Arm (but not Raspberry Pi)