While not supported, I have it working great with Windows 11 Arm64 in a VM with Parallels Desktop on my M1 MacBook Pro. If it’ll work unofficially with Windows 11 ARM64 edition, I’m sure it’ll work fine with Windows 11 on Intel processors no problems at all.
I recently installed RP2 on a Windows 11 laptop. It initially connected successfully to the M1XEP, but then lost connection after a few minutes. On attempting to reconnect Win 11 gave a warning that Win 11 firewall was preventing a connection, and would I allow access through the firewall. After allowing access the connection worked as normal.
My system is M1Gold and M1XEP, both on a static IP address, (can’t see how to determine firmware version for M1XEP)