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by detaro 3488 days ago
The requirement is only to work in networks with NAT64. That means your app can not hardcode IPv4 addresses and not rely on IPv4 only APIs, it has to work if any of its backend services are only visible through an IPv6 address from a NAT64 gateway and it receives that address from a DNS64 service. The backend service itself does not have to have IPv6 connectivity.

https://developer.apple.com/library/content/documentation/Ne...