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If you use the official network API, don't go out of way to use the old one, any app should support IPv6.

• Arnavion 2y ago
  As long as the the servers they talk to have v6 addresses. Or does Apple implement some DNS64+NAT64 / 464XLAT setup transparently in its OSes too?
  • mcpherrinm 2y ago
    I think Apple tests on "IPv6 Only" networks that have DNS64/NAT64 to reach v4 servers
  • jcgl 2y ago
    They do implement a CLAT, both in iOS and macOS afaiu.