This is actually a huge change for Apple as iOS and OS X would only use IPv6 ~20% of the time because of the IPv4 bias the old algorithm used. After this chang

This is actually a huge change for Apple as iOS and OS X would only use IPv6 ~20% of the time because of the IPv4 bias the old algorithm used. After this change, I expect to see IPv6 at the level's we see at facebook with our app to approach 80%, which is a huge improvement and hopefully results in a good rise in IPv6 usage on the internet.