We are in the middle of such migration. More providers are supporting it, dual stack is on almost every major OS by default and they prefer IPv6 when possible.

We are in the middle of such migration. More providers are supporting it, dual stack is on almost every major OS by default and they prefer IPv6 when possible. Eventually all your traffic will be IPv6 and you wouldn't have noticed. Unless you have to migrate IPv4 only devices, in that case you'll be tired of hearing about it :)