IIRC, this has already occurred for mobile phones.
* https://blogs.akamai.com/2016/06/preparing-for-ipv6-only-mob...
It's (one off?) the reasons why Apple mandates that apps work with IPv6-only networks:
* https://developer.apple.com/support/ipv6/
And a lot of Indian providers as far as I know.
Most still doing either v4 only with CG-NAT or dual stack.
IIRC, this has already occurred for mobile phones.
* https://blogs.akamai.com/2016/06/preparing-for-ipv6-only-mob...
It's (one off?) the reasons why Apple mandates that apps work with IPv6-only networks:
* https://developer.apple.com/support/ipv6/