IPv6 routers use a stateful firewall just like NAT includes. Just without the problems of NAT.
As a bonus, because most (nearly all?) SOHO IPv6 routers are Linux under the hood, they are also capable of IPv6 NAT.
alt Hacker News
As a bonus, because most (nearly all?) SOHO IPv6 routers are Linux under the hood, they are also capable of IPv6 NAT.