Dynamic DNS, DHCP, and static assignment are all still part of IPv6. Putting single IPs in switch ACLs is an anti pattern. Consider zero trust or working with whole subnets(they're plentiful in v6) instead.

Every IPv6 networker fan has rabidly torn me to pieces when I asked how to deploy DHCPv6.

Apparently it's "not how it's done" and we're "doing it wrong".

My SOHO equipment doesn't really support it either, so it's just as well, staying on IPv4 which does DHCP and solves that problem.

> DHCP

Not if you're on Android. https://issuetracker.google.com/issues/36949085