Ability to configure upstream DNS for IPv6
We can currently set the IPv4 upstream DNS addresses but not for IPv6. If you use OpenDNS or any non-ISP servers you have to disable IPv6 if you want to enforce the DNS servers.
I second this suggestion. Right now, if DNS servers are manually configured, once IPV6 is enabled with DHCP, a new IPV6 DNS server is added, the router itself, forwarding requests to the ISP servers, this defeating the manually set up ones.