Error opening Ignition project with IPv6 address

Testing this with Ignition v7.6.7, Java 8, Windows 7

I am getting this error when trying to launch a project from a client using an IPv6 URL to the Gateway server. I can see the Gateway homepage from the client using the IPv6 URL.

I can also successfully launch the same project from the same client using an IPv4 URL. Does Ignition support launching clients using an IPv6 address?