We announced it few days back. It's now there: the new Unified Xen Orchestra virtual Appliance.
You can download it here.
Easy migration from the previous XOA
2 steps only: export the configuration from your existing XOA, in "Settings/Config" view:
And then, import it in the new one with a simple drag and drop:
That's it! Don't forget to refresh your browser to be sure everything is OK.
Faster, better, stronger
Firewall, ready for SSH support, better shell, faster because of PVHVM mode, using Debian 8, more secure with a changed password after the first login and a lot of other cool stuff. Don't forget to read the previous blog post on the new XOA.