Vanilla 2.6 is here! It includes security fixes and requires PHP 7.0. We have therefore ALSO released Vanilla 2.5.2 with security patches if you are still on PHP 5.6 to give you additional time to upgrade.
No, I didn't - I got it set up finally, though.
Now I am struggling to get it to work on two domains. Although I think that it should be possible, I can get it to check if a user is logged in to the first site, but not the second or third sites!
So - how far did you get? If I can help, I will try, but it took me that long, that I can't read my notes anymore!