No php7 compatibility. It feels like this project is dead, or moved to private pay.
We use the community version 3.5.1.5 in production, but it's in need of updating. I have found a 3.6.0RC on github, but not sure if it's official, or not. I haven't yet had a chance to trial it, but I see nothing significant that would make it play nice with php7.
Is there a desire to fork this project, and rebuild it for the future? (ie, php7)