There aren't any specific 4.0 features that I'm missing at the moment. The issue for me was just being able to connect to the Aura cluster and not an individual server. However, after finding out about the "neo4j+s://" scheme, this solved my issue.
S...
+1 for needing to know when 4.0 will be coming out!
A big headache right now is that you can't use the latest .NET driver to connect in to 3.5. Since you have to fallback to 1.7.2 (?) in order to connect into a 3.x server, you then can't take advanta...