It also finally solves the Android Studio bug that would show all the Databinding code as erroneous in the IDE.

The tooling is still a bit rough around the edge compared to the base Android one, mostly because the android tools team really does an awesome job.

It is still useable though, and the language is so much better than java that it is a breeze to use.

The only downside is that you have to interface it with java code, which brings a couple of issues.