Thanks for your interest 
We haven’t yet released much about the 3.0. The main reason is that the design-part of the new UI is still under development.
Anyway, we’ll be doing more of that starting now. Here is a quick recording of the new drag and drop that works with multiple selected elements:
One good thing about our team is that we aren’t any good with hyping things up So whatever we make is as good as we promised, or even better. And people aren’t disappointed when we actually release something.