So, features?

Intersection Types Implemented
Union Types Implemented
Type lambdas Implemented
Context query Implemented
Trait parameters Implemented
Implied Instances Implemented
Inferable parameters Implemented
Extension Methods Implemented
Opaque Type Aliases Implemented
Toplevel definitions Implemented
Export clauses Implemented
Vararg patterns Implemented
Creator applications Implemented
@static methods and fields Implemented
SBT incremental build Implemented
Option-less pattern matching Implemented
Multiversal equality Implemented
Erased Terms Implemented
Auto-Specialization In progress
Whole program optimizer In progress
HList & HMaps/Record types In progress
Effects Considered
…and many more, check the overview page for a comprehensive list

Talks on Dotty?

I have more questions!

That’s great! We have more details on the docs and please join our Gitter channel!