However, note that the 1.0.0 release is not binary compatible with the 0.6.x version or with previous milestones and release candidates of the 1.x series. Libraries must be recompiled and republished using the 1.0.0 version. Several core Scala/Scala.js libraries already have been made available for Scala 1.0.0.
Scala is a functional, object-oriented language for the JVM. It has been leveraged in the Akka toolkit for distributed applications.