So, Rod Johnson is joining Typesafe. This means that Spring is going to be rewritten in Scala (viz Scaladoc for
AbstractScalaCheckTransactionalFunctionalSpringSpecification); that SpringData is going to start using Slick core and that Spring Framework 3.2 is going to be the last one that will be officially supported on Web[Logic | Sphere]. On the Akka side, starting with 2.2, Akka is going to require WebLogic 12c to run.
Of course not
Nothing dramatic is going to happen to your favourite framework. Scala & Akka is not suddenly going to become infected with Spring's Java-ness; nor does it mean that Spring Framework is going to drop support for the typical Java EE beasts lurking inside your favourite Java EE application server. In fact, I think that Spring Framework is going to send its feelers out into the Scala world, and allow Java programmers to start writing portions of their Spring applications in Scala.
If the adoption of Scala and Akka is the aim, then Rod Johnson joining Typesafe is definitely good news. He brings a name (and experience) that the target companies may recognise. Myself and the entire Cake Solutions team will have much easier position in recommending & introducing Scala and Akka at our consulting gigs, shamelessly using the argument from authority: "but Rod Johnson himself has joined Typesafe!"