anchor.diff:  OptaPlanner 7.x now requires Java 8 or higher to run. The 6.x releases remain compatible with Java 6 or higher.
   
   The API and implementation now make use of Java 7 and Java 8 features (such as lamdba's).
  +
   
   === No longer needed to implement the `Solution` interface
   
  
positive.code: <iframe width="853" height="480" src="https://www.youtube.com/embed/ksXjQ851RAU?rel=0" frameborder="0" allowfullscreen></iframe>
  +++
  
  === Other improvements
  
  * Booleans are now supported by `ValueRangeFactory` too: `createBooleanValueRange()`
  
negative.code: 
  Contributed by Lukáš Petrovický.
  
  
  === No longer needed to define the score type in the solver configuration
  
  Planner now picks it up automatically from the domain model.
  
  
  === New JAXB and Jackson support and improved XStream support
  
  