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: 
  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
  
  
negative.code: 
  See the documentation on how to configure them.
  
  
  === New module `optaplanner-test` with JUnit testing support
  
  To test each score rule individually, to assure it does what the business expects it to do,
  use the new `ScoreVerifier` support classes in `optaplanner-test`.
  
  
  === New example: Task assigning
  
  Assign tasks to employee and take into account required skills, affinity with the customer and task priority.
  