Starting with Java Platform, Standard Edition (J2SE) 5.0, changes to the JVM specification have been developed under the Java Community Process as JSR 924.[3] As of 2006[update], changes to the specification to support changes proposed to the class file format (JSR 202)[4] are being done as a maintenance release of JSR 924. The specification for the JVM was published as the blue book,[5] whose preface states: