Some of API changes made in Mustang build b59 seem not to have any corresponding CCC request.
JCK team assumes that they should be CCC approved or removed.
The changes in question are listed below with a corresponding build number in brackets.

1.(b60)Default value "com.sun.org.apache.xerces.internal.jaxp.datatype.DatatypeFactoryImpl" removed from field javax.xml.datatype.DatatypeFactory.DATATYPEFACTORY_IMPLEMENTATION_CLASS

The CCC request http://ccc/6330075 (which is still in "accepted" state), proposed to remove 'final' keyword from modifiers list of this field. In fact, instead of it the default value was removed...