The latest changes from Sandia have been uploaded to this site. The major changes are:
Support for nodeset and sideset results variables.
Addtion of entity names for element blocks, sidesets, nodesets, element maps, node maps, element attributes
Multiple optional named node and element maps which can be used for any purpose.
Additional API functions which should make it easier to write models efficiently. Also added some generic functions which apply to multiple entities instead of a function per entity type.
Updated documentation to include coordinate frames, ex_copy, and new functions.