Hibernate Search 3.0.0.Beta2 is out with a bunch of new interesting
features:
* shared Lucene IndexReader, significantly increasing the
performances especially in read mostly applications
* ability to customize the object graph fetching strategy
* properties projection from the Lucene index
* ability to sort queries (thanks to Hardy Ferentschik)
* expose the total number of matching results regardless of
pagination
* and some other surprises and bug fixes
Check
http://blog.hibernate.org/cgi-bin/blosxom.cgi/
2007/05/31#HSearch-3.0.0.Beta2 for more information.