In this version the configuration can be done once by project without create Interceptor Stacks using constants.

Also using this constants, you can create custom Interceptor Stacks with diferent configurations, using paratemers.

In 1.5c version released (12/03/2008):
Bugs Fix + Multiple XML packages extend and super class targets for Hibernate Session Allowed

In 1.5b version released (10/24/2008):
Wildcards are allowed in target attribute

http://code.google.com/p/hibernatesession-plugin-for-struts2/