Apache Commons Neethi-2.0.2 Release Note:

Contains a fix that guarantee proper normalization of
<PolicyReference> elements. 

see: committed revision 548263

Feature List:

Adhere the latest WS-Policy 1.2 specification 
see: http://specs.xmlsoap.org/ws/2004/09/policy/ws-policy.pdf

Provides a convenient API to access and process Policies

Provides an extension model where custom serialization, de-serialization of
assertion can be supported.
see: https://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/secpolicy/

Provides a mechanism where domain specific types can be used assertion within
the generic framework

Provides more control to the assertion authors to control behavior of the 
assertions they implement.