Now the new release of Struts 2 framework is available with new features and enhancements. Now there is no need to add struts-default.xml in struts.xml file. The struts-default.xml is now automatically included with all configuration blocks.
Here are the list of enhancements and new features
You can download Struts 2.0.1 from http://struts.apache.org/.
Recommend the tutorial