SweetDEV RIA 3.3 has been released. This version correct some bugs, and improve the performances of the Grid component. Check all the changes at the following location : http://sweetdev-ria.sourceforge.net/sweetdev-ria3.3/changes-report.html#a3.3.
Be careful :
From this version each web application must have a ria-config.xml with the following line :
<property key="sweetdev-ria.resources.server.url" value="/your_application_context"/>
For example if you are deploying the application demo.war on a basic tomcat you should put the value "/demo"