This plugin is used to inform your users of the changes that have occured between different releases of your project. The plugin can extract these changes, either from a changes.xml file or from the JIRA issue management system, and present them as a report. You also have the option of creating a release announcement and even sending this via email to your users.
Instructions on how to use the Changes Plugin can be found here .
To provide you with better understanding of some usages of the Changes Plugin, you can take a look at the following examples: