Using the Clirr plugin
Make sure you have the Clirr plugin installed.
Make sure you have the old versions of your project
in your POM. The versions should be declared from oldest to youngest.
Clirr will check the current code against the latest released version, ingnoring
the current development version (version control tag 'HEAD').
Type "maven clirr". This will create an XML file that contains all changes
in your public API. For each change, the file includes Clirr's compatibility