<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-changes-plugin</artifactId>
<version>2.0</version>
<configuration>
<issueLinkTemplate>http://mycompany.org/mantis//view.php?id=%ISSUE%</issueLinkTemplate>
</configuration>
</plugin>
Fixed in r650961
.