Changelog entry for JENKINS-11256

changelog.html

@@ -61,6 +61,9 @@ Upcoming changes</a>
   <li class=bug>
     Fixed NPE in Subversion polling of Maven jobs.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-11592">issue 11592</a>)
+  <li class=bug>
+    Fixed ConcurrentModificationException in parallel Maven 3 builds.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-11256">issue 11256</a>)
   <li class=rfe>
     CLI jar now has the version number in the manifest as well as the "-version" option.
 </ul>