I think this covers what the user cares about better.

changelog.html

@@ -59,8 +59,7 @@ Upcoming changes</a>
     Don't try to set cookies on cachable requests.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-12585">issue 12585</a>)
   <li class=bug>
-    Migrating to Jenkins 1.462 : Bad version number in .class file (unable to load class com.google.common.collect.ImmutableSet).
-    Back to guava 11.0.1 .
+    Fixed a regression in 1.462 that introduced Java6 dependency.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-13659">issue 13659</a>)
 </ul>
 </div><!--=TRUNK-END=-->