update changelog

changelog.html

@@ -55,6 +55,9 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
+  <li class=bug>
+    Location of the temporary file "Maven Global Settings" incompatible with release:prepare
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-12315">issue 12315</a>)
   <li class=bug>
     Failure to check the username/groupname in the matrix security shouldn't hide the user name
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-9519">issue 9519</a>)