[FIXED JENKINS-14696] Don't automatically re-sort matrix axes in alphanumeric order on reload

changelog.html

@@ -55,7 +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=>
+  <li class=bug>
+    Matrix configuration axes are no longer automatically re-ordered to alphanumeric order on reload.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-14696">issue 14696</a>)
 </ul>
 </div><!--=TRUNK-END=-->
 

core/src/main/java/hudson/matrix/MatrixProject.java

@@ -466,7 +466,6 @@ public class MatrixProject extends AbstractProject<MatrixProject,MatrixBuild> im
     @Override
     public void onLoad(ItemGroup<? extends Item> parent, String name) throws IOException {
         super.onLoad(parent,name);
-        Collections.sort(axes); // perhaps the file was edited on disk and the sort order might have been broken
         builders.setOwner(this);
         publishers.setOwner(this);
         buildWrappers.setOwner(this);