diff --git a/community/lists/hwloc.php b/community/lists/hwloc.php
index f8873e372..0696e80a1 100644
--- a/community/lists/hwloc.php
+++ b/community/lists/hwloc.php
@@ -19,6 +19,16 @@
 
 <p><center><hr width=50%></center>
 
+<h2 align=center><font color=red>NOTE:</font> New subscriptions to
+the mailing lists curently broken.</h2>
+
+<h2 align=center>Please <a
+href="https://github.com/open-mpi/hwloc/issues/new/choose">create a
+GitHub issue with any questions</a> until we can get the mailing lists
+fixed.</h2>
+
+<p><center><hr width=50%></center>
+
 <P>The following lists are available for the <a href="<?php
 print($topdir); ?>/projects/hwloc/">hwloc</a> community:</p>
 
diff --git a/community/lists/mtt.php b/community/lists/mtt.php
index 762fad292..368d5fc48 100644
--- a/community/lists/mtt.php
+++ b/community/lists/mtt.php
@@ -21,6 +21,16 @@
 
 <p><center><hr width=50%></center>
 
+<h2 align=center><font color=red>NOTE:</font> New subscriptions to
+the mailing lists curently broken.</h2>
+
+<h2 align=center>Please <a
+href="https://github.com/open-mpi/mtt/issues/new/choose">create a
+GitHub issue with any questions</a> until we can get the mailing lists
+fixed.</h2>
+
+<p><center><hr width=50%></center>
+
 <P>The following lists are available for the <a href="<?php
 print($topdir); ?>/projects/mtt/">MTT</a> community:</p>
 
diff --git a/community/lists/ompi.php b/community/lists/ompi.php
index b73772560..d1f689285 100644
--- a/community/lists/ompi.php
+++ b/community/lists/ompi.php
@@ -26,6 +26,16 @@
 
 <p><center><hr width=50%></center>
 
+<h2 align=center><font color=red>NOTE:</font> New subscriptions to
+the mailing lists curently broken.</h2>
+
+<h2 align=center>Please <a
+href="https://github.com/open-mpi/ompi/issues/new/choose">create a
+GitHub issue with any questions</a> until we can get the mailing lists
+fixed.</h2>
+
+<p><center><hr width=50%></center>
+
 <P>The following lists are available for the Open MPI community:</p>
 
 <P>
diff --git a/doc/index.php b/doc/index.php
index bcaae475e..8609ffba1 100644
--- a/doc/index.php
+++ b/doc/index.php
@@ -34,10 +34,6 @@
 This documentation reflects the latest progression in the 4.1.x series.
 </li>
 
-<li><a href="v4.0"><strong>v4.0 series</strong></a>.
-This documentation reflects the latest progression in the 4.0.x series.
-</li>
-
 </ul></p>
 
 <h2>Older series (retired, deprecated, or otherwise no longer in
@@ -45,6 +41,10 @@
 
 <p><ul>
 
+<li><a href="v4.0"><strong>v4.0 series</strong></a>.
+This documentation reflects the latest progression in the 4.0.x series.
+</li>
+
 <li><a href="v3.1/"><strong>v3.1 series</strong></a>
 (prior stable release series). This documentation reflects the latest progression in the 3.1.x series.
 The emphasis of this