diff --git a/developers.html b/developers.html
index 63fd3a0f5472cf60c4a0f85e9c58f83200a967d0..b7efed5f77cef044337f768d4732fc147611d23e 100644
--- a/developers.html
+++ b/developers.html
@@ -602,49 +602,51 @@ Note that the -d switch is necessary for domain users.
           
           <li>
               DIS Standard:
-              <a href="https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6387562">IEEE Standard 1278.1-2012 for Distributed Interactive Simulation--Application Protocols</a>
+              <a href="https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=6387562"> target="blank"IEEE Standard 1278.1-2012 for Distributed Interactive Simulation--Application Protocols</a>
               <ul>
                   <li>
                       Prior version:
-                      <a href="https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=3700">IEEE Standard 1278.1-1995(R2002) for DIS</a>)
+                      <a href="https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=3700" target="blank">IEEE Standard 1278.1-1995(R2002) for DIS</a>)
                   </li>
                   <li>
-                      <a href="https://www.sisostds.org/DigitalLibrary.aspx?EntryId=29288">DIS 7 Overview, SISO PSG File Library</a>
+                      <a href="https://www.sisostds.org/DigitalLibrary.aspx?EntryId=29288" target="blank">DIS 7 Overview, SISO PSG File Library</a>
                       reference documents
                   </li>
                   <li>
-                      <a href="documents/SISO-REF-020-DRAFT%20DIS%20Plain%20and%20Simple-20131107.pdf">DIS Plain and Simple Guide</a>
-                     (<a href="https://savage.nps.edu/Savage/documents/SISO-REF-020-DRAFT%20DIS%20Plain%20and%20Simple-20131107.pdf">online</a>),
+                      <a href="documents/SISO-REF-020-DRAFT%20DIS%20Plain%20and%20Simple-20131107.pdf" target="blank">DIS Plain and Simple Guide</a>
+                     (<a href="https://savage.nps.edu/Savage/documents/SISO-REF-020-DRAFT%20DIS%20Plain%20and%20Simple-20131107.pdf" target="blank">online</a>),
                       SISO-REF-020-2007-DRAFT, March 2007
-                      (<a href="https://www.sisostds.org/Standards-Activities/Support-Groups/DIS-PSG-Distributed-Interactive-Simulation">status</a>).
+                      (<a href="https://www.sisostds.org/Standards-Activities/Support-Groups/DIS-PSG-Distributed-Interactive-Simulation" target="blank">status</a>).
                   </li>
               </ul>
           </li>
           
           <li>
-               <a href="https://open-dis.sourceforge.net/Open-DIS.html">Open-DIS</a>
+               Legacy
+               <a href="https://open-dis.sourceforge.net/Open-DIS.html" target="blank">Open-DIS</a>
                implementation of the
                DIS protocol
                in Java, Javascript, C++, C# and Objective&nbsp;C
-              (<a href="https://savage.nps.edu/X3D-Edit/Open-DIS-flyer.pdf">flyer</a>).
+              (<a href="https://savage.nps.edu/X3D-Edit/Open-DIS-flyer.pdf" target="blank">flyer</a>).
               <ul>
                   <li>
-                      <a href="https://open-dis.sourceforge.net/Open-DIS.html">Open-DIS home</a>,
-                      <a href="https://sourceforge.net/projects/open-dis">sourceforge site</a>,
+                      <a href="https://open-dis.sourceforge.net/Open-DIS.html" target="blank">Open-DIS home</a>,
+                      <a href="https://sourceforge.net/projects/open-dis" target="blank">sourceforge site</a>,
                       and
-                      <a href="https://open-dis.sourceforge.net/Documentation.html">documentation</a>
+                      <a href="https://open-dis.sourceforge.net/Documentation.html" target="blank">documentation</a>
                   </li>
                   <li>
-                      <a href="http://jsperf.com/javascript-dis-native-vs-json/2">Javascript DIS Native vs JSON</a>
+                      <a href="http://jsperf.com/javascript-dis-native-vs-json/2" target="blank">Javascript DIS Native vs JSON</a>
                       browser-performance comparisons
                   </li>
                   <li>
                       Application:
-                      <a href="https://savage.nps.edu/AuvWorkbench">Autonomous Unmanned Vehicle (AUV) Workbench</a>
+                      <a href="https://savage.nps.edu/AuvWorkbench" target="blank">Autonomous Unmanned Vehicle (AUV) Workbench</a>
                   </li>
                   <li>
                       Application:
-                      <a href="https://savage.nps.edu/X3D-Edit/#Open-DIS">X3D-Edit</a>
+                      <a href="https://savage.nps.edu/X3D-Edit" target="blank">X3D-Edit</a>
+                      includes support for recording and playing back DIS PDU streams
                   </li>
                 <li>
                     Library: the DES modeling tools Simkit and Viskit are supported by 
@@ -663,7 +665,7 @@ Note that the -d switch is necessary for domain users.
                     <!-- TODO Sakai site -->
                   </li>
                   <li>
-                    <a href="https://x3dgraphics.com/slidesets/X3dForAdvancedModeling/DistributedInteractiveSimulation.pdf">X3D Graphics and DIS</a>
+                    <a href="https://x3dgraphics.com/slidesets/X3dForAdvancedModeling/DistributedInteractiveSimulation.pdf" target="blank">X3D Graphics and DIS</a>
                     slideset
                   </li>
                   <li>
@@ -673,15 +675,15 @@ Note that the -d switch is necessary for domain users.
           </li>
           
           <li>
-              <a href="https://www.sisostds.org/ProductsPublications/ReferenceDocuments.aspx">SISO Reference Documents</a> include
+              <a href="https://www.sisostds.org/ProductsPublications/ReferenceDocuments.aspx" target="blank">SISO Reference Documents</a> include
               <ul>
                   <li>
-					  <!-- https://stackoverflow.com/questions/16622504/escaping-ampersand-in-url to encode ampersand & as %26 -->
-					  <!-- https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters -->
-                      <a href="https://www.sisostds.org/DigitalLibrary.aspx?Command=Core_Download%26EntryId=41275">SISO-REF-010-01-2013 (v2-0)</a>: Operations Manual for the Enumerations Working Group (EWG)
+                        <!-- https://stackoverflow.com/questions/16622504/escaping-ampersand-in-url to encode ampersand & as %26 -->
+                        <!-- https://en.wikipedia.org/wiki/Percent-encoding#Percent-encoding_reserved_characters -->
+                        <a href="https://www.sisostds.org/DigitalLibrary.aspx?Command=Core_Download%26EntryId=47284">SISO-REF-010-01-2019</a>: Operations Manual for the Enumerations Working Group (EWG)
                   </li>
                   <li>
-                      <a href="https://www.sisostds.org/DigitalLibrary.aspx?Command=Core_Download%26EntryId=41145">SISO-REF-010-00-2013 (v20-0)</a>: Reference for Enumerations for Simulation Interoperability
+                      <a href="https://www.sisostds.org/DigitalLibrary.aspx?Command=Core_Download%26EntryId=46172">SISO-REF-010-00-2023 (v31)</a>: Reference for Enumerations for Simulation Interoperability
                       <ul>
                           <li>
                               Also known as Enumeration Byte Values (EBV)
@@ -696,7 +698,7 @@ Note that the -d switch is necessary for domain users.
                              (<a href="mailto:SISO-ENUM@discussions.sisostds.org?SISO-ENUMerations:%20">thread</a>)
                           </li>
                           <li>
-                              <a href="https://open-dis.sourceforge.net/javadoc/disenum/docs">open-DIS Enumerations Javadoc</a>
+                              <a href="https://savage.nps.edu/opendis7-java">openDis7 Enumerations Javadoc</a>
                           </li>
                       </ul>
                   </li>
@@ -3146,7 +3148,7 @@ which can lead to the Internet of Things becoming the Web of Things. </i>
             <a href="https://savage.nps.edu/developers.html">https://savage.nps.edu/developers.html</a>
         </blockquote>
         <blockquote>
-            Revised 13 April 2023
+            Revised 21 April 2023
         </blockquote>
 
         <p>