diff --git a/developers.html b/developers.html
index fa45ff1d6311950a3a925f2fdb026cb2e9ac19c8..5aabf8532133d24f778d63de8472d2780671d347 100644
--- a/developers.html
+++ b/developers.html
@@ -1536,13 +1536,13 @@ need to be connected to the NPS intranet.
           <li>
               Includes
               <a href="https://blogs.apache.org/netbeans" target="_blank">Blog</a>,
-              <a href="https://netbeans.apache.org/download/nb123/index.html" target="_NetBeans">NetBeans&nbsp;12.6&nbsp;features</a>,
+              <a href="https://netbeans.apache.org/download/nb123/index.html" target="_NetBeans">NetBeans&nbsp;13&nbsp;features</a>,
               <a href="https://netbeans.apache.org/kb/docs/java" target="_NetBeans">tutorials</a>,
               <a href="https://netbeans.apache.org/community" target="_NetBeans">Community</a>,
               <a href="https://netbeans.apache.org/participate" target="_NetBeans">Participate</a>,
               <a href="https://netbeans.apache.org/help" target="_NetBeans">Get Help</a>,
               <a href="https://netbeans.apache.org/plugins" target="_NetBeans">Plugins</a>,
-              <a href="https://bits.netbeans.org/12.6/javadoc" target="_NetBeans">Documentation</a> and
+              <a href="https://bits.netbeans.org/13/javadoc" target="_NetBeans">Documentation</a> and
               <a href="https://netbeans.apache.org/wiki/index.asciidoc" target="_NetBeans">Developers wiki</a>.
           </li>
           <li>
@@ -1603,7 +1603,7 @@ need to be connected to the NPS intranet.
               <code><b>NETBEANS_HOME/etc/netbeans.conf</b></code>
               locations in the NetBeans installation directory tree:
               <br />
-              <code style="color:darkgreen"><b>C:\Program&nbsp;Files\NetBeans-12.6\netbeans\etc\netbeans.conf</b></code> (default user settings)
+              <code style="color:darkgreen"><b>C:\Program&nbsp;Files\NetBeans-13\netbeans\etc\netbeans.conf</b></code> (default user settings)
              <!--
              <br />
               or, for older versions of NetBeans,
@@ -1631,7 +1631,7 @@ need to be connected to the NPS intranet.
               &nbsp;&nbsp;&nbsp;&nbsp;<code style="color:darkgreen"><b>-J-Djavax.xml.bind.context.factory=com.sun.xml.bind.v2.ContextFactory</b></code>
           </li>
           <li>
-              <i>Tomcat support under Netbeans 12.6 and OpenJDK&nbsp;17.0.1.</i> 
+              <i>Tomcat support under Netbeans 13 and OpenJDK&nbsp;17.0.2.</i> 
               Append the following property to
               <code>netbeans_default_options</code> environment variable:
               <br />
@@ -2495,7 +2495,7 @@ netbeans_jdkhome="C:\Program Files\Java\jdk1.8.0_221"</pre>
               There is a
               <a href="https://issues.apache.org/jira/plugins/servlet/mobile#issue/NETBEANS-5602">Netbeans 12.3 problem with Tomcat</a>
               that should be fixed by
-              <a href="https://cwiki.apache.org/confluence/display/NETBEANS/Apache+NetBeans+12.6">Netbeans 12.4</a>,
+              <a href="https://cwiki.apache.org/confluence/display/NETBEANS/Apache+NetBeans+12.4">Netbeans 12.4</a>,
               appearing in late May according to the
               <a href="https://cwiki.apache.org/confluence/display/NETBEANS/Release+Schedule">Release Schedule</a>.
           </li> -->
@@ -3099,7 +3099,7 @@ 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 12 February 2022.
+            Revised 6 March 2022.
         </blockquote>
 
         <p>