Update with Mynewt 1.9.0 and NimBLE 1.4.0 release
diff --git a/docs/themes/mynewt/main-banner.html b/docs/themes/mynewt/main-banner.html
index 0e661d1..6125dd8 100644
--- a/docs/themes/mynewt/main-banner.html
+++ b/docs/themes/mynewt/main-banner.html
@@ -8,7 +8,7 @@
         </div>
         <div class="news-cell">
             <div class="well">
-                <h4>Latest News:</h4> <a href="/download">Apache Mynewt 1.8.0, Apache NimBLE 1.3.0 </a> released (April 9, 2020)
+                <h4>Latest News:</h4> <a href="/download">Apache Mynewt 1.9.0, Apache NimBLE 1.4.0 </a> released (April 7, 2021)
             </div>
         </div>
     </div>
diff --git a/docs/themes/mynewt/versions.html b/docs/themes/mynewt/versions.html
index 2736d0f..1a44a8b 100644
--- a/docs/themes/mynewt/versions.html
+++ b/docs/themes/mynewt/versions.html
@@ -3,6 +3,9 @@
   <option value="/latest" selected>
     Version: latest
   </option>
+  <option value="/v1_9_0" {% if cur_version == "1.9.0" %}selected="selected" {% endif %}>
+    Version: 1.9.0
+  </option>
   <option value="/v1_8_0" {% if cur_version == "1.8.0" %}selected="selected" {% endif %}>
     Version: 1.8.0
   </option>