--- a/website/release-1.21.html
+++ b/website/release-1.21.html
@@ -57,6 +57,12 @@
 
       <h2>Minor releases</h2>
       <ul>
+        <li>1.21.4:
+          <ul>
+            <li>Fixed bug which would crash the GUI when clicking an
+              Open link after modifying the indexing configuration
+              through the GUI tool.</li>
+          </ul>
         <li>1.21.3: 
         <ul>
           <li>Web cache: fixed the GUI config to not cap the size at