diff --git a/appdefs.xml b/appdefs.xml
index 5ef9f3d..1e2cb31 100644
--- a/appdefs.xml
+++ b/appdefs.xml
@@ -69,6 +69,12 @@ details.
     </documentation>
     <!-- Changelog of the application. -->
     <history>
+      <release>
+        <version>1.3.0</version>
+        <date>2018-07-27</date>
+        <change>Added support for more playable video formats.</change>
+        <change>Added support for sound in Firefox.</change>
+      </release>
       <release>
         <version>1.2.0</version>
         <date>2018-07-12</date>