diff --git a/.gitea/ISSUE_TEMPLATE/release-process.md b/.gitea/ISSUE_TEMPLATE/release-process.md
index 294173bf65..4e24d8efa9 100644
--- a/.gitea/ISSUE_TEMPLATE/release-process.md
+++ b/.gitea/ISSUE_TEMPLATE/release-process.md
@@ -72,6 +72,7 @@ Before moving on with Full Freeze, make sure that:
 
 ### Full Freeze
 
+- [ ] [Update appdata.xml](wiki/ReleaseProcess#update-appdataxml)
 - [ ] [Freeze Jenkins](wiki/ReleaseProcess#freeze-jenkins)
 - [ ] [Confirm full freeze](wiki/ReleaseProcess#confirm-full-freeze)
 - [ ] [Announce Release Candidates](wiki/ReleaseProcess#announce-release-candidates)
diff --git a/build/resources/0ad.appdata.xml b/build/resources/0ad.appdata.xml
index b939c28dcf..367f8c59f0 100644
--- a/build/resources/0ad.appdata.xml
+++ b/build/resources/0ad.appdata.xml
@@ -40,6 +40,19 @@
   <url type="translate">https://gitea.wildfiregames.com/0ad/0ad/wiki/Localization</url>
   <url type="donation">https://play0ad.com/community/donate/</url>
   <releases>
+    <release version="0.27.1" date="2025-06-20">
+        <url type="details">https://play0ad.com/patch-release-27-1-for-0-a-d/</url>
+        <description>
+            <p>Wildfire Games proudly announces the first "patch release" of 0 A.D., 0.27.1 for Alpha 27: "Agni".</p>
+            <ul>
+                <li>Critical performance fixes.</li>
+                <li>Graphics fixes for GPU Skinning and Vulkan Renderer.</li>
+                <li>Fix changing perspective in replays.</li>
+                <li>Port Forwarding and Multiplayer Lobby password fixes.</li>
+                <li>Various crash fixes, build fixes for Linux.</li>
+            </ul>
+        </description>
+    </release>
     <release version="0.27.0" date="2025-01-30">
         <url type="details">https://play0ad.com/new-release-0-a-d-alpha-27-agni/</url>
         <description>