diff --git a/updates.xml b/updates.xml
index 7e29505..310d0ec 100644
--- a/updates.xml
+++ b/updates.xml
@@ -1,99 +1,17 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <!-- Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
  SPDX-License-Identifier: GPL-3.0-or-later
- VERSION: 03.10.18
+ VERSION: 03.10.23
+ NOTE: This repository is RETIRED. Only the stable channel remains.
+ All future development is at https://git.mokoconsulting.tech/MokoConsulting/MokoOnyx
  -->
 
 <updates>
 
-  <!-- 1. DEVELOPMENT — dev → -->
+  <!-- STABLE — final MokoCassiopeia release (retired) -->
   <update>
     <name>MokoCassiopeia</name>
-    <description>MokoCassiopeia development build — unstable.</description>
-    <element>mokocassiopeia</element>
-    <type>template</type>
-    <client>site</client>
-    <version>03.10.21</version>
-    <creationDate>2026-04-21</creationDate>
-    <infourl title='MokoCassiopeia Dev'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/tag/development</infourl>
-    <downloads>
-      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/download/development/mokocassiopeia-03.10.21-dev.zip</downloadurl>
-    </downloads>
-    <sha256>2d21714719dd3e3d87228e1d021d5fc69a96a837a9ec2d5880da733eb28fa5d0</sha256>
-    <tags><tag>development</tag></tags>
-    <maintainer>Moko Consulting</maintainer>
-    <maintainerurl>https://mokoconsulting.tech</maintainerurl>
-    <targetplatform name='joomla' version='(5|6).*'/>
-    <php_minimum>8.1</php_minimum>
-  </update>
-
-  <!-- 2. ALPHA — dev → alpha → -->
-  <update>
-    <name>MokoCassiopeia</name>
-    <description>MokoCassiopeia alpha build — early testing.</description>
-    <element>mokocassiopeia</element>
-    <type>template</type>
-    <client>site</client>
-    <version>03.10.13</version>
-    <creationDate>2026-04-19</creationDate>
-    <infourl title='MokoCassiopeia Alpha'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/tag/alpha</infourl>
-    <downloads>
-      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/download/alpha/mokocassiopeia-03.10.13.zip</downloadurl>
-    </downloads>
-    <sha256></sha256>
-    <tags><tag>alpha</tag></tags>
-    <maintainer>Moko Consulting</maintainer>
-    <maintainerurl>https://mokoconsulting.tech</maintainerurl>
-    <targetplatform name='joomla' version='(5|6).*'/>
-    <php_minimum>8.1</php_minimum>
-  </update>
-
-  <!-- 3. BETA — dev → alpha → beta → -->
-  <update>
-    <name>MokoCassiopeia</name>
-    <description>MokoCassiopeia beta build — feature complete, stability testing.</description>
-    <element>mokocassiopeia</element>
-    <type>template</type>
-    <client>site</client>
-    <version>03.10.13</version>
-    <creationDate>2026-04-19</creationDate>
-    <infourl title='MokoCassiopeia Beta'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/tag/beta</infourl>
-    <downloads>
-      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/download/beta/mokocassiopeia-03.10.13.zip</downloadurl>
-    </downloads>
-    <sha256></sha256>
-    <tags><tag>beta</tag></tags>
-    <maintainer>Moko Consulting</maintainer>
-    <maintainerurl>https://mokoconsulting.tech</maintainerurl>
-    <targetplatform name='joomla' version='(5|6).*'/>
-    <php_minimum>8.1</php_minimum>
-  </update>
-
-  <!-- 4. RC — dev → alpha → beta → rc → -->
-  <update>
-    <name>MokoCassiopeia</name>
-    <description>MokoCassiopeia release candidate — testing only.</description>
-    <element>mokocassiopeia</element>
-    <type>template</type>
-    <client>site</client>
-    <version>03.10.13</version>
-    <creationDate>2026-04-19</creationDate>
-    <infourl title='MokoCassiopeia RC'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/tag/release-candidate</infourl>
-    <downloads>
-      <downloadurl type='full' format='zip'>https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/download/release-candidate/mokocassiopeia-03.10.13.zip</downloadurl>
-    </downloads>
-    <sha256></sha256>
-    <tags><tag>rc</tag></tags>
-    <maintainer>Moko Consulting</maintainer>
-    <maintainerurl>https://mokoconsulting.tech</maintainerurl>
-    <targetplatform name='joomla' version='(5|6).*'/>
-    <php_minimum>8.1</php_minimum>
-  </update>
-
-  <!-- 5. STABLE — dev → alpha → beta → rc → version/XX → main -->
-  <update>
-    <name>MokoCassiopeia</name>
-    <description>Moko Consulting's site template based on Cassiopeia.</description>
+    <description>MokoCassiopeia is retired. Please install MokoOnyx instead.</description>
     <element>mokocassiopeia</element>
     <type>template</type>
     <client>site</client>