[Releng] Provide JustJ Java 20 JREs.
diff --git a/setups/org.eclipse.jres.setup b/setups/org.eclipse.jres.setup
index 3367d60..436d909 100644
--- a/setups/org.eclipse.jres.setup
+++ b/setups/org.eclipse.jres.setup
@@ -90,5 +90,30 @@
       Provides the complete set of modules of the JDK, excluding incubators.
     </description>
   </setupTask>
+  <setupTask
+      xsi:type="setup.p2:P2Task"
+      label="JRE 20.0.0">
+    <annotation
+        source="http://www.eclipse.org/oomph/setup/JRESpecificTasks">
+      <content
+          xsi:type="setup:EclipseIniTask"
+          option="--add-opens=java.base/java.lang=ALL-UNNAMED"
+          vm="true"/>
+      <content
+          xsi:type="setup:EclipseIniTask"
+          option="-Djava.security.manager"
+          value="=allow"
+          vm="true"/>
+    </annotation>
+    <requirement
+        name="org.eclipse.justj.openjdk.hotspot.jre.full.feature.group"
+        filter="(|(&amp;(osgi.arch=aarch64)(osgi.os=linux))(&amp;(osgi.arch=aarch64)(osgi.os=macosx))(&amp;(osgi.arch=x86_64)(osgi.os=linux))(&amp;(osgi.arch=x86_64)(osgi.os=macosx))(&amp;(osgi.arch=x86_64)(osgi.os=win32)))"/>
+    <repository
+        url="https://download.eclipse.org/justj/jres/20/updates/release/latest"/>
+    <description>
+      Contains the plug-ins and fragments for the Adoptium OpenJDK Hotspot JRE Complete.
+      Provides the complete set of modules of the JDK, excluding incubators.
+    </description>
+  </setupTask>
   <description>The JRE macro provides tasks for installing JREs from JustJ's p2 update sites</description>
 </setup:Macro>