used more specific url for target JRE
and
added JRE Feature to STEM.product
diff --git a/org.eclipse.stem/releng/org.eclipse.stem.releng.targetplatforms/STEM4.target b/org.eclipse.stem/releng/org.eclipse.stem.releng.targetplatforms/STEM4.target
index 14e6877..4478977 100644
--- a/org.eclipse.stem/releng/org.eclipse.stem.releng.targetplatforms/STEM4.target
+++ b/org.eclipse.stem/releng/org.eclipse.stem.releng.targetplatforms/STEM4.target
@@ -29,7 +29,7 @@
 			<repository location="http://download.eclipse.org/eclipse/updates/4.18"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-    		<repository location="https://download.eclipse.org/justj/jres/11/updates/release/latest/"/>
+    		<repository location="https://download.eclipse.org/justj/jres/11/updates/release/11.0.2"/>
     		<unit id="org.eclipse.justj.openjdk.hotspot.jre.full" version="0.0.0"/>
 		</location>
 	</locations>
diff --git a/org.eclipse.stem/releng/org.eclipse.stem.tycho.product/STEM.product b/org.eclipse.stem/releng/org.eclipse.stem.tycho.product/STEM.product
index b9876aa..1fd5824 100644
--- a/org.eclipse.stem/releng/org.eclipse.stem.tycho.product/STEM.product
+++ b/org.eclipse.stem/releng/org.eclipse.stem.tycho.product/STEM.product
@@ -564,6 +564,7 @@
    <features>
       <feature id="org.eclipse.stem.product.feature" version="3.0.0.qualifier"/>
       <feature id="org.eclipse.stem.modelgen" version="3.0.0.qualifier"/>
+      <feature id="org.eclipse.justj.openjdk.hotspot.jre.full" installMode="root"/>
    </features>
 
    <configurations>