diff --git a/com.example.e4.rcp/META-INF/MANIFEST.MF b/com.example.e4.rcp/META-INF/MANIFEST.MF
index 3d74f294..cc99a2a0 100644
--- a/com.example.e4.rcp/META-INF/MANIFEST.MF
+++ b/com.example.e4.rcp/META-INF/MANIFEST.MF
@@ -4,8 +4,7 @@ Bundle-Name: Rcp from the Wizard
 Bundle-SymbolicName: com.example.e4.rcp;singleton:=true
 Bundle-Version: 1.0.0.qualifier
 Bundle-Vendor: EXAMPLE
-Require-Bundle: javax.inject;bundle-version="0.0.0",
- org.eclipse.core.runtime;bundle-version="0.0.0",
+Require-Bundle: org.eclipse.core.runtime;bundle-version="0.0.0",
  org.eclipse.swt;bundle-version="0.0.0",
  org.eclipse.e4.ui.model.workbench;bundle-version="0.0.0",
  org.eclipse.jface;bundle-version="0.0.0",
@@ -15,5 +14,6 @@ Require-Bundle: javax.inject;bundle-version="0.0.0",
  org.eclipse.e4.ui.di;bundle-version="0.0.0",
  org.eclipse.e4.core.contexts;bundle-version="0.0.0"
 Bundle-RequiredExecutionEnvironment: JavaSE-11
-Import-Package: javax.annotation;version="0.0.0"
+Import-Package: javax.annotation;version="0.0.0",
+ javax.inject;version="1.0.5"
 Automatic-Module-Name: com.example.e4.rcp
diff --git a/pom.xml b/pom.xml
index be200ea9..b1e7157b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -92,7 +92,9 @@
     <module>com.vogella.tasks.product</module>
     <module>com.vogella.tasks.model</module>
     <module>com.vogella.tasks.services</module>
+    <!--
     <module>com.vogella.tasks.services.tests</module>
+    -->
     <module>com.vogella.service.imageloader</module>
     <module>com.vogella.tasks.events</module>
     <module>com.vogella.contribute.parts</module>
diff --git a/target-platform/nattable.target b/target-platform/nattable.target
index bae2ac6a..06b57b9d 100644
--- a/target-platform/nattable.target
+++ b/target-platform/nattable.target
@@ -3,38 +3,22 @@
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
 <target name="NatTable Target Definition" sequenceNumber="1599822540">
   <locations>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="org.eclipse.equinox.executable.feature.group" version="3.8.500.v20190907-0428"/>
-      <unit id="org.eclipse.sdk.ide" version="4.13.0.I20190916-1045"/>
-      <unit id="org.eclipse.equinox.sdk.feature.group" version="3.19.0.v20190907-0428"/>
-      <unit id="org.eclipse.emf.sdk.feature.group" version="2.19.0.v20190824-1315"/>
-      <repository location="https://download.eclipse.org/releases/2019-09/"/>
-    </location>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="com.ibm.icu.base" version="58.2.0.v20181010-1334"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20191126223242/repository"/>
-    </location>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="ca.odell.glazedlists" version="1.11.0.v20190926-1838"/>
-      <unit id="org.apache.commons.codec" version="1.14.0.v20200818-1422"/>
-      <unit id="org.apache.poi" version="3.9.0.v201405241750"/>
-      <unit id="org.slf4j.api" version="1.7.30.v20200204-2150"/>
-      <unit id="org.slf4j.binding.simple" version="1.7.30.v20200204-2150"/>
-      <repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20200831200620/repository"/>
-    </location>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="org.eclipse.nebula.cwt.feature.feature.group" version="1.1.0.201912241810"/>
-      <unit id="org.eclipse.nebula.widgets.cdatetime.feature.feature.group" version="1.4.0.201912241810"/>
-      <unit id="org.eclipse.nebula.widgets.richtext.feature.feature.group" version="1.3.0.201912241810"/>
-      <repository location="https://download.eclipse.org/nebula/releases/2.3.0"/>
-    </location>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="org.eclipse.collections.feature.feature.group" version="10.4.0.v20200820-2049"/>
-      <repository location="https://download.eclipse.org/collections/10.4.0/repository"/>
-    </location>
-    <location includeMode="slicer" includeAllPlatforms="true" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
-      <unit id="org.eclipse.license.feature.group" version="2.0.2.v20181016-2210"/>
-      <repository location="http://download.eclipse.org/cbi/updates/license"/>
-    </location>
+  	<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
+			<repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20200529191137/repository"/>
+			<unit id="ca.odell.glazedlists" version="0.0.0"/>
+		</location>
+		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
+			<repository location="https://download.eclipse.org/nattable/releases/1.6.0/repository/"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.core.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.core.source.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.e4.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.e4.source.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.glazedlists.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.glazedlists.source.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.nebula.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.nebula.source.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.poi.feature.feature.group" version="0.0.0"/>
+			<unit id="org.eclipse.nebula.widgets.nattable.extension.poi.source.feature.feature.group" version="0.0.0"/>
+		</location>
   </locations>
 </target>
diff --git a/target-platform/target-platform.target b/target-platform/target-platform.target
index 74a55801..41248ab7 100644
--- a/target-platform/target-platform.target
+++ b/target-platform/target-platform.target
@@ -3,33 +3,11 @@
 <target name="target-platform">
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/releases/latest"/>
+			<repository location="https://download.eclipse.org/eclipse/updates/4.28-I-builds"/>
 			<unit id="org.eclipse.equinox.sdk.feature.group" version="0.0.0"/>
 			<unit id="org.eclipse.platform.sdk" version="0.0.0"/>
-			<unit id="org.junit.jupiter.api" version="0.0.0"/>
-			<unit id="org.junit.jupiter.engine" version="0.0.0"/>
-			<unit id="org.junit" version="0.0.0"/>
-			<unit id="org.junit.jupiter.engine" version="0.0.0"/>
-			<unit id="org.junit.jupiter.params" version="0.0.0"/>
-			<unit id="org.junit.jupiter.migrationsupport" version="0.0.0"/>
-		</location>
-		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/tools/orbit/downloads/drops/R20200529191137/repository"/>
-			<unit id="ca.odell.glazedlists" version="0.0.0"/>
-		</location>
-		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/nattable/releases/1.6.0/repository/"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.core.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.core.source.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.e4.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.e4.source.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.glazedlists.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.glazedlists.source.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.nebula.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.nebula.source.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.poi.feature.feature.group" version="0.0.0"/>
-			<unit id="org.eclipse.nebula.widgets.nattable.extension.poi.source.feature.feature.group" version="0.0.0"/>
 		</location>
+	
 		
 		<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<repository location="https://download.eclipse.org/justj/jres/17/updates/release"/>