Index: /trunk/src/org/openstreetmap/josm/actions/ShowStatusReportAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/ShowStatusReportAction.java	(revision 16530)
+++ /trunk/src/org/openstreetmap/josm/actions/ShowStatusReportAction.java	(revision 16531)
@@ -22,6 +22,9 @@
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
+
+import javax.swing.UIManager;
 
 import org.openstreetmap.josm.data.Preferences;
@@ -92,4 +95,6 @@
             .append(getSystemProperty("java.vendor")).append(", ")
             .append(getSystemProperty("java.vm.name"))
+            .append("\nLook and Feel: ")
+            .append(Optional.ofNullable(UIManager.getLookAndFeel()).map(laf -> laf.getClass().getName()).orElse("null"))
             .append("\nScreen: ");
         if (!GraphicsEnvironment.isHeadless()) {