diff -r 947d0f6a6a83 -r a09d5c59351a src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java
--- a/src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java	Thu Oct 15 13:31:52 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/modules/ProjectsModule.java	Thu Oct 15 14:01:49 2020 +0200
@@ -60,8 +60,10 @@
 
     private static final String SESSION_ATTR_SELECTED_PROJECT = fqn(ProjectsModule.class, "selected_project");
     private static final String SESSION_ATTR_SELECTED_VERSION = fqn(ProjectsModule.class, "selected_version");
+    private static final String SESSION_ATTR_SELECTED_COMPONENT = fqn(ProjectsModule.class, "selected_component");
     private static final String PARAMETER_SELECTED_PROJECT = "pid";
     private static final String PARAMETER_SELECTED_VERSION = "vid";
+    private static final String PARAMETER_SELECTED_COMPONENT = "cid";
 
     @Override
     protected String getResourceBundleName() {
@@ -84,6 +86,7 @@
     private void populate(ProjectView viewModel, HttpServletRequest req, DataAccessObjects dao) throws SQLException {
         final var projectDao = dao.getProjectDao();
         final var versionDao = dao.getVersionDao();
+        final var componentDao = dao.getComponentDao();
 
         projectDao.list().stream().map(ProjectInfo::new).forEach(viewModel.getProjectList()::add);
 
@@ -96,6 +99,7 @@
             } else {
                 final var info = new ProjectInfo(project);
                 info.setVersions(versionDao.list(project));
+                info.setComponents(componentDao.list(project));
                 info.setIssueSummary(projectDao.getIssueSummary(project));
                 viewModel.setProjectInfo(info);
             }
@@ -103,8 +107,20 @@
 
         // Select Version
         final int vid = syncParamWithSession(req, PARAMETER_SELECTED_VERSION, SESSION_ATTR_SELECTED_VERSION);
-        if (vid >= 0) {
+        if (vid > 0) {
             viewModel.setVersionFilter(versionDao.find(vid));
+        } else {
+            // NULL for version means: show all unassigned
+            viewModel.setVersionFilter(null);
+        }
+
+        // Select Component
+        final int cid = syncParamWithSession(req, PARAMETER_SELECTED_COMPONENT, SESSION_ATTR_SELECTED_COMPONENT);
+        if (cid > 0) {
+            viewModel.setComponentFilter(componentDao.find(cid));
+        } else if (cid <= 0) {
+            // -1 means: filter for unassigned, null means: show all
+            viewModel.setComponentFilter(new Component(-1));
         }
     }