diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ChangesetDto.java b/scm-core/src/main/java/sonia/scm/api/v2/resources/ChangesetDto.java
similarity index 100%
rename from scm-webapp/src/main/java/sonia/scm/api/v2/resources/ChangesetDto.java
rename to scm-core/src/main/java/sonia/scm/api/v2/resources/ChangesetDto.java
diff --git a/scm-core/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java b/scm-core/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java
new file mode 100644
index 0000000000..cd7d7ecebe
--- /dev/null
+++ b/scm-core/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java
@@ -0,0 +1,14 @@
+package sonia.scm.api.v2.resources;
+
+import org.mapstruct.Context;
+import org.mapstruct.Mapping;
+import sonia.scm.repository.Changeset;
+import sonia.scm.repository.Repository;
+
+public interface ChangesetToChangesetDtoMapper {
+
+  @Mapping(target = "attributes", ignore = true) // We do not map HAL attributes
+  ChangesetDto map(Changeset changeset, @Context Repository repository);
+
+
+}
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/PersonDto.java b/scm-core/src/main/java/sonia/scm/api/v2/resources/PersonDto.java
similarity index 100%
rename from scm-webapp/src/main/java/sonia/scm/api/v2/resources/PersonDto.java
rename to scm-core/src/main/java/sonia/scm/api/v2/resources/PersonDto.java
diff --git a/scm-ui-components/packages/ui-components/src/navigation/PrimaryNavigation.js b/scm-ui-components/packages/ui-components/src/navigation/PrimaryNavigation.js
index f2401729d6..897c63138e 100644
--- a/scm-ui-components/packages/ui-components/src/navigation/PrimaryNavigation.js
+++ b/scm-ui-components/packages/ui-components/src/navigation/PrimaryNavigation.js
@@ -50,8 +50,19 @@ class PrimaryNavigation extends React.Component<Props> {
 
   createNavigationItems = () => {
     const navigationItems = [];
+    const { t, links } = this.props;
+
+    const props = {
+      links,
+      label: t("primary-navigation.first-menu")
+    };
 
     const append = this.createNavigationAppender(navigationItems);
+    if (binder.hasExtension("primary-navigation.first-menu", props)) {
+      navigationItems.push(
+        <ExtensionPoint name="primary-navigation.first-menu" props={props} />
+      );
+    }
     append("/repos", "/(repo|repos)", "primary-navigation.repositories", "repositories");
     append("/users", "/(user|users)", "primary-navigation.users", "users");
     append("/groups", "/(group|groups)", "primary-navigation.groups", "groups");
diff --git a/scm-ui/src/containers/Main.js b/scm-ui/src/containers/Main.js
index d2bc50faf2..e963fb00f9 100644
--- a/scm-ui/src/containers/Main.js
+++ b/scm-ui/src/containers/Main.js
@@ -10,7 +10,7 @@ import Login from "../containers/Login";
 import Logout from "../containers/Logout";
 
 import { ProtectedRoute } from "@scm-manager/ui-components";
-import { ExtensionPoint } from "@scm-manager/ui-extensions";
+import {binder,  ExtensionPoint } from "@scm-manager/ui-extensions";
 
 import AddUser from "../users/containers/AddUser";
 import SingleUser from "../users/containers/SingleUser";
@@ -32,10 +32,15 @@ type Props = {
 class Main extends React.Component<Props> {
   render() {
     const { authenticated, links } = this.props;
+    const redirectUrlFactory = binder.getExtension("main.redirect", this.props);
+    let url ="/repos";
+    if (redirectUrlFactory){
+      url = redirectUrlFactory(this.props);
+    }
     return (
       <div className="main">
         <Switch>
-          <Redirect exact path="/" to="/repos" />
+          <Redirect exact path="/" to={url}/>
           <Route exact path="/login" component={Login} />
           <Route path="/logout" component={Logout} />
           <ProtectedRoute
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/DefaultChangesetToChangesetDtoMapper.java
similarity index 92%
rename from scm-webapp/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java
rename to scm-webapp/src/main/java/sonia/scm/api/v2/resources/DefaultChangesetToChangesetDtoMapper.java
index 16e33aac5f..479a43aef1 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/ChangesetToChangesetDtoMapper.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/DefaultChangesetToChangesetDtoMapper.java
@@ -24,7 +24,7 @@ import static de.otto.edison.hal.Link.link;
 import static de.otto.edison.hal.Links.linkingTo;
 
 @Mapper
-public abstract class ChangesetToChangesetDtoMapper extends HalAppenderMapper implements InstantAttributeMapper {
+public abstract class DefaultChangesetToChangesetDtoMapper extends HalAppenderMapper implements InstantAttributeMapper, ChangesetToChangesetDtoMapper{
 
   @Inject
   private RepositoryServiceFactory serviceFactory;
@@ -68,6 +68,7 @@ public abstract class ChangesetToChangesetDtoMapper extends HalAppenderMapper im
     Links.Builder linksBuilder = linkingTo()
       .self(resourceLinks.changeset().self(repository.getNamespace(), repository.getName(), source.getId()))
       .single(link("diff", resourceLinks.diff().self(namespace, name, source.getId())))
+      .single(link("sources", resourceLinks.source().self(namespace, name, source.getId())))
       .single(link("modifications", resourceLinks.modifications().self(namespace, name, source.getId())));
 
 
diff --git a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/MapperModule.java b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/MapperModule.java
index 859a6481f6..c74f16ad70 100644
--- a/scm-webapp/src/main/java/sonia/scm/api/v2/resources/MapperModule.java
+++ b/scm-webapp/src/main/java/sonia/scm/api/v2/resources/MapperModule.java
@@ -28,7 +28,7 @@ public class MapperModule extends AbstractModule {
     bind(RepositoryPermissionDtoToRepositoryPermissionMapper.class).to(Mappers.getMapper(RepositoryPermissionDtoToRepositoryPermissionMapper.class).getClass());
     bind(RepositoryPermissionToRepositoryPermissionDtoMapper.class).to(Mappers.getMapper(RepositoryPermissionToRepositoryPermissionDtoMapper.class).getClass());
 
-    bind(ChangesetToChangesetDtoMapper.class).to(Mappers.getMapper(ChangesetToChangesetDtoMapper.class).getClass());
+    bind(ChangesetToChangesetDtoMapper.class).to(Mappers.getMapper(DefaultChangesetToChangesetDtoMapper.class).getClass());
     bind(ChangesetToParentDtoMapper.class).to(Mappers.getMapper(ChangesetToParentDtoMapper.class).getClass());
 
     bind(TagToTagDtoMapper.class).to(Mappers.getMapper(TagToTagDtoMapper.class).getClass());
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/BranchRootResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/BranchRootResourceTest.java
index 4994c11b08..9216922e19 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/BranchRootResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/BranchRootResourceTest.java
@@ -82,7 +82,7 @@ public class BranchRootResourceTest extends RepositoryTestBase {
 
 
   @InjectMocks
-  private ChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
+  private DefaultChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
 
   private final Subject subject = mock(Subject.class);
   private final ThreadState subjectThreadState = new SubjectThreadState(subject);
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetCollectionToDtoMapperTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetCollectionToDtoMapperTest.java
index 69695279e6..7653fbe122 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetCollectionToDtoMapperTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetCollectionToDtoMapperTest.java
@@ -1,6 +1,5 @@
 package sonia.scm.api.v2.resources;
 
-import org.assertj.core.api.Assertions;
 import org.junit.Test;
 import sonia.scm.PageResult;
 import sonia.scm.repository.Changeset;
@@ -17,7 +16,7 @@ public class ChangesetCollectionToDtoMapperTest {
 
   public static final Repository REPOSITORY = new Repository("", "git", "space", "name");
   public static final Changeset CHANGESET = new Changeset();
-  private final ChangesetToChangesetDtoMapper changesetToChangesetDtoMapper = mock(ChangesetToChangesetDtoMapper.class);
+  private final DefaultChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper = mock(DefaultChangesetToChangesetDtoMapperImpl.class);
 
   private final ChangesetCollectionToDtoMapper changesetCollectionToDtoMapper = new ChangesetCollectionToDtoMapper(changesetToChangesetDtoMapper, ResourceLinksMock.createMock(URI.create("/")));
 
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetRootResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetRootResourceTest.java
index d5c0f91f81..952c8504f6 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetRootResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/ChangesetRootResourceTest.java
@@ -65,7 +65,7 @@ public class ChangesetRootResourceTest extends RepositoryTestBase {
   private ChangesetCollectionToDtoMapper changesetCollectionToDtoMapper;
 
   @InjectMocks
-  private ChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
+  private DefaultChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
 
   private ChangesetRootResource changesetRootResource;
 
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/FileHistoryResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/FileHistoryResourceTest.java
index 52c9a434c0..a8b3c15158 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/FileHistoryResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/FileHistoryResourceTest.java
@@ -66,7 +66,7 @@ public class FileHistoryResourceTest extends RepositoryTestBase {
   private FileHistoryCollectionToDtoMapper fileHistoryCollectionToDtoMapper;
 
   @InjectMocks
-  private ChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
+  private DefaultChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
 
   private FileHistoryRootResource fileHistoryRootResource;
 
diff --git a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/IncomingRootResourceTest.java b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/IncomingRootResourceTest.java
index e4495a0455..b965c2f2c3 100644
--- a/scm-webapp/src/test/java/sonia/scm/api/v2/resources/IncomingRootResourceTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/api/v2/resources/IncomingRootResourceTest.java
@@ -74,7 +74,7 @@ public class IncomingRootResourceTest extends RepositoryTestBase {
   private IncomingChangesetCollectionToDtoMapper incomingChangesetCollectionToDtoMapper;
 
   @InjectMocks
-  private ChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
+  private DefaultChangesetToChangesetDtoMapperImpl changesetToChangesetDtoMapper;
 
   private IncomingRootResource incomingRootResource;