diff --git a/core/modules/workspaces/src/WorkspaceListBuilder.php b/core/modules/workspaces/src/WorkspaceListBuilder.php
index a6aa53a4da..6b4e9f0193 100644
--- a/core/modules/workspaces/src/WorkspaceListBuilder.php
+++ b/core/modules/workspaces/src/WorkspaceListBuilder.php
@@ -11,209 +11,252 @@
 use Drupal\Core\Render\RendererInterface;
 use Drupal\Core\Url;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\Entity\EntityTypeManager;
 
 /**
  * Defines a class to build a listing of workspace entities.
  *
  * @see \Drupal\workspaces\Entity\Workspace
  */
-class WorkspaceListBuilder extends EntityListBuilder {
-
-  use AjaxHelperTrait;
-
-  /**
-   * The workspace manager service.
-   *
-   * @var \Drupal\workspaces\WorkspaceManagerInterface
-   */
-  protected $workspaceManager;
-
-  /**
-   * The workspace repository service.
-   *
-   * @var \Drupal\workspaces\WorkspaceRepositoryInterface
-   */
-  protected $workspaceRepository;
-
-  /**
-   * The renderer service.
-   *
-   * @var \Drupal\Core\Render\RendererInterface
-   */
-  protected $renderer;
-
-  /**
-   * Constructs a new EntityListBuilder object.
-   *
-   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
-   *   The entity type definition.
-   * @param \Drupal\Core\Entity\EntityStorageInterface $storage
-   *   The entity storage class.
-   * @param \Drupal\workspaces\WorkspaceManagerInterface $workspace_manager
-   *   The workspace manager service.
-   * @param \Drupal\workspaces\WorkspaceRepositoryInterface $workspace_repository
-   *   The workspace repository service.
-   * @param \Drupal\Core\Render\RendererInterface $renderer
-   *   The renderer service.
-   */
-  public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, WorkspaceManagerInterface $workspace_manager, WorkspaceRepositoryInterface $workspace_repository, RendererInterface $renderer) {
-    parent::__construct($entity_type, $storage);
-    $this->workspaceManager = $workspace_manager;
-    $this->workspaceRepository = $workspace_repository;
-    $this->renderer = $renderer;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
-    return new static(
-      $entity_type,
-      $container->get('entity_type.manager')->getStorage($entity_type->id()),
-      $container->get('workspaces.manager'),
-      $container->get('workspaces.repository'),
-      $container->get('renderer')
-    );
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function load() {
-    // Get all the workspace entities and sort them in tree order.
-    $workspace_tree = $this->workspaceRepository->loadTree();
-    $entities = array_replace($workspace_tree, $this->storage->loadMultiple());
-    foreach ($entities as $id => $entity) {
-      $entity->_depth = $workspace_tree[$id]['depth'];
+class WorkspaceListBuilder extends EntityListBuilder
+{
+
+    use AjaxHelperTrait;
+
+    /**
+     * The workspace manager service.
+     *
+     * @var \Drupal\workspaces\WorkspaceManagerInterface
+     */
+    protected $workspaceManager;
+
+    /**
+     * The entity type manager.
+     *
+     * @var \Drupal\Core\Entity\EntityTypeManager
+     */
+    protected $entityTypeManager;
+
+
+    /**
+     * The workspace repository service.
+     *
+     * @var \Drupal\workspaces\WorkspaceRepositoryInterface
+     */
+    protected $workspaceRepository;
+
+    /**
+     * The renderer service.
+     *
+     * @var \Drupal\Core\Render\RendererInterface
+     */
+    protected $renderer;
+
+    /**
+     * The workspace association service.
+     *
+     * @var \Drupal\workspaces\WorkspaceAssociationInterface
+     */
+    protected $workspaceAssociation;
+
+
+    /**
+     * Constructs a new EntityListBuilder object.
+     *
+     * @param \Drupal\Core\Entity\EntityTypeInterface          $entity_type
+     *   The entity type definition.
+     * @param \Drupal\Core\Entity\EntityStorageInterface       $storage
+     *   The entity storage class.
+     * @param \Drupal\workspaces\WorkspaceManagerInterface     $workspace_manager
+     *   The workspace manager service.
+     * @param \Drupal\workspaces\WorkspaceRepositoryInterface  $workspace_repository
+     *   The workspace repository service.
+     * @param \Drupal\Core\Render\RendererInterface            $renderer
+     *   The renderer service.
+     * @param \Drupal\workspaces\WorkspaceAssociationInterface $workspace_association
+     *   The workspace association service.
+     * @param \Drupal\Core\Entity\EntityTypeManager            $entityTypeManager
+     *   The entity type manager.
+     */
+    public function __construct(EntityTypeInterface $entity_type, EntityStorageInterface $storage, WorkspaceManagerInterface $workspace_manager, WorkspaceRepositoryInterface $workspace_repository, RendererInterface $renderer, WorkspaceAssociationInterface $workspace_association, EntityTypeManager $entityTypeManager)
+    {
+        parent::__construct($entity_type, $storage);
+        $this->workspaceManager = $workspace_manager;
+        $this->workspaceRepository = $workspace_repository;
+        $this->renderer = $renderer;
+        $this->workspaceAssociation = $workspace_association;
+        $this->entityTypeManager = $entityTypeManager;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type)
+    {
+        return new static(
+            $entity_type,
+            $container->get('entity_type.manager')->getStorage($entity_type->id()),
+            $container->get('workspaces.manager'),
+            $container->get('workspaces.repository'),
+            $container->get('renderer'),
+            $container->get('workspaces.association'),
+            $container->get('entity_type.manager'),
+        );
     }
 
-    return $entities;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function buildHeader() {
-    $header['label'] = $this->t('Workspace');
-    $header['uid'] = $this->t('Owner');
-
-    return $header + parent::buildHeader();
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function buildRow(EntityInterface $entity) {
-    /** @var \Drupal\workspaces\WorkspaceInterface $entity */
-    if (isset($entity->_depth) && $entity->_depth > 0) {
-      $indentation = [
-        '#theme' => 'indentation',
-        '#size' => $entity->_depth,
-      ];
+    /**
+     * {@inheritdoc}
+     */
+    public function load()
+    {
+        // Get all the workspace entities and sort them in tree order.
+        $workspace_tree = $this->workspaceRepository->loadTree();
+        $entities = array_replace($workspace_tree, $this->storage->loadMultiple());
+        foreach ($entities as $id => $entity) {
+            $entity->_depth = $workspace_tree[$id]['depth'];
+        }
+
+        return $entities;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function buildHeader()
+    {
+        $header['label'] = $this->t('Workspace');
+        $header['uid'] = $this->t('Owner');
+
+        return $header + parent::buildHeader();
     }
 
-    $row['data'] = [
-      'label' => [
+    /**
+     * {@inheritdoc}
+     */
+    public function buildRow(EntityInterface $entity)
+    {
+        /**
+   * @var \Drupal\workspaces\WorkspaceInterface $entity 
+*/
+        if (isset($entity->_depth) && $entity->_depth > 0) {
+            $indentation = [
+            '#theme' => 'indentation',
+            '#size' => $entity->_depth,
+            ];
+        }
+
+        $row['data'] = [
+        'label' => [
         'data' => [
           '#prefix' => isset($indentation) ? $this->renderer->render($indentation) : '',
           '#type' => 'link',
           '#title' => $entity->label(),
           '#url' => $entity->toUrl(),
         ],
-      ],
-      'owner' => $entity->getOwner()->getDisplayName(),
-    ];
-    $row['data'] = $row['data'] + parent::buildRow($entity);
-
-    $active_workspace = $this->workspaceManager->getActiveWorkspace();
-    if ($active_workspace && $entity->id() === $active_workspace->id()) {
-      $row['class'] = ['active-workspace', 'active-workspace--not-default'];
-    }
-    return $row;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getDefaultOperations(EntityInterface $entity) {
-    /** @var \Drupal\workspaces\WorkspaceInterface $entity */
-    $operations = parent::getDefaultOperations($entity);
-    if (isset($operations['edit'])) {
-      $operations['edit']['query']['destination'] = $entity->toUrl('collection')->toString();
-    }
+        ],
+        'owner' => $entity->getOwner()->getDisplayName(),
+        ];
+        $row['data'] = $row['data'] + parent::buildRow($entity);
 
-    $active_workspace = $this->workspaceManager->getActiveWorkspace();
-    if (!$active_workspace || $entity->id() != $active_workspace->id()) {
-      $operations['activate'] = [
-        'title' => $this->t('Switch to @workspace', ['@workspace' => $entity->label()]),
-        // Use a weight lower than the one of the 'Edit' operation because we
-        // want the 'Activate' operation to be the primary operation.
-        'weight' => 0,
-        'url' => $entity->toUrl('activate-form', ['query' => ['destination' => $entity->toUrl('collection')->toString()]]),
-      ];
+        $active_workspace = $this->workspaceManager->getActiveWorkspace();
+        if ($active_workspace && $entity->id() === $active_workspace->id()) {
+            $row['class'] = ['active-workspace', 'active-workspace--not-default'];
+        }
+        return $row;
     }
 
-    if (!$entity->hasParent()) {
-      $operations['publish'] = [
-        'title' => $this->t('Publish content'),
-        // The 'Publish' operation should be the default one for the currently
-        // active workspace.
-        'weight' => ($active_workspace && $entity->id() == $active_workspace->id()) ? 0 : 20,
-        'url' => Url::fromRoute('entity.workspace.publish_form',
-          ['workspace' => $entity->id()],
-          ['query' => ['destination' => $entity->toUrl('collection')->toString()]]
-        ),
-      ];
-    }
-    else {
-      /** @var \Drupal\workspaces\WorkspaceInterface $parent */
-      $parent = $entity->parent->entity;
-      $operations['merge'] = [
-        'title' => $this->t('Merge into @target_label', [
-          '@target_label' => $parent->label(),
-        ]),
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefaultOperations(EntityInterface $entity)
+    {
+        /**
+   * @var \Drupal\workspaces\WorkspaceInterface $entity 
+*/
+        $operations = parent::getDefaultOperations($entity);
+        if (isset($operations['edit'])) {
+            $operations['edit']['query']['destination'] = $entity->toUrl('collection')->toString();
+        }
+
+        $active_workspace = $this->workspaceManager->getActiveWorkspace();
+        if (!$active_workspace || $entity->id() != $active_workspace->id()) {
+            $operations['activate'] = [
+            'title' => $this->t('Switch to @workspace', ['@workspace' => $entity->label()]),
+            // Use a weight lower than the one of the 'Edit' operation because we
+            // want the 'Activate' operation to be the primary operation.
+            'weight' => 0,
+            'url' => $entity->toUrl('activate-form', ['query' => ['destination' => $entity->toUrl('collection')->toString()]]),
+            ];
+        }
+
+        if (!$entity->hasParent()) {
+            $operations['publish'] = [
+            'title' => $this->t('Publish content'),
+            // The 'Publish' operation should be the default one for the currently
+            // active workspace.
+            'weight' => ($active_workspace && $entity->id() == $active_workspace->id()) ? 0 : 20,
+            'url' => Url::fromRoute(
+                'entity.workspace.publish_form',
+                ['workspace' => $entity->id()],
+                ['query' => ['destination' => $entity->toUrl('collection')->toString()]]
+            ),
+            ];
+        }
+        else {
+            /**
+     * @var \Drupal\workspaces\WorkspaceInterface $parent 
+*/
+            $parent = $entity->parent->entity;
+            $operations['merge'] = [
+            'title' => $this->t(
+                'Merge into @target_label', [
+                '@target_label' => $parent->label(),
+                ]
+            ),
+            'weight' => 5,
+            'url' => Url::fromRoute(
+                'entity.workspace.merge_form',
+                [
+                'source_workspace' => $entity->id(),
+                'target_workspace' => $parent->id(),
+                ],
+                [
+                'query' => ['destination' => $entity->toUrl('collection')->toString()],
+                ]
+            ),
+            ];
+        }
+
+        $operations['manage'] = [
+        'title' => $this->t('Manage'),
         'weight' => 5,
-        'url' => Url::fromRoute('entity.workspace.merge_form',
-          [
-            'source_workspace' => $entity->id(),
-            'target_workspace' => $parent->id(),
-          ],
-          [
-            'query' => ['destination' => $entity->toUrl('collection')->toString()],
-          ]
-        ),
-      ];
-    }
+        'url' => $entity->toUrl(),
+        ];
 
-    $operations['manage'] = [
-      'title' => $this->t('Manage'),
-      'weight' => 5,
-      'url' => $entity->toUrl(),
-    ];
-
-    return $operations;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function render() {
-    $build = parent::render();
-    if ($this->isAjax()) {
-      $this->offCanvasRender($build);
+        return $operations;
     }
-    else {
-      // Add a row for switching to Live.
-      $has_active_workspace = $this->workspaceManager->hasActiveWorkspace();
-      $row_live = [
-        'data' => [
-          'label' => [
+
+    /**
+     * {@inheritdoc}
+     */
+    public function render()
+    {
+        $build = parent::render();
+        if ($this->isAjax()) {
+            $this->offCanvasRender($build);
+        }
+        else {
+            // Add a row for switching to Live.
+            $has_active_workspace = $this->workspaceManager->hasActiveWorkspace();
+            $row_live = [
+            'data' => [
+            'label' => [
             'data' => [
               '#markup' => $this->t('Live'),
             ],
-          ],
-          'owner' => '',
-          'operations' => [
+            ],
+            'owner' => '',
+            'operations' => [
             'data' => [
               '#type' => 'operations',
               '#links' => [
@@ -225,55 +268,56 @@ public function render() {
               ],
               '#access' => $has_active_workspace,
             ],
-          ],
-        ],
-      ];
+            ],
+            ],
+            ];
 
-      if (!$has_active_workspace) {
-        $row_live['class'] = ['active-workspace', 'active-workspace--default'];
-      }
-      array_unshift($build['table']['#rows'], $row_live);
+            if (!$has_active_workspace) {
+                $row_live['class'] = ['active-workspace', 'active-workspace--default'];
+            }
+            array_unshift($build['table']['#rows'], $row_live);
 
-      $build['#attached'] = [
-        'library' => ['workspaces/drupal.workspaces.overview'],
-      ];
-    }
-    return $build;
-  }
-
-  /**
-   * Renders the off canvas elements.
-   *
-   * @param array $build
-   *   A render array.
-   */
-  protected function offCanvasRender(array &$build) {
-    $active_workspace = $this->workspaceManager->getActiveWorkspace();
-    if ($active_workspace) {
-      $active_workspace_classes = [
-        'active-workspace--not-default',
-        'active-workspace--' . $active_workspace->id(),
-      ];
-    }
-    else {
-      $active_workspace_classes = [
-        'active-workspace--default',
-      ];
+            $build['#attached'] = [
+            'library' => ['workspaces/drupal.workspaces.overview'],
+            ];
+        }
+        return $build;
     }
 
-    $build['active_workspace'] = [
-      '#type' => 'container',
-      '#weight' => -20,
-      '#attributes' => [
+    /**
+     * Renders the off canvas elements.
+     *
+     * @param array $build
+     *   A render array.
+     */
+    protected function offCanvasRender(array &$build)
+    {
+        $active_workspace = $this->workspaceManager->getActiveWorkspace();
+        if ($active_workspace) {
+            $active_workspace_classes = [
+            'active-workspace--not-default',
+            'active-workspace--' . $active_workspace->id(),
+            ];
+        }
+        else {
+            $active_workspace_classes = [
+            'active-workspace--default',
+            ];
+        }
+
+        $build['active_workspace'] = [
+        '#type' => 'container',
+        '#weight' => -20,
+        '#attributes' => [
         'class' => array_merge(['active-workspace'], $active_workspace_classes),
-      ],
-      'title' => [
+        ],
+        'title' => [
         '#type' => 'html_tag',
         '#tag' => 'div',
         '#value' => $this->t('Current workspace:'),
         '#attributes' => ['class' => 'active-workspace__title'],
-      ],
-      'label' => [
+        ],
+        'label' => [
         '#type' => 'container',
         '#attributes' => ['class' => 'active-workspace__label'],
         'value' => [
@@ -281,119 +325,154 @@ protected function offCanvasRender(array &$build) {
           '#tag' => 'span',
           '#value' => $active_workspace ? $active_workspace->label() : $this->t('Live'),
         ],
-      ],
-    ];
-    if ($active_workspace) {
-      $build['active_workspace']['label']['manage'] = [
-        '#type' => 'link',
-        '#title' => $this->t('Manage workspace'),
-        '#url' => $active_workspace->toUrl('canonical'),
-        '#attributes' => [
-          'class' => ['active-workspace__manage'],
-        ],
-      ];
-      $build['active_workspace']['actions'] = [
-        '#type' => 'container',
-        '#weight' => 20,
-        '#attributes' => [
-          'class' => ['active-workspace__actions'],
         ],
-      ];
-      if (!$active_workspace->hasParent()) {
-        $build['active_workspace']['actions']['publish'] = [
-          '#type' => 'link',
-          '#title' => $this->t('Publish content'),
-          '#url' => Url::fromRoute('entity.workspace.publish_form',
-            ['workspace' => $active_workspace->id()],
-            ['query' => ['destination' => $active_workspace->toUrl('collection')->toString()]]
-          ),
-          '#attributes' => [
-            'class' => ['button', 'active-workspace__button'],
-          ],
         ];
-      }
-      else {
-        $build['active_workspace']['actions']['merge'] = [
-          '#type' => 'link',
-          '#title' => $this->t('Merge content'),
-          '#url' => Url::fromRoute('entity.workspace.merge_form',
-            [
-              'source_workspace' => $active_workspace->id(),
-              'target_workspace' => $active_workspace->parent->target_id,
+        if ($active_workspace) {
+            $build['active_workspace']['label']['manage'] = [
+            '#type' => 'link',
+            '#title' => $this->t('Manage workspace'),
+            '#url' => $active_workspace->toUrl('canonical'),
+            '#attributes' => [
+            'class' => ['active-workspace__manage'],
             ],
-            [
-              'query' => ['destination' => $active_workspace->toUrl('collection')->toString()],
-            ]
-          ),
-          '#attributes' => [
-            'class' => ['button', 'active-workspace__button'],
-          ],
-        ];
-      }
-    }
+            ];
+            $build['active_workspace']['actions'] = [
+            '#type' => 'container',
+            '#weight' => 20,
+            '#attributes' => [
+            'class' => ['active-workspace__actions'],
+            ],
+            ];
+            $all_tracked_entities = $this->workspaceAssociation->getTrackedEntities($active_workspace->id());
+            $changes_count = [];
+            foreach ($all_tracked_entities as $entity_type_id => $tracked_entities) {
 
-    $items = [];
-    $rows = array_slice($build['table']['#rows'], 0, 5, TRUE);
-    foreach ($rows as $id => $row) {
-      if (!$active_workspace || $active_workspace->id() !== $id) {
-        $url = Url::fromRoute('entity.workspace.activate_form', ['workspace' => $id], ['query' => $this->getDestinationArray()]);
-        $items[] = [
-          '#type' => 'link',
-          '#title' => ltrim($row['data']['label']['data']['#title']),
-          '#url' => $url,
-          '#attributes' => [
-            'class' => ['use-ajax', 'workspaces__item', 'workspaces__item--not-default'],
+                $changes_count[$entity_type_id] = $this->entityTypeManager->getDefinition($entity_type_id)->getCountLabel(count($tracked_entities));
+
+                $revisions = $this->entityTypeManager->getStorage($entity_type_id)->loadMultipleRevisions(array_keys($tracked_entities));
+
+            }
+
+            if (!$active_workspace->hasParent()) {
+                if (!empty($revisions)) {
+                    $build['active_workspace']['actions']['publish'] = [
+                      '#type' => 'link',
+                    '#title' => $this->t('Publish content'),
+                    '#url' => Url::fromRoute(
+                        'entity.workspace.publish_form',
+                        ['workspace' => $active_workspace->id()],
+                        ['query' => ['destination' => $active_workspace->toUrl('collection')->toString()]]
+                    ),
+                      '#attributes' => [
+                        'class' => ['button', 'active-workspace__button'],
+                      ],
+                    ];
+                }
+                else {
+                    $build['active_workspace']['message'] = [
+                    'title' => [
+                    '#type' => 'html_tag',
+                     '#tag' => 'div',
+                    '#value' => $this->t(
+                        "There are no content to be published in @active_workspace workspace.",
+                        ['@active_workspace' => $active_workspace->label()]
+                    ),
+                      '#attributes' => ['class' => 'active-workspace__title'],
+                    ],
+                      ];
+                }
+            }
+            else {
+                $build['active_workspace']['actions']['merge'] = [
+                '#type' => 'link',
+                '#title' => $this->t('Merge content'),
+                '#url' => Url::fromRoute(
+                    'entity.workspace.merge_form',
+                    [
+                    'source_workspace' => $active_workspace->id(),
+                    'target_workspace' => $active_workspace->parent->target_id,
+                    ],
+                    [
+                    'query' => ['destination' => $active_workspace->toUrl('collection')->toString()],
+                    ]
+                ),
+                '#attributes' => [
+                  'class' => ['button', 'button--primary', 'active-workspace__button'],
+                ],
+                ];
+            }
+        }
+
+        $items = [];
+        $rows = array_slice($build['table']['#rows'], 0, 5, true);
+        foreach ($rows as $id => $row) {
+            if (!$active_workspace || $active_workspace->id() !== $id) {
+                $url = Url::fromRoute('entity.workspace.activate_form', ['workspace' => $id], ['query' => $this->getDestinationArray()]);
+                $items[] = [
+                '#type' => 'link',
+                '#title' => ltrim($row['data']['label']['data']['#title']),
+                '#url' => $url,
+                '#attributes' => [
+                'class' => ['use-ajax', 'workspaces__item',
+                 'workspaces__item--not-default',
+                ],
+                'data-dialog-type' => 'modal',
+                'data-dialog-options' => Json::encode(
+                    [
+                    'width' => 500,
+                    ]
+                ),
+                ],
+                ];
+            }
+        }
+
+        // Add an item for switching to Live.
+        if ($active_workspace) {
+            $items[] = [
+            '#type' => 'link',
+            '#title' => $this->t('Live'),
+            '#url' => Url::fromRoute('workspaces.switch_to_live', [], ['query' => $this->getDestinationArray()]),
+            '#attributes' => [
+            'class' => ['use-ajax', 'workspaces__item',
+             'workspaces__item--default',
+            ],
             'data-dialog-type' => 'modal',
-            'data-dialog-options' => Json::encode([
-              'width' => 500,
-            ]),
-          ],
-        ];
-      }
-    }
+            'data-dialog-options' => Json::encode(
+                [
+                'width' => 500,
+                ]
+            ),
+            ],
+            ];
+        }
 
-    // Add an item for switching to Live.
-    if ($active_workspace) {
-      $items[] = [
-        '#type' => 'link',
-        '#title' => $this->t('Live'),
-        '#url' => Url::fromRoute('workspaces.switch_to_live', [], ['query' => $this->getDestinationArray()]),
+        $build['workspaces_list'] = [
+        '#type' => 'container',
         '#attributes' => [
-          'class' => ['use-ajax', 'workspaces__item', 'workspaces__item--default'],
-          'data-dialog-type' => 'modal',
-          'data-dialog-options' => Json::encode([
-            'width' => 500,
-          ]),
-        ],
-      ];
-    }
-
-    $build['workspaces_list'] = [
-      '#type' => 'container',
-      '#attributes' => [
         'class' => 'workspaces',
-      ],
-    ];
-    $build['workspaces_list']['workspaces'] = [
-      '#theme' => 'item_list',
-      '#title' => $this->t('Other workspaces:'),
-      '#items' => $items,
-      '#wrapper_attributes' => ['class' => ['workspaces__list']],
-      '#cache' => [
+        ],
+        ];
+        $build['workspaces_list']['workspaces'] = [
+        '#theme' => 'item_list',
+        '#title' => $this->t('Other workspaces:'),
+        '#items' => $items,
+        '#wrapper_attributes' => ['class' => ['workspaces__list']],
+        '#cache' => [
         'contexts' => $this->entityType->getListCacheContexts(),
         'tags' => $this->entityType->getListCacheTags(),
-      ],
-    ];
-    $build['workspaces_list']['all_workspaces'] = [
-      '#type' => 'link',
-      '#title' => $this->t('View all workspaces'),
-      '#url' => Url::fromRoute('entity.workspace.collection'),
-      '#attributes' => [
+        ],
+        ];
+        $build['workspaces_list']['all_workspaces'] = [
+        '#type' => 'link',
+        '#title' => $this->t('View all workspaces'),
+        '#url' => Url::fromRoute('entity.workspace.collection'),
+        '#attributes' => [
         'class' => ['all-workspaces'],
-      ],
-    ];
-    unset($build['table']);
-    unset($build['pager']);
-  }
+        ],
+        ];
+        unset($build['table']);
+        unset($build['pager']);
+    }
 
 }