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diff --git a/web/core/modules/workspaces/src/Plugin/Block/WorkspaceSwitcherBlock.php b/web/core/modules/workspaces/src/Plugin/Block/WorkspaceSwitcherBlock.php
new file mode 100644
index 000000000..2f5a2fe74
--- /dev/null
+++ b/web/core/modules/workspaces/src/Plugin/Block/WorkspaceSwitcherBlock.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Drupal\workspaces\Plugin\Block;
+
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Form\FormBuilderInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\workspaces\Form\WorkspaceSwitcherForm;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a 'Workspace switcher' block.
+ *
+ * @Block(
+ *   id = "workspace_switcher",
+ *   admin_label = @Translation("Workspace switcher"),
+ *   category = @Translation("Workspace"),
+ * )
+ */
+class WorkspaceSwitcherBlock extends BlockBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * The form builder.
+   *
+   * @var \Drupal\Core\Form\FormBuilderInterface
+   */
+  protected $formBuilder;
+
+  /**
+   * The entity type manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * Constructs a new WorkspaceSwitcherBlock instance.
+   *
+   * @param array $configuration
+   *   The plugin configuration.
+   * @param string $plugin_id
+   *   The plugin ID.
+   * @param mixed $plugin_definition
+   *   The plugin definition.
+   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
+   *   The form builder.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager.
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, FormBuilderInterface $form_builder, EntityTypeManagerInterface $entity_type_manager) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->formBuilder = $form_builder;
+    $this->entityTypeManager = $entity_type_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('form_builder'),
+      $container->get('entity_type.manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build() {
+    $build = [
+      'form' => $this->formBuilder->getForm(WorkspaceSwitcherForm::class),
+      '#cache' => [
+        'contexts' => $this->entityTypeManager->getDefinition('workspace')->getListCacheContexts(),
+        'tags' => $this->entityTypeManager->getDefinition('workspace')->getListCacheTags(),
+      ],
+    ];
+    return $build;
+  }
+
+}