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diff --git a/web/modules/contrib/diff/src/Plugin/views/field/DiffFrom.php b/web/modules/contrib/diff/src/Plugin/views/field/DiffFrom.php
new file mode 100644
index 000000000..8af0ecc0b
--- /dev/null
+++ b/web/modules/contrib/diff/src/Plugin/views/field/DiffFrom.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\diff\Plugin\views\field;
+
+use Drupal\Core\Entity\RevisionableInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Routing\RedirectDestinationTrait;
+use Drupal\node\NodeInterface;
+
+/**
+ * Provides View field diff from plugin.
+ *
+ * @ViewsField("diff__from")
+ */
+class DiffFrom extends DiffPluginBase {
+
+  use RedirectDestinationTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function defineOptions() {
+    $options = parent::defineOptions();
+
+    $options['label']['default'] = t('From');
+    return $options;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewsForm(array &$form, FormStateInterface $form_state) {
+    // Replace the form submit button label.
+    $form['actions']['submit']['#value'] = $this->t('Compare');
+    parent::viewsForm($form, $form_state);
+  }
+
+  /**
+   * Returns the diff_to field ID.
+   *
+   * @return string|null
+   *   The diff_to field ID, or null if the field was not found on the view.
+   */
+  protected function getToFieldId() {
+    foreach ($this->view->field as $id => $field) {
+      if ($field instanceof DiffTo) {
+        return $id;
+      }
+    }
+  }
+
+  /**
+   * Submit handler for the bulk form.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   *
+   * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
+   *   Thrown when the user tried to access an action without access to it.
+   */
+  public function viewsFormSubmit(array &$form, FormStateInterface $form_state) {
+    if ($form_state->get('step') == 'views_form_views_form') {
+      $diff_from = $form_state->getValue($this->options['id']);
+      $diff_from_entity = $this->loadEntityFromDiffFormKey($diff_from);
+
+      $diff_to = $form_state->getValue($this->getToFieldId());
+      $diff_to_entity = $this->loadEntityFromDiffFormKey($diff_to);
+
+      $options = array(
+        'query' => $this->getDestinationArray(),
+      );
+      $entity_type_id = $diff_from_entity->getEntityTypeId();
+
+      $filter = \Drupal::service('plugin.manager.diff.layout')->getDefaultLayout();
+      if ($diff_from_entity instanceof NodeInterface && $diff_to_entity instanceof NodeInterface) {
+        $form_state->setRedirect('diff.revisions_diff', [
+          $entity_type_id => $diff_from_entity->id(),
+          'left_revision' => $diff_from_entity->getRevisionId(),
+          'right_revision' => $diff_to_entity->getRevisionId(),
+          'filter' => $filter,
+        ], $options);
+      }
+      elseif ($diff_from_entity instanceof RevisionableInterface && $diff_to_entity instanceof RevisionableInterface) {
+        $route_name = 'entity.' . $entity_type_id . '.revisions_diff';
+        $form_state->setRedirect($route_name, [
+          $entity_type_id => $diff_from_entity->id(),
+          'left_revision' => $diff_from_entity->getRevisionId(),
+          'right_revision' => $diff_to_entity->getRevisionId(),
+          'filter' => $filter,
+        ], $options);
+      }
+    }
+  }
+
+}