diff --git a/core/modules/views/views.api.php b/core/modules/views/views.api.php
index 9889c93e32..c4afbd7843 100644
--- a/core/modules/views/views.api.php
+++ b/core/modules/views/views.api.php
@@ -942,6 +942,50 @@ function hook_views_ui_display_top_links_alter(array &$links, ViewExecutable $vi
   }
 }
 
+/**
+ * Alter the top of the display for the Views UI.
+ *
+ * This hook can be implemented by themes.
+ *
+ * @param array $build
+ *   The edit page.
+ * @param \Drupal\views_ui\ViewUI $view
+ *   The view being edited.
+ * @param string $display_id
+ *   The display ID.
+ *
+ * @todo Until https://www.drupal.org/project/drupal/issues/3087455 is resolved,
+ *   use this hook or hook_views_ui_display_tab_alter() instead of
+ *   hook_form_view_edit_form_alter().
+ *
+ * @see \Drupal\views_ui\ViewUI::renderDisplayTop()
+ */
+function hook_views_ui_display_top_alter(&$build, \Drupal\views_ui\ViewUI $view, $display_id) {
+  $build['custom']['#markup'] = 'This text should always appear';
+}
+
+/**
+ * Alter the renderable array representing the edit page for one display.
+ *
+ * This hook can be implemented by themes.
+ *
+ * @param array $build
+ *   The edit page.
+ * @param \Drupal\views_ui\ViewUI $view
+ *   The view being edited.
+ * @param string $display_id
+ *   The display ID.
+ *
+ * @todo Until https://www.drupal.org/project/drupal/issues/3087455 is resolved,
+ *   use this hook or hook_views_ui_display_tab_alter() instead of
+ *   hook_form_view_edit_form_alter().
+ *
+ * @see \Drupal\views_ui\ViewEditForm::getDisplayTab()
+ */
+function hook_views_ui_display_tab_alter(&$build, \Drupal\views_ui\ViewUI $view, $display_id) {
+  $build['custom']['#markup'] = 'This text should always appear';
+}
+
 // @todo Describe how to alter a view ajax response with event listeners.
 
 /**
diff --git a/core/modules/views_ui/tests/src/FunctionalJavascript/DisplayTest.php b/core/modules/views_ui/tests/src/FunctionalJavascript/DisplayTest.php
index 5444eb93bc..6b7cd1226f 100644
--- a/core/modules/views_ui/tests/src/FunctionalJavascript/DisplayTest.php
+++ b/core/modules/views_ui/tests/src/FunctionalJavascript/DisplayTest.php
@@ -122,4 +122,29 @@ protected function toggleContextualTriggerVisibility($selector) {
     $this->getSession()->executeScript("jQuery('{$selector} .contextual .trigger').toggleClass('visually-hidden');");
   }
 
+  /**
+   * Confirms that form_alter is triggered after ajax rebuilds.
+   */
+  public function testAjaxRebuild() {
+    \Drupal::service('theme_installer')->install(['views_test_classy_subtheme']);
+
+    $this->config('system.theme')
+      ->set('default', 'views_test_classy_subtheme')
+      ->save();
+
+    $page = $this->getSession()->getPage();
+    $assert_session = $this->assertSession();
+
+    $this->drupalGet('admin/structure/views/view/content');
+    $assert_session->pageTextContains('This is text added to the display tabs at the top');
+    $assert_session->pageTextContains('This is text added to the display edit form');
+    $page->clickLink('Content: Title (Title)');
+    $assert_session->waitForElementVisible('css', '.views-ui-dialog');
+    $page->fillField('Label', 'New Title');
+    $page->find('css', '.ui-dialog-buttonset button:contains("Apply")')->press();
+    $assert_session->waitForElementRemoved('css', '.views-ui-dialog');
+    $assert_session->pageTextContains('This is text added to the display tabs at the top');
+    $assert_session->pageTextContains('This is text added to the display edit form');
+  }
+
 }
diff --git a/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.info.yml b/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.info.yml
new file mode 100644
index 0000000000..fbac46814d
--- /dev/null
+++ b/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.info.yml
@@ -0,0 +1,6 @@
+name: 'Theme test subtheme'
+type: theme
+description: 'Test theme which uses test_basetheme as the base theme.'
+version: VERSION
+core: 8.x
+base theme: classy
diff --git a/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.theme b/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.theme
new file mode 100644
index 0000000000..cb643bc4bd
--- /dev/null
+++ b/core/modules/views_ui/tests/themes/views_test_classy_subtheme/views_test_classy_subtheme.theme
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * @file
+ * Add hooks for tests to use.
+ */
+
+use Drupal\views_ui\ViewUI;
+
+/**
+ * Implements hook_views_ui_display_tab_alter().
+ */
+function views_test_classy_subtheme_views_ui_display_tab_alter(&$build, ViewUI $view, $display_id) {
+  $build['details']['top']['display_title']['#description'] = 'This is text added to the display edit form';
+}
+
+/**
+ * Implements hook_views_ui_display_top_alter().
+ */
+function views_test_classy_subtheme_views_ui_display_top_alter(&$build, ViewUI $view, $display_id) {
+  $build['tabs']['#suffix'] .= 'This is text added to the display tabs at the top';
+}