diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php
index 9d2b730..b1dde5b 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/BasicStringFormatter.php
@@ -7,7 +7,6 @@
 
 namespace Drupal\Core\Field\Plugin\Field\FieldFormatter;
 
-use Drupal\Component\Utility\Html;
 use Drupal\Core\Field\FormatterBase;
 use Drupal\Core\Field\FieldItemListInterface;
 
@@ -32,12 +31,16 @@ class BasicStringFormatter extends FormatterBase {
    * {@inheritdoc}
    */
   public function viewElements(FieldItemListInterface $items) {
-    $elements = array();
+    $elements = [];
 
     foreach ($items as $delta => $item) {
       // The text value has no text format assigned to it, so the user input
       // should equal the output, including newlines.
-      $elements[$delta] = array('#markup' => nl2br(Html::escape($item->value)));
+      $elements[$delta] = [
+        '#type' => 'inline_template',
+        '#template' => '{{ value|nl2br }}',
+        '#context' => ['value' => $item->value],
+      ];
     }
 
     return $elements;
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
index fd5c3bb..3bc804e 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php
@@ -7,9 +7,7 @@
 
 namespace Drupal\Core\Field\Plugin\Field\FieldFormatter;
 
-use Drupal\Component\Utility\Html;
 use Drupal\Core\Entity\EntityManagerInterface;
-use Drupal\Core\Entity\RevisionableInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldItemInterface;
 use Drupal\Core\Field\FormatterBase;
@@ -137,7 +135,7 @@ public function viewElements(FieldItemListInterface $items) {
         ];
       }
       else {
-        $elements[$delta] = is_array($view_value) ? $view_value : ['#markup' => $view_value];
+        $elements[$delta] = $view_value;
       }
     }
     return $elements;
@@ -156,7 +154,9 @@ protected function viewValue(FieldItemInterface $item) {
     // The text value has no text format assigned to it, so the user input
     // should equal the output, including newlines.
     return [
-      '#markup' => nl2br(Html::escape($item->value))
+      '#type' => 'inline_template',
+      '#template' => '{{ value|nl2br }}',
+      '#context' => ['value' => $item->value],
     ];
   }
 
diff --git a/core/modules/field/src/Tests/String/UuidFormatterTest.php b/core/modules/field/src/Tests/String/UuidFormatterTest.php
index 4d849cd..92554bf 100644
--- a/core/modules/field/src/Tests/String/UuidFormatterTest.php
+++ b/core/modules/field/src/Tests/String/UuidFormatterTest.php
@@ -46,13 +46,19 @@ public function testUuidStringFormatter() {
 
     $uuid_field = $entity->get('uuid');
 
+    // Verify default render.
     $render_array = $uuid_field->view([]);
-    $this->assertIdentical($render_array[0]['#markup'], $entity->uuid(), 'The rendered UUID matches the entity UUID.');
+    $this->assertIdentical($render_array[0]['#context']['value'], $entity->uuid(), 'The rendered UUID matches the entity UUID.');
+    $this->assertTrue(strpos($this->render($render_array), $entity->uuid()), 'The rendered UUID found.');
 
+    // Verify customized render.
     $render_array = $uuid_field->view(['settings' => ['link_to_entity' => TRUE]]);
     $this->assertIdentical($render_array[0]['#type'], 'link');
-    $this->assertIdentical($render_array[0]['#title']['#markup'], $entity->uuid());
+    $this->assertIdentical($render_array[0]['#title']['#context']['value'], $entity->uuid());
     $this->assertIdentical($render_array[0]['#url']->toString(), $entity->url());
+    $rendered = $this->render($render_array);
+    $this->assertTrue(strpos($rendered, $entity->uuid()), 'The rendered UUID found.');
+    $this->assertTrue(strpos($rendered, $entity->url()), 'The rendered entity URL found.');
   }
 
 }
diff --git a/core/modules/taxonomy/src/Plugin/views/field/TermName.php b/core/modules/taxonomy/src/Plugin/views/field/TermName.php
index c2eba0f..45246d1 100644
--- a/core/modules/taxonomy/src/Plugin/views/field/TermName.php
+++ b/core/modules/taxonomy/src/Plugin/views/field/TermName.php
@@ -28,7 +28,8 @@ public function getItems(ResultRow $values) {
       foreach ($items as &$item) {
         // Replace spaces with hyphens.
         $name = $item['raw']->get('value')->getValue();
-        $item['rendered']['#markup'] = str_replace(' ', '-', $name);
+        // @todo Add link support https://www.drupal.org/node/2567745
+        $item['rendered']['#context']['value'] = str_replace(' ', '-', $name);
       }
     }
     return $items;