diff --git a/core/core.services.yml b/core/core.services.yml
index 4e28f55b9af293fd1ff22a966df976397ed7360d..f3715856ba6628a2adb3560cd49d6e80f658bd09 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -211,17 +211,12 @@ services:
   plugin.manager.menu.local_task:
     class: Drupal\Core\Menu\LocalTaskManager
     arguments: ['@controller_resolver', '@request', '@router.route_provider', '@module_handler', '@cache.cache', '@language_manager', '@access_manager', '@current_user']
-    scope: request
   plugin.manager.menu.contextual_link:
     class: Drupal\Core\Menu\ContextualLinkManager
     arguments: ['@controller_resolver', '@module_handler', '@cache.cache', '@language_manager', '@access_manager', '@current_user']
   request:
     class: Symfony\Component\HttpFoundation\Request
-    # @TODO the synthetic setting must be uncommented whenever drupal_session_initialize()
-    # is run after there is a request and the following two lines should be removed.
-    factory_class: Symfony\Component\HttpFoundation\Request
-    factory_method: createFromGlobals
-    #synthetic: true
+    synthetic: true
   event_dispatcher:
     class: Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher
     arguments: ['@service_container']
@@ -365,6 +360,10 @@ services:
     tags:
       - { name: event_subscriber }
     arguments: ['@settings']
+  ajax_response_subscriber:
+    class: Drupal\Core\EventSubscriber\AjaxResponseSubscriber
+    tags:
+      - { name: event_subscriber }
   route_enhancer.authentication:
     class: Drupal\Core\Routing\Enhancer\AuthenticationEnhancer
     calls:
@@ -436,7 +435,6 @@ services:
       - [setCurrentUser, ['@?current_user']]
     tags:
       - { name: event_subscriber }
-    scope: request
   access_route_subscriber:
     class: Drupal\Core\EventSubscriber\AccessRouteSubscriber
     tags:
diff --git a/core/includes/bootstrap.inc b/core/includes/bootstrap.inc
index 109ff2420e0154d98dde3eabc51829fd59a07ff6..f414d53f5e702c67f4ce94cb020514572f8151e5 100644
--- a/core/includes/bootstrap.inc
+++ b/core/includes/bootstrap.inc
@@ -1552,7 +1552,7 @@ function watchdog($type, $message, array $variables = NULL, $severity = WATCHDOG
       $log_entry['referer'] = $request->headers->get('Referer', '');
       $log_entry['ip'] = $request->getClientIP();
     }
-    catch (\InvalidArgumentException $e) {
+    catch (DependencyInjectionRuntimeException $e) {
       // We are not in a request context.
     }
 
@@ -1718,9 +1718,18 @@ function drupal_set_title($title = NULL, $output = Title::CHECK_PLAIN) {
  *   The user session object.
  */
 function drupal_anonymous_user() {
+  try {
+    $request = \Drupal::request();
+    $hostname = $request->getClientIP();
+  }
+  catch (DependencyInjectionRuntimeException $e) {
+    // We are not in a request context.
+    $hostname = '';
+  }
+
   $values = array(
     'uid' => 0,
-    'hostname' => \Drupal::request()->getClientIP(),
+    'hostname' => $hostname,
     'roles' => array(DRUPAL_ANONYMOUS_RID),
   );
   return new UserSession($values);
@@ -1861,10 +1870,13 @@ function drupal_handle_request($test_only = FALSE) {
   // @todo Remove this once everything in the bootstrap has been
   //   converted to services in the DIC.
   $kernel->boot();
-  drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE);
 
   // Create a request object from the HttpFoundation.
   $request = Request::createFromGlobals();
+  \Drupal::getContainer()->set('request', $request);
+
+  drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE);
+
   $response = $kernel->handle($request)->prepare($request)->send();
 
   $kernel->terminate($request, $response);
@@ -1994,6 +2006,8 @@ function _drupal_bootstrap_kernel() {
   if (!\Drupal::getContainer()) {
     $kernel = new DrupalKernel('prod', drupal_classloader());
     $kernel->boot();
+    $request = Request::createFromGlobals();
+    \Drupal::getContainer()->set('request', $request);
   }
 }
 
diff --git a/core/includes/install.inc b/core/includes/install.inc
index 4e70be4a93044a8c7930c829227faa7dc45fe7b0..f6848c9eeaefd9d086f6ca94cb7d88f18910aad2 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -625,10 +625,19 @@ function drupal_install_system() {
   // Create tables.
   drupal_install_schema('system');
 
-  if (!drupal_container()->has('kernel')) {
-    // Immediately boot a kernel to have real services ready.
+  if (!\Drupal::getContainer()->has('kernel')) {
+    // Immediately boot a kernel to have real services ready. If there's already
+    // an initialized request object in the pre-kernel container, persist it in
+    // the post-kernel container.
+    if (\Drupal::getContainer()->initialized('request')) {
+      $request = \Drupal::request();
+    }
     $kernel = new DrupalKernel('install', drupal_classloader(), FALSE);
     $kernel->boot();
+    if (isset($request)) {
+      \Drupal::getContainer()->set('request', $request);
+    }
+
   }
 
   $system_path = drupal_get_path('module', 'system');
diff --git a/core/lib/Drupal/Core/Ajax/AjaxResponse.php b/core/lib/Drupal/Core/Ajax/AjaxResponse.php
index 44d146a4ebe3e341c70fdf0bc7c2f6acbc75c1cc..6619a56e383e40cfd552b1a97adc4d0500712a07 100644
--- a/core/lib/Drupal/Core/Ajax/AjaxResponse.php
+++ b/core/lib/Drupal/Core/Ajax/AjaxResponse.php
@@ -9,6 +9,7 @@
 
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 
 /**
  * JSON response object for AJAX requests.
@@ -46,17 +47,25 @@ public function addCommand($command, $prepend = FALSE) {
   }
 
   /**
-   * Sets the response's data to be the array of AJAX commands.
-   *
-   * @param Request $request
-   *   A request object.
+   * {@inheritdoc}
    *
-   * @return Response
-   *   The current response.
+   * Sets the response's data to be the array of AJAX commands.
    */
   public function prepare(Request $request) {
-    $this->setData($this->ajaxRender($request));
-    return parent::prepare($request);
+    $this->prepareResponse($request);
+    return $this;
+  }
+
+  /**
+   * Sets the rendered AJAX right before the response is prepared.
+   *
+   * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The request object.
+   */
+  public function prepareResponse(Request $request) {
+    if ($this->data == '{}') {
+      $this->setData($this->ajaxRender($request));
+    }
   }
 
   /**
diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index 3e97607034065653937eb68a11b97154eb0358e1..8d6e28c1cc4a43749bfad0ab5d7f5cfe7d3bf1c3 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -369,10 +369,17 @@ protected function getKernelParameters() {
   protected function initializeContainer() {
     $this->containerNeedsDumping = FALSE;
     $persist = $this->getServicesToPersist();
-    // If we are rebuilding the kernel and we are in a request scope, store
-    // request info so we can add them back after the rebuild.
-    if (isset($this->container) && $this->container->hasScope('request')) {
-      $request = $this->container->get('request');
+    // The request service requires custom persisting logic, since it is also
+    // potentially scoped. During Drupal installation, there is a request
+    // service without a request scope.
+    $request_scope = FALSE;
+    if (isset($this->container)) {
+      if ($this->container->isScopeActive('request')) {
+        $request_scope = TRUE;
+      }
+      if ($this->container->initialized('request')) {
+        $request = $this->container->get('request');
+      }
     }
     $this->container = NULL;
     $class = $this->getClassName();
@@ -445,8 +452,10 @@ protected function initializeContainer() {
     // Set the class loader which was registered as a synthetic service.
     $this->container->set('class_loader', $this->classLoader);
     // If we have a request set it back to the new container.
-    if (isset($request)) {
+    if ($request_scope) {
       $this->container->enterScope('request');
+    }
+    if (isset($request)) {
       $this->container->set('request', $request);
     }
     \Drupal::setContainer($this->container);
diff --git a/core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php
new file mode 100644
index 0000000000000000000000000000000000000000..cf4dca18fab4720f1cc21399680fd239211a808a
--- /dev/null
+++ b/core/lib/Drupal/Core/EventSubscriber/AjaxResponseSubscriber.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\EventSubscriber\AjaxResponseSubscriber.
+ */
+
+namespace Drupal\Core\EventSubscriber;
+
+use Drupal\Core\Ajax\AjaxResponse;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+class AjaxResponseSubscriber implements EventSubscriberInterface {
+
+  /**
+   * Renders the ajax commands right before preparing the result.
+   *
+   * @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
+   *   The response event, which contains the possible AjaxResponse object.
+   */
+  public function onResponse(FilterResponseEvent $event) {
+    $response = $event->getResponse();
+    if ($response instanceof AjaxResponse) {
+      $response->prepareResponse($event->getRequest());
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events[KernelEvents::RESPONSE][] = array('onResponse', -100);
+
+    return $events;
+  }
+
+}
diff --git a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
index 4d22fbf8e6bfa7d9abce99c9abbae84ec968945e..209d08b6b0ab2e964087faab0abcc37854012529 100644
--- a/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
+++ b/core/modules/comment/lib/Drupal/comment/Entity/Comment.php
@@ -216,10 +216,10 @@ public function id() {
   public function preSave(EntityStorageControllerInterface $storage_controller) {
     parent::preSave($storage_controller);
 
-    global $user;
+    $user = \Drupal::currentUser();
 
     if (!isset($this->status->value)) {
-      $this->status->value = user_access('skip comment approval') ? COMMENT_PUBLISHED : COMMENT_NOT_PUBLISHED;
+      $this->status->value = $user->hasPermission('skip comment approval') ? COMMENT_PUBLISHED : COMMENT_NOT_PUBLISHED;
     }
     if ($this->isNew()) {
       // Add the comment to database. This next section builds the thread field.
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
index b7fb02fc2f514fb1f1a89081e22d8e32a459488d..5eb5b26e5cb839c1b665167ca37214cbcf710654 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
@@ -13,6 +13,7 @@
 use Symfony\Component\DependencyInjection\Reference;
 use Drupal\Core\Database\Database;
 use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Base test case class for Drupal unit tests.
@@ -188,7 +189,8 @@ public function containerBuild(ContainerBuilder $container) {
       $definition = $container->getDefinition('path_processor_alias');
       $definition->clearTag('path_processor_inbound')->clearTag('path_processor_outbound');
     }
-
+    $request = Request::create('/');
+    $this->container->set('request', $request);
   }
 
   /**
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
index c00f72f36b9c409157f7e30a7e74004d50f37ff8..2108b677eaba5d8388491ebed32373a08b20f2b4 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
@@ -18,6 +18,7 @@
 use Drupal\Core\DrupalKernel;
 use Drupal\Core\Language\Language;
 use Drupal\Core\StreamWrapper\PublicStream;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Base class for Drupal tests.
@@ -973,6 +974,10 @@ protected function prepareEnvironment() {
     // Register info parser.
     $this->container->register('info_parser', 'Drupal\Core\Extension\InfoParser');
 
+    $request = Request::create('/');
+    $this->container->set('request', $request);
+    $this->container->set('current_user', $GLOBALS['user']);
+
     \Drupal::setContainer($this->container);
 
     // Unset globals.
@@ -1035,12 +1040,16 @@ protected function prepareConfigDirectories() {
    *   enabled modules to be immediately available in the same request.
    */
   protected function rebuildContainer() {
+    // Preserve the request object after the container rebuild.
+    $request = \Drupal::request();
+
     $this->kernel = new DrupalKernel('testing', drupal_classloader(), FALSE);
     $this->kernel->boot();
     // DrupalKernel replaces the container in \Drupal::getContainer() with a
     // different object, so we need to replace the instance on this test class.
     $this->container = \Drupal::getContainer();
     // The global $user is set in TestBase::prepareEnvironment().
+    $this->container->set('request', $request);
     $this->container->set('current_user', $GLOBALS['user']);
   }
 
diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php b/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
index 7af12f77c7acfc15d129bfb389ac5c1382c4e3f5..0268284ba90e69f911b8902a135e077a441c4bc8 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php
@@ -14,6 +14,7 @@
 use Drupal\views\ViewExecutable;
 use Drupal\views\Plugin\views\PluginBase;
 use Drupal\views\Views;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException as DependencyInjectionRuntimeException;
 
 /**
  * @defgroup views_display_plugins Views display plugins
@@ -886,8 +887,15 @@ public function getHandlers($type) {
         // If this is during form submission and there are temporary options
         // which can only appear if the view is in the edit cache, use those
         // options instead. This is used for AJAX multi-step stuff.
-        if (\Drupal::request()->request->get('form_id') && isset($this->view->temporary_options[$type][$id])) {
-          $info = $this->view->temporary_options[$type][$id];
+        // @todo Remove dependency on Request object
+        //   https://drupal.org/node/2059003.
+        try {
+          $request = \Drupal::request();
+          if ($request->request->get('form_id') && isset($this->view->temporary_options[$type][$id])) {
+            $info = $this->view->temporary_options[$type][$id];
+          }
+        }
+        catch (DependencyInjectionRuntimeException $e) {
         }
 
         if ($info['id'] != $id) {
diff --git a/core/modules/views/lib/Drupal/views/Tests/Plugin/DisplayPageTest.php b/core/modules/views/lib/Drupal/views/Tests/Plugin/DisplayPageTest.php
index dc51709d3cb03de1abde8841dc97d4b89b006c88..b4e343d407208b1f1c066f9ca94153d03765205f 100644
--- a/core/modules/views/lib/Drupal/views/Tests/Plugin/DisplayPageTest.php
+++ b/core/modules/views/lib/Drupal/views/Tests/Plugin/DisplayPageTest.php
@@ -81,11 +81,14 @@ public function testPageResponses() {
     $response = $this->container->get('http_kernel')->handle($subrequest, HttpKernelInterface::SUB_REQUEST);
     $this->assertEqual($response->getStatusCode(), 200);
 
+    $subrequest = Request::create('/test_page_display_200', 'GET');
+    \Drupal::getContainer()->set('request', $subrequest);
+
     // Test accessing a disabled page for a view.
     $view = views_get_view('test_page_display');
     // Disable the view, rebuild menu, and request the page again.
     $view->storage->disable()->save();
-    $subrequest = Request::create('/test_page_display_200', 'GET');
+
     $response = $this->container->get('http_kernel')->handle($subrequest, HttpKernelInterface::SUB_REQUEST);
     $this->assertEqual($response->getStatusCode(), 404);
   }
diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 58f45ae9451f60f1a0930659dc73dfe96b4c8a90..7912f6a9f68575a89f28c8bad91327a64463a87d 100755
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -39,6 +39,10 @@
   exit;
 }
 simpletest_classloader_register();
+// We have to add a Request.
+$request = \Symfony\Component\HttpFoundation\Request::createFromGlobals();
+$container = \Drupal::getContainer();
+$container->set('request', $request);
 
 if ($args['clean']) {
   // Clean up left-over times and directories.
@@ -477,8 +481,11 @@ function simpletest_script_run_one_test($test_id, $test_class) {
   try {
     // Bootstrap Drupal.
     drupal_bootstrap(DRUPAL_BOOTSTRAP_CODE);
-
     simpletest_classloader_register();
+    // We have to add a Request.
+    $request = \Symfony\Component\HttpFoundation\Request::createFromGlobals();
+    $container = \Drupal::getContainer();
+    $container->set('request', $request);
 
     // Override configuration according to command line parameters.
     $conf['simpletest.settings']['verbose'] = $args['verbose'];
diff --git a/core/update.php b/core/update.php
index 7abd5665526274fcb19af8573fb5bcc06ec689e5..f3f381be103f476c4d93f5f989e35debeca8ed02 100644
--- a/core/update.php
+++ b/core/update.php
@@ -450,13 +450,14 @@ function update_check_requirements($skip_warnings = FALSE) {
 
 // Determine if the current user has access to run update.php.
 drupal_bootstrap(DRUPAL_BOOTSTRAP_VARIABLES);
-require_once DRUPAL_ROOT . '/' . settings()->get('session_inc', 'core/includes/session.inc');
-drupal_session_initialize();
 
 // A request object from the HTTPFoundation to tell us about the request.
 $request = Request::createFromGlobals();
 \Drupal::getContainer()->set('request', $request);
 
+require_once DRUPAL_ROOT . '/' . settings()->get('session_inc', 'core/includes/session.inc');
+drupal_session_initialize();
+
 // Ensure that URLs generated for the home and admin pages don't have 'update.php'
 // in them.
 $generator = \Drupal::urlGenerator();