diff --git a/core/lib/Drupal/Core/DependencyInjection/BootstrapContainer.php b/core/lib/Drupal/Core/DependencyInjection/BootstrapContainer.php
index 1e9ff04..28674a9 100644
--- a/core/lib/Drupal/Core/DependencyInjection/BootstrapContainer.php
+++ b/core/lib/Drupal/Core/DependencyInjection/BootstrapContainer.php
@@ -142,7 +142,10 @@ protected function createService($definition, $id) {
 
     // Share the service if it is public.
     if (!isset($definition['public']) || $definition['public'] !== FALSE) {
-      $this->services[$id] = $service;
+      // Forward compatibility fix for Symfony 2.8 update.
+      if (!isset($definition['shared']) || $definition['shared'] !== FALSE) {
+        $this->services[$id] = $service;
+      }
     }
 
     if (isset($definition['calls'])) {
diff --git a/core/lib/Drupal/Core/DependencyInjection/Container.php b/core/lib/Drupal/Core/DependencyInjection/Container.php
index 350d6e1..4fcf980 100644
--- a/core/lib/Drupal/Core/DependencyInjection/Container.php
+++ b/core/lib/Drupal/Core/DependencyInjection/Container.php
@@ -303,7 +303,10 @@ protected function createService($definition, $id) {
 
     // Share the service if it is public.
     if (!isset($definition['public']) || $definition['public'] !== FALSE) {
-      $this->services[$id] = $service;
+      // Forward compatibility fix for Symfony 2.8 update.
+      if (!isset($definition['shared']) || $definition['shared'] !== FALSE) {
+        $this->services[$id] = $service;
+      }
     }
 
     if (isset($definition['calls'])) {
diff --git a/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php b/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
index 9b2a637..541bfa1 100644
--- a/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
+++ b/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
@@ -212,7 +212,15 @@ protected function getServiceDefinition($definition) {
     }
 
     if (($scope = $definition->getScope()) !== ContainerInterface::SCOPE_CONTAINER) {
-      throw new InvalidArgumentException("The 'scope' definition is deprecated in Symfony 3.0 and not supported by Drupal 8.");
+      if ($scope === ContainerInterface::SCOPE_PROTOTYPE) {
+        // Scope prototype has been replaced with 'shared' => FALSE.
+        // This is a Symfony 2.8 forward compatibility fix.
+        // Reference: https://github.com/symfony/symfony/blob/2.8/UPGRADE-2.8.md#dependencyinjection
+        $service['shared'] = FALSE;
+      }
+      else {
+        throw new InvalidArgumentException("The 'scope' definition is deprecated in Symfony 3.0 and not supported by Drupal 8.");
+      }
     }
 
     if (($decorated = $definition->getDecoratedService()) !== NULL) {
diff --git a/core/tests/Drupal/Tests/Core/DependencyInjection/Dumper/PhpArrayDumperTest.php b/core/tests/Drupal/Tests/Core/DependencyInjection/Dumper/PhpArrayDumperTest.php
index 81d26cb..91934c0 100644
--- a/core/tests/Drupal/Tests/Core/DependencyInjection/Dumper/PhpArrayDumperTest.php
+++ b/core/tests/Drupal/Tests/Core/DependencyInjection/Dumper/PhpArrayDumperTest.php
@@ -223,6 +223,8 @@ public function getDefinitionsDataProvider() {
        'arguments_count' => 0,
        'properties' => array(),
        'calls' => array(),
+       'scope' => ContainerInterface::SCOPE_CONTAINER,
+       'shared' => TRUE,
        'factory' => FALSE,
        'configurator' => FALSE,
     );
@@ -325,6 +327,11 @@ public function getDefinitionsDataProvider() {
       'calls' => $calls,
     ) + $base_service_definition;
 
+    $service_definitions[] = array(
+      'scope' => ContainerInterface::SCOPE_PROTOTYPE,
+      'shared' => FALSE,
+    ) + $base_service_definition;
+
     // Test factory.
     $service_definitions[] = array(
       'factory' => array(new Reference('bar'), 'factoryMethod'),
@@ -363,7 +370,7 @@ public function getDefinitionsDataProvider() {
       $definition->getArguments()->willReturn($service_definition['arguments']);
       $definition->getProperties()->willReturn($service_definition['properties']);
       $definition->getMethodCalls()->willReturn($service_definition['calls']);
-      $definition->getScope()->willReturn(ContainerInterface::SCOPE_CONTAINER);
+      $definition->getScope()->willReturn($service_definition['scope']);
       $definition->getDecoratedService()->willReturn(NULL);
       $definition->getFactory()->willReturn($service_definition['factory']);
       $definition->getConfigurator()->willReturn($service_definition['configurator']);
@@ -395,6 +402,9 @@ public function getDefinitionsDataProvider() {
         }
       }
 
+      // Remove any remaining scope.
+      unset($filtered_service_definition['scope']);
+
       if (isset($filtered_service_definition['public']) && $filtered_service_definition['public'] === FALSE) {
         $services_provided[] = array(
           array('foo_service' => $definition->reveal()),
diff --git a/core/tests/Drupal/Tests/Core/DependencyInjection/PhpArray/ContainerTest.php b/core/tests/Drupal/Tests/Core/DependencyInjection/PhpArray/ContainerTest.php
index 92192e4..54f4267 100644
--- a/core/tests/Drupal/Tests/Core/DependencyInjection/PhpArray/ContainerTest.php
+++ b/core/tests/Drupal/Tests/Core/DependencyInjection/PhpArray/ContainerTest.php
@@ -119,6 +119,7 @@ public function test_setParameter_frozenContainer() {
 
   /**
    * Tests that Container::get() works properly.
+   *
    * @covers ::get
    * @covers ::createService
    */
@@ -143,6 +144,19 @@ public function test_get() {
     $this->assertEquals($service->_someProperty, 'foo', 'Service has added properties.');
   }
 
+  /**
+   * Tests that Container::get() for non-shared services works properly.
+   *
+   * @covers ::get
+   * @covers ::createService
+   */
+  public function test_get_nonShared() {
+    $service = $this->container->get('non_shared_service');
+    $service2 = $this->container->get('non_shared_service');
+
+    $this->assertNotSame($service, $service2, 'Non shared services are always re-instantiated.');
+  }
+
  /**
    * Tests that Container::get() works properly for class from parameters.
    * @covers ::get
@@ -718,6 +732,12 @@ protected function getMockContainerDefinition() {
     $services['other.service'] = array(
       'class' => get_class($fake_service),
     );
+
+    $services['non_shared_service'] = array(
+      'class' => get_class($fake_service),
+      'shared' => FALSE,
+    );
+
     $services['other.service_class_from_parameter'] = array(
       'class' => $this->getParameterCall('some_parameter_class'),
     );