diff --git a/core/lib/Drupal/Core/Menu/ContextualLinkManager.php b/core/lib/Drupal/Core/Menu/ContextualLinkManager.php
index 8b1c159..c06dfe6 100644
--- a/core/lib/Drupal/Core/Menu/ContextualLinkManager.php
+++ b/core/lib/Drupal/Core/Menu/ContextualLinkManager.php
@@ -62,6 +62,13 @@ class ContextualLinkManager extends DefaultPluginManager implements ContextualLi
   protected $accessManager;
 
   /**
+   * A static cache of all the contextual link plugins by group name.
+   *
+   * @var array
+   */
+  protected $pluginsByGroup;
+
+  /**
    * Constructs a new ContextualLinkManager instance.
    *
    * @param \Drupal\Core\Controller\ControllerResolverInterface $controller_resolver
@@ -106,8 +113,12 @@ public function processDefinition(&$definition, $plugin_id) {
    * {@inheritdoc}
    */
   public function getContextualLinkPluginsByGroup($group_name) {
-    if ($cache = $this->cacheBackend->get($this->cacheKey . ':' . $group_name)) {
+    if (isset($this->pluginsByGroup[$group_name])) {
+      $contextual_links = $this->pluginsByGroup[$group_name];
+    }
+    elseif ($cache = $this->cacheBackend->get($this->cacheKey . ':' . $group_name)) {
       $contextual_links = $cache->data;
+      $this->pluginsByGroup[$group_name] = $contextual_links;
     }
     else {
       $contextual_links = array();
@@ -117,6 +128,7 @@ public function getContextualLinkPluginsByGroup($group_name) {
         }
       }
       $this->cacheBackend->set($this->cacheKey . ':' . $group_name, $contextual_links);
+      $this->pluginsByGroup[$group_name] = $contextual_links;
     }
     return $contextual_links;
   }
diff --git a/core/tests/Drupal/Tests/Core/Menu/ContextualLinkManagerTest.php b/core/tests/Drupal/Tests/Core/Menu/ContextualLinkManagerTest.php
index 229798f..e7bef33 100644
--- a/core/tests/Drupal/Tests/Core/Menu/ContextualLinkManagerTest.php
+++ b/core/tests/Drupal/Tests/Core/Menu/ContextualLinkManagerTest.php
@@ -189,6 +189,11 @@ public function testGetContextualLinkPluginsByGroupWithCache() {
 
     $result = $this->contextualLinkManager->getContextualLinkPluginsByGroup('group1');
     $this->assertEquals($definitions, $result);
+
+    // Ensure that the static cache works, so no second cache get is executed.
+
+    $result = $this->contextualLinkManager->getContextualLinkPluginsByGroup('group1');
+    $this->assertEquals($definitions, $result);
   }
 
   /**