Added a new profiler_markup_version to improve BC of the new toolbar

src/Symfony/Bundle/WebProfilerBundle/Controller/ProfilerController.php

@@ -207,6 +207,7 @@ class ProfilerController
             'templates' => $this->getTemplateManager()->getTemplates($profile),
             'profiler_url' => $url,
             'token' => $token,
+            'profiler_markup_version' => 2, // 1 = original toolbar, 2 = Symfony 2.8+ toolbar
         )), 200, array('Content-Type' => 'text/html'));
     }
 

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/toolbar.html.twig

@@ -30,7 +30,8 @@
             'collector': profile.getcollector(name),
             'profiler_url': profiler_url,
             'token': profile.token,
-            'name': name
+            'name': name,
+            'profiler_markup_version': profiler_markup_version
           })
         }}
     {% endfor %}