diff --git a/config/packages/twig.yaml b/config/packages/twig.yaml
index 4c5563db10..4d2ae4a5fa 100644
--- a/config/packages/twig.yaml
+++ b/config/packages/twig.yaml
@@ -1,6 +1,6 @@
 twig:
     debug: '%kernel.debug%'
-    paths: ['%kernel.project_dir%/templates', '%kernel.project_dir%/main/template/']
+    paths: ['%kernel.project_dir%/templates', '%kernel.project_dir%/main/template/', '%kernel.project_dir%/plugin/']
     form_themes:
         - 'bootstrap_4_layout.html.twig'
         - '@SonataFormatter/Form/formatter.html.twig'
@@ -22,24 +22,4 @@ twig:
         header:
         message:
         show_media_element: 1
-        plugin_content_bottom:
-        plugin_content_top:
-        plugin_main_bottom:
-        plugin_course_tool_plugin:
-        plugin_footer_center:
-        plugin_footer_left:
-        plugin_footer_right:
-        plugin_header_center:
-        plugin_header_left:
-        plugin_header_right:
-        plugin_header_main:
-        plugin_login_bottom:
-        plugin_login_top:
-        plugin_login_left:
-        plugin_login_right:
-        plugin_main_top:
-        plugin_menu_administrator:
-        plugin_menu_bottom:
-        plugin_menu_top:
-        plugin_pre_footer:
         footer_extra_content:
diff --git a/main/inc/global.inc.php b/main/inc/global.inc.php
index 9c65b84854..a7cc01bb81 100755
--- a/main/inc/global.inc.php
+++ b/main/inc/global.inc.php
@@ -176,7 +176,7 @@ try {
     \Patchwork\Utf8\Bootup::initAll();
 
     // access_url == 1 is the default chamilo location
-    if ($_configuration['access_url'] != 1) {
+    /*if ($_configuration['access_url'] != 1) {
         $url_info = api_get_access_url($_configuration['access_url']);
         if ($url_info['active'] == 1) {
             $settings_by_access = &api_get_settings(null, 'list', $_configuration['access_url'], 1);
@@ -193,9 +193,9 @@ try {
                 $settings_by_access_list[$row['variable']][$row['subkey']][$row['category']] = $row;
             }
         }
-    }
+    }*/
 
-    $result = &api_get_settings(null, 'list', 1);
+    /*$result = &api_get_settings(null, 'list', 1);
     foreach ($result as &$row) {
         if ($_configuration['access_url'] != 1) {
             if ($url_info['active'] == 1) {
@@ -234,9 +234,9 @@ try {
                 $_setting[$row['variable']][$row['subkey']] = $row['selected_value'];
             }
         }
-    }
+    }*/
 
-    $result = &api_get_settings('Plugins', 'list', $_configuration['access_url']);
+    /*$result = &api_get_settings('Plugins', 'list', $_configuration['access_url']);
     $_plugins = [];
     foreach ($result as &$row) {
         $key = &$row['variable'];
@@ -250,7 +250,7 @@ try {
             $_setting[$key][$row['subkey']] = $row['selected_value'];
             $_plugins[$key][$row['subkey']] = $row['selected_value'];
         }
-    }
+    }*/
 
     // Error reporting settings.
     if (api_get_setting('server_type') === 'test') {
diff --git a/main/inc/lib/api.lib.php b/main/inc/lib/api.lib.php
index 26daa1e0dd..e334855d04 100644
--- a/main/inc/lib/api.lib.php
+++ b/main/inc/lib/api.lib.php
@@ -838,8 +838,7 @@ function api_get_path($path = '', $configuration = [])
     }
 
     $isInitialized = [];
-    $course_folder = isset($configuration['course_folder']) ? $configuration['course_folder'] : $course_folder;
-    $root_rel = isset($configuration['url_append']) ? $configuration['url_append'] : '';
+    $root_rel = $configuration['url_append'] ?? '';
 
     // Web server base and system server base.
     if (!array_key_exists($root_web, $isInitialized)) {
@@ -856,7 +855,7 @@ function api_get_path($path = '', $configuration = [])
         // upgraded to return correct results in this case.
 
         // Dealing with trailing slashes.
-        $slashed_root_web = api_add_trailing_slash($root_web);
+        $rootWebWithSlash = api_add_trailing_slash($root_web);
         $root_sys = api_add_trailing_slash($root_sys);
         $root_rel = api_add_trailing_slash($root_rel);
         $code_folder = api_add_trailing_slash($code_folder);
@@ -868,25 +867,25 @@ function api_get_path($path = '', $configuration = [])
         $paths[$root_web][REL_CODE_PATH] = $root_rel.$code_folder;
         $paths[$root_web][REL_DEFAULT_COURSE_DOCUMENT_PATH] = $paths[$root_web][REL_PATH].'main/default_course_document/';
 
-        $paths[$root_web][WEB_PATH] = $slashed_root_web;
-        $paths[$root_web][WEB_CODE_PATH] = $paths[$root_web][WEB_PATH].$code_folder;
-        $paths[$root_web][WEB_COURSE_PATH] = $paths[$root_web][WEB_PATH].$course_folder;
-        $paths[$root_web][WEB_DEFAULT_COURSE_DOCUMENT_PATH] = $paths[$root_web][WEB_CODE_PATH].'default_course_document/';
-        $paths[$root_web][WEB_APP_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_APP_PATH];
-        $paths[$root_web][WEB_PLUGIN_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_PLUGIN_PATH];
-        $paths[$root_web][WEB_PLUGIN_ASSET_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_PLUGIN_ASSET_PATH];
-        $paths[$root_web][WEB_ARCHIVE_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_ARCHIVE_PATH];
+        $paths[$root_web][WEB_PATH] = $rootWebWithSlash;
+        $paths[$root_web][WEB_CODE_PATH] = $rootWebWithSlash.$code_folder;
+        $paths[$root_web][WEB_COURSE_PATH] = $rootWebWithSlash.$course_folder;
+        $paths[$root_web][WEB_APP_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_APP_PATH];
+        $paths[$root_web][WEB_PLUGIN_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_PLUGIN_PATH];
+        $paths[$root_web][WEB_PLUGIN_ASSET_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_PLUGIN_ASSET_PATH];
+        $paths[$root_web][WEB_ARCHIVE_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_ARCHIVE_PATH];
+        $paths[$root_web][WEB_CSS_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_CSS_PATH];
+        $paths[$root_web][WEB_UPLOAD_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_UPLOAD_PATH];
+        $paths[$root_web][WEB_PUBLIC_PATH] = $rootWebWithSlash.$paths[$root_web][WEB_PUBLIC_PATH];
+        $paths[$root_web][WEB_HOME_PATH] = $rootWebWithSlash.$paths[$root_web][REL_HOME_PATH];
 
-        $paths[$root_web][WEB_CSS_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_CSS_PATH];
+        $paths[$root_web][WEB_DEFAULT_COURSE_DOCUMENT_PATH] = $paths[$root_web][WEB_CODE_PATH].'default_course_document/';
         $paths[$root_web][WEB_IMG_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_IMG_PATH];
         $paths[$root_web][WEB_LIBRARY_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_LIBRARY_PATH];
         $paths[$root_web][WEB_LIBRARY_JS_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_LIBRARY_JS_PATH];
         $paths[$root_web][WEB_AJAX_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_AJAX_PATH];
         $paths[$root_web][WEB_FONTS_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_FONTS_PATH];
         $paths[$root_web][WEB_TEMPLATE_PATH] = $paths[$root_web][WEB_CODE_PATH].$paths[$root_web][WEB_TEMPLATE_PATH];
-        $paths[$root_web][WEB_UPLOAD_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_UPLOAD_PATH];
-        $paths[$root_web][WEB_PUBLIC_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][WEB_PUBLIC_PATH];
-        $paths[$root_web][WEB_HOME_PATH] = $paths[$root_web][WEB_PATH].$paths[$root_web][REL_HOME_PATH];
 
         $paths[$root_web][SYS_PATH] = $root_sys;
         $paths[$root_web][SYS_CODE_PATH] = $root_sys.$code_folder;
diff --git a/main/inc/lib/plugin.lib.php b/main/inc/lib/plugin.lib.php
index 3015da6aef..4b9b1e8603 100755
--- a/main/inc/lib/plugin.lib.php
+++ b/main/inc/lib/plugin.lib.php
@@ -260,14 +260,14 @@ class AppPlugin
      *
      * @return null|string
      */
-    public function load_region($region, $template, $forced = false)
+    public function loadRegion($pluginRegionList, $region, $template, $forced = false)
     {
-        if ($region == 'course_tool_plugin') {
+        if ($region === 'course_tool_plugin') {
             return '';
         }
 
         ob_start();
-        $this->get_all_plugin_contents_by_region($region, $template, $forced);
+        $this->get_all_plugin_contents_by_region($pluginRegionList, $region, $template, $forced);
         $content = ob_get_contents();
         ob_end_clean();
 
@@ -284,13 +284,12 @@ class AppPlugin
      */
     public function load_plugin_lang_variables($plugin_name)
     {
-        global $language_interface;
+        $language_interface = api_get_interface_language();
         $root = api_get_path(SYS_PLUGIN_PATH);
         $strings = null;
 
         // 1. Loading english if exists
-        $english_path = $root.$plugin_name."/lang/english.php";
-
+        $english_path = $root.$plugin_name.'/lang/english.php';
         if (is_readable($english_path)) {
             include $english_path;
 
@@ -302,7 +301,6 @@ class AppPlugin
         // 2. Loading the system language
         if ($language_interface != 'english') {
             $path = $root.$plugin_name."/lang/$language_interface.php";
-
             if (is_readable($path)) {
                 include $path;
                 if (!empty($strings)) {
@@ -311,7 +309,7 @@ class AppPlugin
                     }
                 }
             } else {
-                $interfaceLanguageId = api_get_language_id($language_interface);
+                /*$interfaceLanguageId = api_get_language_id($language_interface);
                 $interfaceLanguageInfo = api_get_language_info($interfaceLanguageId);
                 $languageParentId = intval($interfaceLanguageInfo['parent_id']);
 
@@ -328,7 +326,7 @@ class AppPlugin
                             }
                         }
                     }
-                }
+                }*/
             }
         }
     }
@@ -342,15 +340,15 @@ class AppPlugin
      *
      * @todo improve this function
      */
-    public function get_all_plugin_contents_by_region($region, $template, $forced = false)
+    public function get_all_plugin_contents_by_region($_plugins, $region, $template, $forced = false)
     {
-        global $_plugins;
         if (isset($_plugins[$region]) && is_array($_plugins[$region])) {
             // Load the plugin information
             foreach ($_plugins[$region] as $plugin_name) {
                 // The plugin_info variable is available inside the plugin index
                 $plugin_info = $this->getPluginInfo($plugin_name, $forced);
 
+
                 // We also know where the plugin is
                 $plugin_info['current_region'] = $region;
 
@@ -373,7 +371,7 @@ class AppPlugin
                     }
 
                     // Setting the plugin info available in the template if exists.
-                    $template->assign($plugin_name, $_template);
+                    $template->addGlobal($plugin_name, $_template);
 
                     // Loading the Twig template plugin files if exists
                     $template_list = [];
@@ -698,4 +696,44 @@ class AppPlugin
 
         return false;
     }
+
+
+    public function setPluginRegion($pluginRegionList, $pluginRegion, $twig)
+    {
+        if (!empty($pluginRegion)) {
+            $regionContent = $this->loadRegion(
+                $pluginRegionList,
+                $pluginRegion,
+                $twig,
+                true //$this->force_plugin_load
+            );
+
+            $pluginList = $this->get_installed_plugins();
+            foreach ($pluginList as $plugin_name) {
+                // The plugin_info variable is available inside the plugin index
+                $pluginInfo = $this->getPluginInfo($plugin_name);
+
+                if (isset($pluginInfo['is_course_plugin']) && $pluginInfo['is_course_plugin']) {
+                    $courseInfo = api_get_course_info();
+                    if (!empty($courseInfo)) {
+                        if (isset($pluginInfo['obj']) && $pluginInfo['obj'] instanceof Plugin) {
+                            /** @var Plugin $plugin */
+                            $plugin = $pluginInfo['obj'];
+                            $regionContent .= $plugin->renderRegion($pluginRegion);
+                        }
+                    }
+                } else {
+                    continue;
+                }
+            }
+
+            if (!empty($regionContent)) {
+                $twig->addGlobal('plugin_'.$pluginRegion, $regionContent);
+            } else {
+                $twig->addGlobal('plugin_'.$pluginRegion, null);
+            }
+        }
+
+        return null;
+    }
 }
diff --git a/main/inc/lib/template.lib.php b/main/inc/lib/template.lib.php
index 309d34e1fa..6281ae3a2e 100755
--- a/main/inc/lib/template.lib.php
+++ b/main/inc/lib/template.lib.php
@@ -75,7 +75,7 @@ class Template
         // Page title
         $this->title = $title;
         $this->show_learnpath = $show_learnpath;
-        $this->setResponseCode($responseCode);
+        //$this->setResponseCode($responseCode);
 
         if (empty($this->show_learnpath)) {
             $origin = api_get_origin();
@@ -88,172 +88,39 @@ class Template
         $this->hide_global_chat = $hide_global_chat;
         $this->load_plugins = $load_plugins;
 
-        $template_paths = [
+        /*$template_paths = [
             api_get_path(SYS_CODE_PATH).'template/overrides', // user defined templates
             api_get_path(SYS_CODE_PATH).'template', //template folder
             api_get_path(SYS_PLUGIN_PATH), // plugin folder
             api_get_path(SYS_PATH).'src/ThemeBundle/Resources/views',
-        ];
-
-        $urlId = api_get_current_access_url_id();
-
-        $cache_folder = api_get_path(SYS_ARCHIVE_PATH).'twig/'.$urlId.'/';
-
-        if (!is_dir($cache_folder)) {
-            //mkdir($cache_folder, api_get_permissions_for_new_directories(), true);
-        }
-
-        $loader = new Twig_Loader_Filesystem($template_paths);
+        ];*/
 
-        $isTestMode = api_get_setting('server_type') === 'test';
-
-        //Setting Twig options depending on the server see http://twig.sensiolabs.org/doc/api.html#environment-options
-        if ($isTestMode) {
-            $options = [
-                //'cache' => api_get_path(SYS_ARCHIVE_PATH), //path to the cache folder
-                'autoescape' => false,
-                'debug' => true,
-                'auto_reload' => true,
-                'optimizations' => 0,
-                // turn on optimizations with -1
-                'strict_variables' => false,
-                //If set to false, Twig will silently ignore invalid variables
-            ];
-        } else {
-            $options = [
-                'cache' => $cache_folder,
-                //path to the cache folder
-                'autoescape' => false,
-                'debug' => false,
-                'auto_reload' => false,
-                'optimizations' => -1,
-                // turn on optimizations with -1
-                'strict_variables' => false,
-                //If set to false, Twig will silently ignore invalid variables
-            ];
-        }
-
-        //$this->twig = new Twig_Environment($loader, $options);
         $this->twig = Container::getTwig();
 
-        if ($isTestMode) {
-            //$this->twig->addExtension(new Twig_Extension_Debug());
-        }
-
-        // Twig filters setup
-        $filters = [
-            'get_plugin_lang',
-            'get_lang',
-            'api_get_path',
-            'api_get_local_time',
-            'api_convert_and_format_date',
-            'api_is_allowed_to_edit',
-            'api_get_user_info',
-            'api_get_configuration_value',
-            'api_get_setting',
-            [
-                'name' => 'return_message',
-                'callable' => 'Display::return_message_and_translate',
-            ],
-            [
-                'name' => 'display_page_header',
-                'callable' => 'Display::page_header_and_translate',
-            ],
-            [
-                'name' => 'display_page_subheader',
-                'callable' => 'Display::page_subheader_and_translate',
-            ],
-            [
-                'name' => 'icon',
-                'callable' => 'Template::get_icon_path',
-            ],
-            [
-                'name' => 'img',
-                'callable' => 'Template::get_image',
-            ],
-            [
-                'name' => 'format_date',
-                'callable' => 'Template::format_date',
-            ],
-            [
-                'name' => 'get_template',
-                'callable' => 'Template::findTemplateFilePath',
-            ],
-            [
-                'name' => 'date_to_time_ago',
-                'callable' => 'Display::dateToStringAgoAndLongDate',
-            ],
-        ];
-
-        foreach ($filters as $filter) {
-            if (is_array($filter)) {
-                //$this->twig->addFilter(new Twig_SimpleFilter($filter['name'], $filter['callable']));
-            } else {
-                //$this->twig->addFilter(new Twig_SimpleFilter($filter, $filter));
-            }
-        }
-
-        /*$this->twig->addFunction(
-            new TwigFunction('sonata_page_render_container', [$this, 'renderContainer'], ['is_safe' => ['html']])
-        );*/
-
-        $functions = [
-            ['name' => 'get_tutors_names', 'callable' => 'Template::returnTutorsNames'],
-            ['name' => 'get_teachers_names', 'callable' => 'Template::returnTeachersNames'],
-        ];
-
-        foreach ($functions as $function) {
-            //$this->twig->addFunction(new Twig_SimpleFunction($function['name'], $function['callable']));
-        }
-
         // Setting system variables
-        $this->set_system_parameters();
+        //$this->set_system_parameters();
 
         // Setting user variables
-        $this->set_user_parameters();
+        //$this->set_user_parameters();
 
         // Setting course variables
-        $this->set_course_parameters();
+        //$this->set_course_parameters();
 
         // Setting administrator variables
         //$this->setAdministratorParams();
         //$this->setCSSEditor();
 
         // Header and footer are showed by default
-        $this->set_footer($show_footer);
-        $this->set_header($show_header);
+        //$this->set_footer($show_footer);
+        //$this->set_header($show_header);
 
-        $this->set_header_parameters($sendHeaders);
-        $this->set_footer_parameters();
+        //$this->set_header_parameters($sendHeaders);
+        //$this->set_footer_parameters();
 
         $defaultStyle = api_get_configuration_value('default_template');
         if (!empty($defaultStyle)) {
             $this->templateFolder = $defaultStyle;
         }
-
-        $this->assign('template', $this->templateFolder);
-        $this->assign('locale', api_get_language_isocode());
-        $this->assign('login_class', null);
-
-        // Chamilo plugins
-        if ($this->show_header) {
-            if ($this->load_plugins) {
-                $this->plugin = new AppPlugin();
-
-                //1. Showing installed plugins in regions
-                $pluginRegions = $this->plugin->get_plugin_regions();
-                foreach ($pluginRegions as $region) {
-                    $this->set_plugin_region($region);
-                }
-
-                //2. Loading the course plugin info
-                global $course_plugin;
-                if (isset($course_plugin) && !empty($course_plugin) && !empty($this->course_id)) {
-                    //Load plugin get_langs
-                    $this->plugin->load_plugin_lang_variables($course_plugin);
-                }
-            }
-        }
     }
 
     /**
@@ -1028,48 +895,6 @@ class Template
         $this->display($tpl);
     }
 
-    /**
-     * Sets the plugin content in a template variable.
-     *
-     * @param string $pluginRegion
-     */
-    public function set_plugin_region($pluginRegion)
-    {
-        if (!empty($pluginRegion)) {
-            $regionContent = $this->plugin->load_region(
-                $pluginRegion,
-                $this,
-                $this->force_plugin_load
-            );
-
-            $pluginList = $this->plugin->get_installed_plugins();
-            foreach ($pluginList as $plugin_name) {
-                // The plugin_info variable is available inside the plugin index
-                $pluginInfo = $this->plugin->getPluginInfo($plugin_name);
-
-                if (isset($pluginInfo['is_course_plugin']) && $pluginInfo['is_course_plugin']) {
-                    $courseInfo = api_get_course_info();
-                    if (!empty($courseInfo)) {
-                        if (isset($pluginInfo['obj']) && $pluginInfo['obj'] instanceof Plugin) {
-                            /** @var Plugin $plugin */
-                            $plugin = $pluginInfo['obj'];
-                            $regionContent .= $plugin->renderRegion($pluginRegion);
-                        }
-                    }
-                } else {
-                    continue;
-                }
-            }
-
-            if (!empty($regionContent)) {
-                $this->assign('plugin_'.$pluginRegion, $regionContent);
-            } else {
-                $this->assign('plugin_'.$pluginRegion, null);
-            }
-        }
-
-        return null;
-    }
 
     /**
      * @param string $template
@@ -1613,8 +1438,8 @@ class Template
         $this->assign('portal_name', $portal_name);
 
         //Menu
-        $menu = menuArray();
-        $this->assign('menu', $menu);
+        //$menu = menuArray();
+        //$this->assign('menu', $menu);
 
         $breadcrumb = '';
         // Hide breadcrumb in LP
diff --git a/src/CoreBundle/EventListener/LegacyListener.php b/src/CoreBundle/EventListener/LegacyListener.php
index 758aa1b429..db77d9e249 100644
--- a/src/CoreBundle/EventListener/LegacyListener.php
+++ b/src/CoreBundle/EventListener/LegacyListener.php
@@ -136,13 +136,6 @@ class LegacyListener
             // Theme icon is loaded in the TwigListener src/ThemeBundle/EventListener/TwigListener.php
             //$theme = api_get_visual_theme();
             //$twig->addGlobal('favico', \Template::getPortalIcon($theme));
-
-            $extraFooter = trim(api_get_setting('footer_extra_content'));
-            $twig->addGlobal('footer_extra_content', $extraFooter);
-
-            $extraHeader = trim(api_get_setting('header_extra_content'));
-            $twig->addGlobal('header_extra_content', $extraHeader);
-
             $languages = api_get_languages();
             $languageList = [];
             foreach ($languages as $isoCode => $language) {
diff --git a/src/CoreBundle/EventListener/PluginListener.php b/src/CoreBundle/EventListener/PluginListener.php
deleted file mode 100644
index 6dd9ca807c..0000000000
--- a/src/CoreBundle/EventListener/PluginListener.php
+++ /dev/null
@@ -1,132 +0,0 @@
-<?php
-/* For licensing terms, see /license.txt */
-
-namespace Chamilo\CoreBundle\EventListener;
-
-use Symfony\Component\DependencyInjection\ContainerAwareTrait;
-use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
-use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
-use Symfony\Component\HttpKernel\Event\GetResponseEvent;
-
-/**
- * Class PluginListener.
- *
- * @package Chamilo\CoreBundle\EventListener
- */
-class PluginListener
-{
-    use ContainerAwareTrait;
-
-    /**
-     * @param GetResponseEvent $event
-     */
-    public function onKernelRequest(GetResponseEvent $event)
-    {
-    }
-
-    /**
-     * @param FilterResponseEvent $event
-     */
-    public function onKernelResponse(FilterResponseEvent $event)
-    {
-    }
-
-    /**
-     * @param FilterControllerEvent $event
-     */
-    public function onKernelController(FilterControllerEvent $event)
-    {
-        $request = $event->getRequest();
-        $controller = $request->get('_controller');
-        // Only process legacy listener when loading legacy controller
-        /*if ($controller != 'Chamilo\CoreBundle\Controller\LegacyController::classicAction') {
-            return;
-        }*/
-
-        $skipControllers = [
-            'web_profiler.controller.profiler:toolbarAction',
-            'fos_js_routing.controller:indexAction',
-        ];
-
-        // Skip legacy listener
-        if (in_array($controller, $skipControllers)) {
-            return;
-        }
-
-        // Legacy way of detect current access_url
-        $request = $event->getRequest();
-        if (!$request->hasPreviousSession()) {
-            return;
-        }
-
-        $controller = $request->get('_controller');
-
-        // Only process legacy listener when loading legacy controller
-        /*if ($controller != 'Chamilo\CoreBundle\Controller\LegacyController::classicAction') {
-            return;
-        }*/
-        $skipControllers = [
-            'web_profiler.controller.profiler:searchBarAction',
-            'FOS\RestBundle\Controller\ExceptionController::showAction',
-            'web_profiler.controller.profiler:panelAction',
-            'web_profiler.controller.profiler:toolbarAction', // debug toolbar
-            'fos_js_routing.controller:indexAction', // js/routing?callback=fos.Router.setData
-        ];
-
-        // Skip legacy listener
-        if (in_array($controller, $skipControllers)) {
-            return;
-        }
-
-        /** @var ContainerInterface $container */
-        $container = $this->container;
-        $installed = $this->container->getParameter('installed');
-        if (!empty($installed)) {
-            return;
-            //$result = & api_get_settings('Plugins', 'list', $_configuration['access_url']);
-            $result = &api_get_settings('Plugins', 'list', 1);
-
-            $_plugins = [];
-            foreach ($result as &$row) {
-                $key = $row['variable'];
-                $_plugins[$key][] = $row['selected_value'];
-            }
-
-            // Loading Chamilo plugins
-            $appPlugin = new \AppPlugin();
-            $pluginRegions = $appPlugin->get_plugin_regions();
-
-            $force_plugin_load = true;
-            $pluginList = $appPlugin->get_installed_plugins();
-            $courseId = $request->getSession()->get('_real_cid');
-
-            foreach ($pluginRegions as $pluginRegion) {
-                $regionContent = $appPlugin->load_region(
-                    $pluginRegion,
-                    $container->get('twig'),
-                    $_plugins,
-                    $force_plugin_load
-                );
-
-                foreach ($pluginList as $pluginName) {
-                    // The plugin_info variable is available inside the plugin index
-                    $pluginInfo = $appPlugin->getPluginInfo($pluginName);
-                    if (isset($pluginInfo['is_course_plugin']) && $pluginInfo['is_course_plugin']) {
-                        if (!empty($courseId)) {
-                            if (isset($pluginInfo['obj']) && $pluginInfo['obj'] instanceof \Plugin) {
-                                /** @var \Plugin $plugin */
-                                $plugin = $pluginInfo['obj'];
-                                $regionContent .= $plugin->renderRegion($pluginRegion);
-                            }
-                        }
-                    } else {
-                        continue;
-                    }
-                }
-
-                $container->get('twig')->addGlobal('plugin_'.$pluginRegion, $regionContent);
-            }
-        }
-    }
-}
diff --git a/src/CoreBundle/Menu/NavBuilder.php b/src/CoreBundle/Menu/NavBuilder.php
index 4986176441..b5aafc6268 100644
--- a/src/CoreBundle/Menu/NavBuilder.php
+++ b/src/CoreBundle/Menu/NavBuilder.php
@@ -66,6 +66,8 @@ class NavBuilder implements ContainerAwareInterface
         $menu = $factory->createItem('root');
         $menu->setChildrenAttribute('class', 'navbar-nav');
 
+        $settingsManager = $container->get('chamilo.settings.manager');
+
         $menu->addChild(
             $translator->trans('Home'),
             [
@@ -104,15 +106,17 @@ class NavBuilder implements ContainerAwareInterface
                 ]
             );
 
-            $menu->addChild(
-                $translator->trans('Social'),
-                [
-                    'route' => 'legacy_main',
-                    'routeParameters' => [
-                        'name' => 'social/home.php',
-                    ],
-                ]
-            );
+            if ('true' === $settingsManager->getSetting('social.allow_social_tool')) {
+                $menu->addChild(
+                    $translator->trans('Social'),
+                    [
+                        'route' => 'legacy_main',
+                        'routeParameters' => [
+                            'name' => 'social/home.php',
+                        ],
+                    ]
+                );
+            }
 
             if ($checker->isGranted('ROLE_ADMIN')) {
                 $menu->addChild(
diff --git a/src/CoreBundle/Resources/config/services.yml b/src/CoreBundle/Resources/config/services.yml
index e9e1db6109..551354e0da 100644
--- a/src/CoreBundle/Resources/config/services.yml
+++ b/src/CoreBundle/Resources/config/services.yml
@@ -138,13 +138,13 @@ services:
             - {name: kernel.event_listener, event: kernel.controller, method: onKernelController}
 
     # Setting user and platform locale
-    chamilo_core.listener.plugin:
-        class: Chamilo\CoreBundle\EventListener\PluginListener
-        calls:
-            - [setContainer, ['@service_container']]
-        tags:
-            - {name: kernel.event_listener, event: kernel.request, method: onKernelRequest}
-            - {name: kernel.event_listener, event: kernel.controller, method: onKernelController, priority: 4}
+#    chamilo_core.listener.plugin:
+#        class: Chamilo\CoreBundle\EventListener\PluginListener
+#        calls:
+#            - [setContainer, ['@service_container']]
+#        tags:
+#            - {name: kernel.event_listener, event: kernel.request, method: onKernelRequest}
+#            - {name: kernel.event_listener, event: kernel.controller, method: onKernelController, priority: 4}
 
 # deprecated use
 #    chamilo_core.listener.legacy_login_listener:
diff --git a/src/CoreBundle/Twig/Extension/ChamiloExtension.php b/src/CoreBundle/Twig/Extension/ChamiloExtension.php
index 686b321256..bf1c9011dd 100644
--- a/src/CoreBundle/Twig/Extension/ChamiloExtension.php
+++ b/src/CoreBundle/Twig/Extension/ChamiloExtension.php
@@ -23,7 +23,6 @@ class ChamiloExtension extends \Twig_Extension
             new \Twig_SimpleFilter('icon', 'Template::get_icon_path'),
             new \Twig_SimpleFilter('img', 'Template::get_image'),
             new \Twig_SimpleFilter('api_get_local_time', 'api_get_local_time'),
-            new \Twig_SimpleFilter('api_is_allowed_to_edit', 'api_is_allowed_to_edit'),
             new \Twig_SimpleFilter('format_date', 'Template::format_date'),
             new \Twig_SimpleFilter('date_to_time_ago', 'Display::dateToStringAgoAndLongDate'),
             new \Twig_SimpleFilter('api_get_configuration_value', 'api_get_configuration_value'),
diff --git a/src/ThemeBundle/EventListener/TwigListener.php b/src/ThemeBundle/EventListener/TwigListener.php
index 75fc6c21a4..030841afa1 100644
--- a/src/ThemeBundle/EventListener/TwigListener.php
+++ b/src/ThemeBundle/EventListener/TwigListener.php
@@ -43,13 +43,18 @@ class TwigListener implements EventSubscriberInterface
         Container::setContainer($container);
         Container::setLegacyServices($container);
 
+        $settingsManager = $container->get('chamilo.settings.manager');
+
         $theme = api_get_visual_theme();
         $twig = $container->get('twig');
         $twig->addGlobal('favico', \Template::getPortalIcon($theme));
 
-        if (api_get_setting('show_administrator_data') === 'true') {
-            $firstName = api_get_setting('administratorName');
-            $lastName = api_get_setting('administratorSurname');
+        if ($settingsManager->getSetting('display.show_administrator_data') === 'true') {
+            $firstName = $settingsManager->getSetting('admin.administrator_name');
+            $lastName = $settingsManager->getSetting('admin.administrator_surname');
+            $email = $settingsManager->getSetting('admin.administrator_email');
+            $phone = $settingsManager->getSetting('admin.administrator_phone');
+
             if (!empty($firstName) && !empty($lastName)) {
                 $name = api_get_person_name($firstName, $lastName);
             } else {
@@ -63,28 +68,34 @@ class TwigListener implements EventSubscriberInterface
             // Administrator name
             if (!empty($name)) {
                 $adminName = get_lang('Manager').' : ';
-                $adminName .= \Display::encrypted_mailto_link(api_get_setting('emailAdministrator'), $name);
+                $adminName .= \Display::encrypted_mailto_link($email, $name);
             }
             $twig->addGlobal('administrator_name', $adminName);
+
+            $admin = [
+                'email' => $email,
+                'surname' => $lastName,
+                'name' => $firstName,
+                'telephone' => $phone,
+            ];
+
+            $twig->addGlobal('_admin', $admin);
         }
 
-        $admin = [
-            'email' => api_get_setting('emailAdministrator'),
-            'surname' => api_get_setting('administratorSurname'),
-            'name' => api_get_setting('administratorName'),
-            'telephone' => api_get_setting('administratorTelephone'),
-        ];
+        $extraFooter = trim($settingsManager->getSetting('tracking.footer_extra_content'));
+        $twig->addGlobal('footer_extra_content', $extraFooter);
 
-        $twig->addGlobal('_admin', $admin);
+        $extraHeader = trim($settingsManager->getSetting('tracking.header_extra_content'));
+        $twig->addGlobal('header_extra_content', $extraHeader);
 
-        if (api_get_setting('show_tutor_data') === 'true') {
+        if ($settingsManager->getSetting('display.show_tutor_data') === 'true') {
             // Course manager
             $courseId = api_get_course_int_id();
             $sessionId = api_get_session_id();
 
             if (!empty($courseId)) {
                 $tutorData = '';
-                if ($sessionId != 0) {
+                if ($sessionId !== 0) {
                     $coachEmail = \CourseManager::get_email_of_tutor_to_session(
                         $sessionId,
                         $courseId
@@ -125,6 +136,29 @@ class TwigListener implements EventSubscriberInterface
                 $twig->addGlobal('teachers', $teacherData);
             }
         }
+
+        // Plugins - Region list
+        $pluginConfiguration = api_get_settings('Plugins', 'list', 1);
+        $pluginRegionList = [];
+        foreach ($pluginConfiguration as $plugin) {
+            if ($plugin['type'] === 'region') {
+                $pluginRegionList[$plugin['variable']][] = $plugin['subkey'];
+            }
+        }
+
+        $appPlugin = new \AppPlugin();
+        // 1. Showing installed plugins in regions
+        $pluginRegions = $appPlugin->get_plugin_regions();
+        foreach ($pluginRegions as $region) {
+            $appPlugin->setPluginRegion($pluginRegionList, $region, $twig);
+        }
+
+        //2. Loading the course plugin info
+        global $course_plugin;
+        if (isset($course_plugin) && !empty($course_plugin) && !empty($this->course_id)) {
+            //Load plugin get_langs
+//            $this->plugin->load_plugin_lang_variables($course_plugin);
+        }
     }
 
     /**