diff --git a/_init.php b/_init.php
deleted file mode 100644
index b9df621..0000000
--- a/_init.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
-
-class initActivityReport
-{
-    public const ACTIVITY_TABLE_NAME = 'activity';
-}
diff --git a/src/Action.php b/src/Action.php
index 7a0a30c..7bd28c6 100644
--- a/src/Action.php
+++ b/src/Action.php
@@ -1,23 +1,17 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 
 /**
- * Action descriptor.
+ * @brief       activityReport action descriptor class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Action
 {
@@ -39,7 +33,7 @@ class Action
     ) {
         // fake action has no behavior
         if (!is_null($function)) {
-            dcCore::app()->addBehavior($behavior, $function);
+            App::behavior()->addBehavior($behavior, $function);
         }
     }
 }
diff --git a/src/ActivityBehaviors.php b/src/ActivityBehaviors.php
index c541a7e..762edff 100644
--- a/src/ActivityBehaviors.php
+++ b/src/ActivityBehaviors.php
@@ -1,23 +1,12 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcBlog;
-use dcCore;
-use dcUtils;
+use Dotclear\App;
+use Dotclear\Interface\Core\BlogInterace;
 use Dotclear\Database\{
     Cursor,
     MetaRecord
@@ -25,7 +14,15 @@ use Dotclear\Database\{
 use Dotclear\Helper\Network\Http;
 
 /**
+ */
+/**
+ * @brief       activityReport register class.
+ * @ingroup     activityReport
+ *
  * Register default activities and export mail formats.
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class ActivityBehaviors
 {
@@ -45,7 +42,7 @@ class ActivityBehaviors
             __('Special messages'),
             __('%s'),
             'messageActivityReport',
-            [self::class, 'messageActivityReport']
+            self::messageActivityReport(...)
         ));
 
         // Not use as it is global : BEHAVIOR adminAfterBlogCreate in admin/blog.php
@@ -56,7 +53,7 @@ class ActivityBehaviors
             __('updating blog'),
             __('Blog was updated by "%s"'),
             'adminAfterBlogUpdate',
-            [self::class, 'blogUpdate']
+            self::blogUpdate(...)
         ));
 
         // from BEHAVIOR publicHeadContent in template
@@ -65,7 +62,7 @@ class ActivityBehaviors
             __('404 error'),
             __('New 404 error page at "%s"'),
             'publicHeadContent',
-            [self::class, 'blogP404']
+            self::blogP404(...)
         ));
 
         // from BEHAVIOR coreAfterPostCreate in inc/core/class.dc.blog.php (DC 2.2)
@@ -76,7 +73,7 @@ class ActivityBehaviors
             __('post creation'),
             __('A new post called "%s" was created by "%s" at %s'),
             'adminAfterPostCreate',
-            [self::class, 'postCreate']
+            self::postCreate(...)
         ));
 
         // Plugin contribute
@@ -86,7 +83,7 @@ class ActivityBehaviors
             __('post creation'),
             __('A new post called "%s" was created by "%s" at %s'),
             'publicAfterPostCreate',
-            [self::class, 'postCreate']
+            self::postCreate(...)
         ));
 
         // from BEHAVIOR coreAfterPostUpdate in inc/core/class.dc.blog.php (DC2.2)
@@ -96,7 +93,7 @@ class ActivityBehaviors
             __('updating post'),
             __('Post called "%s" has been updated by "%s" at %s'),
             'adminAfterPostUpdate',
-            [self::class, 'postUpdate']
+            self::postUpdate(...)
         ));
 
         // from BEHAVIOR adminBeforePostDelete in admin/post.php
@@ -105,7 +102,7 @@ class ActivityBehaviors
             __('post deletion'),
             __('Post called "%s" has been deleted by "%s"'),
             'adminBeforePostDelete',
-            [self::class, 'postDelete']
+            self::postDelete(...)
         ));
 
         // Wrong attempt on passworded enrty
@@ -115,7 +112,7 @@ class ActivityBehaviors
             __('Post protection'),
             __('An attempt failed on a passworded post with password "%s" at "%s"'),
             'urlHandlerServeDocument',
-            [self::class, 'postPasswordAttempt']
+            self::postPasswordAttempt(...)
         ));
 
         // from BEHAVIOR coreAfterCommentCreate in inc/core/class.dc.blog.php
@@ -126,7 +123,7 @@ class ActivityBehaviors
             __('comment creation'),
             __('A new comment was created by "%s" on post "%s" at %s'),
             'coreAfterCommentCreate',
-            [self::class, 'commentCreate']
+            self::commentCreate(...)
         ));
 
         // from BEHAVIOR coreAfterCommentUpdate in inc/core/class.dc.blog.php
@@ -136,7 +133,7 @@ class ActivityBehaviors
             __('updating comment'),
             __('Comment has been updated by "%s" at %s'),
             'coreAfterCommentUpdate',
-            [self::class, 'commentUpdate']
+            self::commentUpdate(...)
         ));
 
         // Missing coreBeforeCommentDelete in inc/core/class.dc.blog.php
@@ -149,7 +146,7 @@ class ActivityBehaviors
             __('trackback creation'),
             __('A new trackback to "%" at "%s" was created on post "%s" at %s'),
             'coreAfterCommentCreate',
-            [self::class, 'trackbackCreate']
+            self::trackbackCreate(...)
         ));
 
         // from BEHAVIOR adminAfterCategoryCreate in admin/category.php
@@ -158,7 +155,7 @@ class ActivityBehaviors
             __('category creation'),
             __('A new category called "%s" was created by "%s" at %s'),
             'adminAfterCategoryCreate',
-            [self::class, 'categoryCreate']
+            self::categoryCreate(...)
         ));
 
         // from BEHAVIOR adminAfterCategoryUpdate in admin/category.php
@@ -167,7 +164,7 @@ class ActivityBehaviors
             __('updating category'),
             __('Category called "%s" has been updated by "%s" at %s'),
             'adminAfterCategoryUpdate',
-            [self::class, 'categoryUpdate']
+            self::categoryUpdate(...)
         ));
 
         // Missing adminBeforeCategoryDelete in admin/category.php
@@ -178,7 +175,7 @@ class ActivityBehaviors
             __('user creation'),
             __('A new user named "%s" was created by "%s"'),
             'adminAfterUserCreate',
-            [self::class, 'userCreate']
+            self::userCreate(...)
         ));
 
         // from BEHAVIOR adminAfterUserUpdated in admin/user.php
@@ -187,7 +184,7 @@ class ActivityBehaviors
             __('updating user'),
             __('User named "%s" has been updated by "%s"'),
             'adminAfterUserUpdate',
-            [self::class, 'userUpdate']
+            self::userUpdate(...)
         ));
 
         // from BEHAVIOR adminAfterUserProfileUpdate in admin/preferences.php
@@ -196,21 +193,21 @@ class ActivityBehaviors
             __('updating user preference'),
             __('"%s" user preference has been updated'),
             'adminAfterUserProfileUpdate',
-            [self::class, 'userPreference']
+            self::userPreference(...)
         ));
         $user->add(new Action(
             'preference',
             __('updating user preference'),
             __('"%s" user preference has been updated'),
             'adminAfterUserOptionsUpdate',
-            [self::class, 'userPreference']
+            self::userPreference(...)
         ));
         $user->add(new Action(
             'preference',
             __('updating user preference'),
             __('"%s" user preference has been updated'),
             'adminAfterDashboardOptionsUpdate',
-            [self::class, 'userOption']
+            self::userOption(...)
         ));
 
         // from BEHAVIOR adminBeforeUserDelete in admin/users.php
@@ -219,7 +216,7 @@ class ActivityBehaviors
             __('user deletion'),
             __('User named "%s" has been deleted by "%"'),
             'adminBeforeUserDelete',
-            [self::class, 'userDelete']
+            self::userDelete(...)
         ));
 
         ActivityReport::instance()->groups
@@ -274,26 +271,26 @@ class ActivityBehaviors
 
     public static function blogUpdate(Cursor $cur, string $blog_id): void
     {
-        $logs = [self::str(dcCore::app()->auth->getInfo('user_cn'))];
+        $logs = [self::str(App::auth()->getInfo('user_cn'))];
         ActivityReport::instance()->addLog('blog', 'update', $logs);
     }
 
     public static function blogP404(): void
     {
-        if (dcCore::app()->url->type != '404') {
+        if (App::url()->type != '404') {
             return;
         }
-        $logs = [self::str(dcCore::app()->blog?->url) . $_SERVER['QUERY_STRING']];
+        $logs = [self::str(App::blog()->url()) . $_SERVER['QUERY_STRING']];
         ActivityReport::instance()->addLog('blog', 'p404', $logs);
     }
 
     public static function postCreate(Cursor $cur, int $post_id): void
     {
-        $post_url = dcCore::app()->blog?->getPostURL('', self::str($cur->getField('post_dt')), self::str($cur->getField('post_title')), $post_id);
+        $post_url = App::blog()->getPostURL('', self::str($cur->getField('post_dt')), self::str($cur->getField('post_title')), $post_id);
         $logs     = [
             self::str($cur->getField('post_title')),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase(self::str($cur->getField('post_type'))) . '/' . $post_url,
+            self::str(App::auth()->getInfo('user_cn')),
+            self::str(App::blog()->url()) . App::url()->getBase(self::str($cur->getField('post_type'))) . '/' . $post_url,
         ];
         ActivityReport::instance()->addLog('post', 'create', $logs);
     }
@@ -301,24 +298,24 @@ class ActivityBehaviors
     public static function postUpdate(Cursor $cur, int|string $post_id): void
     {
         $post_id  = is_numeric($post_id) ? (int) $post_id : 0;
-        $post_url = dcCore::app()->blog?->getPostURL('', self::str($cur->getField('post_dt')), self::str($cur->getField('post_title')), $post_id);
+        $post_url = App::blog()->getPostURL('', self::str($cur->getField('post_dt')), self::str($cur->getField('post_title')), $post_id);
         $logs     = [
             self::str($cur->getField('post_title')),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase(self::str($cur->getField('post_type'))) . '/' . $post_url,
+            self::str(App::auth()->getInfo('user_cn')),
+            self::str(App::blog()->url()) . App::url()->getBase(self::str($cur->getField('post_type'))) . '/' . $post_url,
         ];
         ActivityReport::instance()->addLog('post', 'update', $logs);
     }
 
     public static function postDelete(int $post_id): void
     {
-        $posts = dcCore::app()->blog?->getPosts(['post_id' => $post_id, 'limit' => 1]);
+        $posts = App::blog()->getPosts(['post_id' => $post_id, 'limit' => 1]);
         if (!$posts || $posts->isEmpty()) {
             return;
         }
         $logs = [
             self::str($posts->f('post_title')),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
+            self::str(App::auth()->getInfo('user_cn')),
         ];
         ActivityReport::instance()->addLog('post', 'delete', $logs);
     }
@@ -335,12 +332,12 @@ class ActivityBehaviors
         ActivityReport::instance()->addLog('post', 'protection', $logs);
     }
 
-    public static function commentCreate(dcBlog $blog, Cursor $cur): void
+    public static function commentCreate(BlogInterace $blog, Cursor $cur): void
     {
         if ($cur->getField('comment_trackback')) {
             return;
         }
-        $posts = dcCore::app()->blog?->getPosts(
+        $posts = App::blog()->getPosts(
             ['post_id' => $cur->getField('post_id'), 'limit' => 1, 'post_type' => '']
         );
         if (!$posts || $posts->isEmpty()) {
@@ -350,15 +347,15 @@ class ActivityBehaviors
         $logs = [
             self::str($cur->getField('comment_author')),
             self::str($posts->f('post_title')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase(self::str($posts->f('post_type'))) .
+            self::str(App::blog()->url()) . App::url()->getBase(self::str($posts->f('post_type'))) .
                 '/' . self::str($posts->f('post_url')) . '#c' . self::str($cur->getField('comment_id')),
         ];
         ActivityReport::instance()->addLog('comment', 'create', $logs);
     }
 
-    public static function commentUpdate(dcBlog $blog, Cursor $cur, MetaRecord $old): void
+    public static function commentUpdate(BlogInterace $blog, Cursor $cur, MetaRecord $old): void
     {
-        $posts = dcCore::app()->blog?->getPosts(
+        $posts = App::blog()->getPosts(
             ['post_id' => $old->f('post_id'), 'limit' => 1]
         );
         if (!$posts || $posts->isEmpty()) {
@@ -366,21 +363,21 @@ class ActivityBehaviors
         }
 
         $logs = [
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
+            self::str(App::auth()->getInfo('user_cn')),
             self::str($posts->f('post_title')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase(self::str($posts->f('post_type'))) .
+            self::str(App::blog()->url()) . App::url()->getBase(self::str($posts->f('post_type'))) .
                 '/' . self::str($posts->f('post_url')) . '#c' . self::str($old->f('comment_id')),
         ];
         ActivityReport::instance()->addLog('comment', 'update', $logs);
     }
 
-    public static function trackbackCreate(dcBlog $blog, Cursor $cur): void
+    public static function trackbackCreate(BlogInterace $blog, Cursor $cur): void
     {
         if (!$cur->getField('comment_trackback')) {
             return;
         }
 
-        $posts = dcCore::app()->blog?->getPosts(
+        $posts = App::blog()->getPosts(
             ['post_id' => $cur->getField('post_id'), 'no_content' => true, 'limit' => 1]
         );
         if (!$posts || $posts->isEmpty()) {
@@ -391,7 +388,7 @@ class ActivityBehaviors
             self::str($cur->getField('comment_author')),
             self::str($cur->getField('comment_site')),
             self::str($posts->f('post_title')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase(self::str($posts->f('post_type'))) .
+            self::str(App::blog()->url()) . App::url()->getBase(self::str($posts->f('post_type'))) .
                 '/' . self::str($posts->f('post_url')),
         ];
         ActivityReport::instance()->addLog('comment', 'trackback', $logs);
@@ -401,8 +398,8 @@ class ActivityBehaviors
     {
         $logs = [
             self::str($cur->getField('cat_title')),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase('category') . '/' . self::str($cur->getField('cat_url')),
+            self::str(App::auth()->getInfo('user_cn')),
+            self::str(App::blog()->url()) . App::url()->getBase('category') . '/' . self::str($cur->getField('cat_url')),
         ];
         ActivityReport::instance()->addLog('category', 'create', $logs);
     }
@@ -411,8 +408,8 @@ class ActivityBehaviors
     {
         $logs = [
             self::str($cur->getField('cat_title')),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
-            self::str(dcCore::app()->blog?->url) . dcCore::app()->url->getBase('category') . '/' . self::str($cur->getField('cat_url')),
+            self::str(App::auth()->getInfo('user_cn')),
+            self::str(App::blog()->url()) . App::url()->getBase('category') . '/' . self::str($cur->getField('cat_url')),
         ];
         ActivityReport::instance()->addLog('category', 'update', $logs);
     }
@@ -427,7 +424,7 @@ class ActivityBehaviors
         );
         $logs = [
             self::str($user_cn),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
+            self::str(App::auth()->getInfo('user_cn')),
         ];
         ActivityReport::instance()->addLog('user', 'create', $logs);
     }
@@ -442,7 +439,7 @@ class ActivityBehaviors
         );
         $logs = [
             self::str($user_cn),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
+            self::str(App::auth()->getInfo('user_cn')),
         ];
         ActivityReport::instance()->addLog('user', 'update', $logs);
     }
@@ -454,11 +451,11 @@ class ActivityBehaviors
 
     public static function userOption(string $user_id): void
     {
-        $user = dcCore::app()->getUser($user_id);
+        $user = App::users()->getUser($user_id);
         if ($user->isEmpty()) {
             return;
         }
-        $user_cn = dcUtils::getUserCN(
+        $user_cn = App::users()->getUserCN(
             self::str($user->f('user_id')),
             self::str($user->f('user_name')),
             self::str($user->f('user_firstname')),
@@ -472,8 +469,8 @@ class ActivityBehaviors
 
     public static function userDelete(string $user_id): void
     {
-        $users   = dcCore::app()->getUser($user_id);
-        $user_cn = dcUtils::getUserCN(
+        $users   = App::users()->getUser($user_id);
+        $user_cn = App::users()->getUserCN(
             self::str($users->f('user_id')),
             self::str($users->f('user_name')),
             self::str($users->f('user_firstname')),
@@ -481,7 +478,7 @@ class ActivityBehaviors
         );
         $logs = [
             self::str($user_cn),
-            self::str(dcCore::app()->auth->getInfo('user_cn')),
+            self::str(App::auth()->getInfo('user_cn')),
         ];
         ActivityReport::instance()->addLog('user', 'delete', $logs);
     }
diff --git a/src/ActivityReport.php b/src/ActivityReport.php
index 2fc79fc..d4fa778 100644
--- a/src/ActivityReport.php
+++ b/src/ActivityReport.php
@@ -1,23 +1,11 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcAuth;
-use dcBlog;
-use dcCore;
+use Dotclear\App;
 use Dotclear\Database\MetaRecord;
 use Dotclear\Database\Statement\{
     DeleteStatement,
@@ -36,7 +24,11 @@ use Dotclear\Helper\Text;
 use Exception;
 
 /**
- * Activity report main class.
+ * @brief       activityReport main class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class ActivityReport
 {
@@ -134,11 +126,11 @@ class ActivityReport
             ]);
         }
         $sql
-            ->from($sql->as(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME, 'E'), false, true)
+            ->from($sql->as(App::con()->prefix() . My::ACTIVITY_TABLE_NAME, 'E'), false, true)
             ->join(
                 (new JoinStatement())
                     ->left()
-                    ->from($sql->as(dcCore::app()->prefix . dcBlog::BLOG_TABLE_NAME, 'B'))
+                    ->from($sql->as(App::con()->prefix() . App::blog()::BLOG_TABLE_NAME, 'B'))
                     ->on('E.blog_id = B.blog_id')
                     ->statement()
             );
@@ -169,7 +161,7 @@ class ActivityReport
             }
             $sql->and('E.blog_id' . $sql->in($params['blog_id']));
         } else {
-            $sql->and('E.blog_id = ' . $sql->quote((string) dcCore::app()->blog?->id));
+            $sql->and('E.blog_id = ' . $sql->quote(App::blog()->id()));
         }
 
         if (isset($params['activity_status']) && is_numeric($params['activity_status'])) {
@@ -240,12 +232,12 @@ class ActivityReport
     public function addLog(string $group, string $action, array $logs): void
     {
         try {
-            $cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME);
-            dcCore::app()->con->writeLock(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME);
+            $cur = App::con()->openCursor(App::con()->prefix() . My::ACTIVITY_TABLE_NAME);
+            App::con()->writeLock(App::con()->prefix() . My::ACTIVITY_TABLE_NAME);
 
             $cur->setField('activity_id', $this->getNextId());
             $cur->setField('activity_type', $this->type);
-            $cur->setField('blog_id', (string) dcCore::app()->blog?->id);
+            $cur->setField('blog_id', App::blog()->id());
             $cur->setField('activity_group', $group);
             $cur->setField('activity_action', $action);
             $cur->setField('activity_logs', json_encode($logs));
@@ -253,13 +245,13 @@ class ActivityReport
             $cur->setField('activity_status', self::STATUS_PENDING);
 
             $cur->insert();
-            dcCore::app()->con->unlock();
+            App::con()->unlock();
 
             # --BEHAVIOR-- coreAfterCategoryCreate -- ActivityReport, cursor
-            dcCore::app()->callBehavior('activityReportAfteAddLog', $this, $cur);
+            App::behavior()->callBehavior('activityReportAfteAddLog', $this, $cur);
         } catch (Exception $e) {
-            dcCore::app()->con->unlock();
-            dcCore::app()->error->add($e->getMessage());
+            App::con()->unlock();
+            App::error()->add($e->getMessage());
         }
 
         // Test if email report is needed
@@ -301,7 +293,7 @@ class ActivityReport
         $from       = time();
         $to         = 0;
         $res        = $blog_name = $blog_url = $group = '';
-        $tz         = dcCore::app()->blog?->settings->get('system')->get('blog_timezone');
+        $tz         = App::blog()->settings()->get('system')->get('blog_timezone');
         $tz         = is_string($tz) ? $tz : 'UTC';
         $dt         = empty($this->settings->dateformat) ? '%Y-%m-%d %H:%M:%S' : $this->settings->dateformat;
         $format     = $this->formats->get($this->formats->has($this->settings->mailformat) ? $this->settings->mailformat : 'plain');
@@ -394,7 +386,7 @@ class ActivityReport
     {
         // Get blogs and logs count
         $sql = new SelectStatement();
-        $sql->from(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME)
+        $sql->from(App::con()->prefix() . My::ACTIVITY_TABLE_NAME)
             ->column('blog_id')
             ->where('activity_type =' . $sql->quote($this->type))
             ->group('blog_id');
@@ -410,16 +402,16 @@ class ActivityReport
             $obs = Date::str('%Y-%m-%d %H:%M:%S', $ts - (int) $this->settings->obsolete);
             if (is_string($rs->f('blog_id'))) {
                 $sql = new DeleteStatement();
-                $sql->from(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME)
+                $sql->from(App::con()->prefix() . My::ACTIVITY_TABLE_NAME)
                     ->where('activity_type =' . $sql->quote($this->type))
                     ->and('activity_dt < TIMESTAMP ' . $sql->quote($obs))
                     ->and('blog_id = ' . $sql->quote($rs->f('blog_id')))
                     ->delete();
 
-                if (dcCore::app()->con->changes()) {
+                if (App::con()->changes()) {
                     try {
-                        $cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME);
-                        dcCore::app()->con->writeLock(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME);
+                        $cur = App::con()->openCursor(App::con()->prefix() . My::ACTIVITY_TABLE_NAME);
+                        App::con()->writeLock(App::con()->prefix() . My::ACTIVITY_TABLE_NAME);
 
                         $cur->setField('activity_id', $this->getNextId());
                         $cur->setField('activity_type', $this->type);
@@ -431,10 +423,10 @@ class ActivityReport
                         $cur->setField('activity_status', self::STATUS_PENDING);
 
                         $cur->insert();
-                        dcCore::app()->con->unlock();
+                        App::con()->unlock();
                     } catch (Exception $e) {
-                        dcCore::app()->con->unlock();
-                        dcCore::app()->error->add($e->getMessage());
+                        App::con()->unlock();
+                        App::error()->add($e->getMessage());
                     }
                 }
             }
@@ -456,7 +448,7 @@ class ActivityReport
             $sql->and('activity_status = ' . self::STATUS_REPORTED);
         }
 
-        return $sql->from(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME)
+        return $sql->from(App::con()->prefix() . My::ACTIVITY_TABLE_NAME)
             ->where('activity_type = ' . $sql->quote($this->type))
             ->delete();
     }
@@ -470,10 +462,10 @@ class ActivityReport
     private function updateStatus(int $from_date_ts, int $to_date_ts): void
     {
         $sql = new UpdateStatement();
-        $sql->from(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME)
+        $sql->from(App::con()->prefix() . My::ACTIVITY_TABLE_NAME)
             ->column('activity_status')
             ->set((string) self::STATUS_REPORTED)
-            ->where('blog_id = ' . $sql->quote((string) dcCore::app()->blog?->id))
+            ->where('blog_id = ' . $sql->quote(App::blog()->id()))
             ->and('activity_type =' . $sql->quote($this->type))
             ->and('activity_dt >= TIMESTAMP ' . $sql->quote(date('Y-m-d H:i:s', $from_date_ts)))
             ->and('activity_dt < TIMESTAMP ' . $sql->quote(date('Y-m-d H:i:s', $to_date_ts)))
@@ -488,7 +480,7 @@ class ActivityReport
     public function getNextId(): int
     {
         $sql = new SelectStatement();
-        $sql->from(dcCore::app()->prefix . My::ACTIVITY_TABLE_NAME)
+        $sql->from(App::con()->prefix() . My::ACTIVITY_TABLE_NAME)
             ->column($sql->max('activity_id'));
 
         return (int) $sql->select()?->f(0) + 1;
@@ -503,14 +495,14 @@ class ActivityReport
     {
         try {
             # Cache writable ?
-            if (!is_writable(DC_TPL_CACHE)) {
+            if (!is_writable(App::config()->cacheRoot())) {
                 throw new Exception("Can't write in cache fodler");
             }
             # Set file path
-            $f_md5 = md5((string) dcCore::app()->blog?->id);
+            $f_md5 = md5(App::blog()->id());
             $file  = sprintf(
                 '%s/%s/%s/%s/%s.txt',
-                DC_TPL_CACHE,
+                App::config()->cacheRoot(),
                 My::id(),
                 substr($f_md5, 0, 2),
                 substr($f_md5, 2, 2),
@@ -591,7 +583,7 @@ class ActivityReport
                 $params = new ArrayObject([
                     'from_date_ts'    => $lastreport,
                     'to_date_ts'      => $now,
-                    'blog_id'         => dcCore::app()->blog?->id,
+                    'blog_id'         => App::blog()->id(),
                     'activity_status' => self::STATUS_PENDING,
                     'requests'        => true,
                     'order'           => 'activity_group ASC, activity_action ASC, activity_dt ASC ',
@@ -612,7 +604,7 @@ class ActivityReport
                     $this->updateStatus($lastreport, $now);
                     $this->settings->set('lastreport', $now);
 
-                    dcCore::app()->callBehavior('messageActivityReport', 'Activity report has been successfully send by mail.');
+                    App::behavior()->callBehavior('messageActivityReport', 'Activity report has been successfully send by mail.');
                 }
             }
 
@@ -658,20 +650,20 @@ class ActivityReport
         # Sending mails
         try {
             $subject = mb_encode_mimeheader(
-                sprintf(__('Blog "%s" activity report'), dcCore::app()->blog?->name),
+                sprintf(__('Blog "%s" activity report'), App::blog()->name()),
                 'UTF-8',
                 'B'
             );
 
             $headers   = [];
-            $headers[] = 'From: ' . (defined('DC_ADMIN_MAILFROM') && str_contains(DC_ADMIN_MAILFROM, '@') ? DC_ADMIN_MAILFROM : 'dotclear@local');
+            $headers[] = 'From: ' . (defined('DC_ADMIN_MAILFROM') && str_contains(App::config()->adminMailFrom(), '@') ? App::config()->adminMailFrom() : 'dotclear@local');
             $headers[] = 'Content-Type: text/' . $mailformat . '; charset=UTF-8;';
             //$headers[] = 'MIME-Version: 1.0';
             //$headers[] = 'X-Originating-IP: ' . mb_encode_mimeheader(Http::realIP(), 'UTF-8', 'B');
             //$headers[] = 'X-Mailer: Dotclear';
-            //$headers[] = 'X-Blog-Id: ' . mb_encode_mimeheader(dcCore::app()->blog->id), 'UTF-8', 'B');
-            //$headers[] = 'X-Blog-Name: ' . mb_encode_mimeheader(dcCore::app()->blog->name), 'UTF-8', 'B');
-            //$headers[] = 'X-Blog-Url: ' . mb_encode_mimeheader(dcCore::app()->blog->url), 'UTF-8', 'B');
+            //$headers[] = 'X-Blog-Id: ' . mb_encode_mimeheader(App::blog()->id()), 'UTF-8', 'B');
+            //$headers[] = 'X-Blog-Name: ' . mb_encode_mimeheader(App::blog()->name()), 'UTF-8', 'B');
+            //$headers[] = 'X-Blog-Url: ' . mb_encode_mimeheader(App::>blog()->url()), 'UTF-8', 'B');
 
             $done = true;
             foreach ($recipients as $email) {
@@ -693,9 +685,9 @@ class ActivityReport
      */
     public function getUserCode(): string
     {
-        $id   = is_string(dcCore::app()->auth->userID()) ? dcCore::app()->auth->userID() : '';
-        $pw   = is_string(dcCore::app()->auth->getInfo('user_pwd')) ? dcCore::app()->auth->getInfo('user_pwd') : '';
-        $code = pack('a32', $id) . pack('H*', Crypt::hmac(DC_MASTER_KEY, $pw));
+        $id   = is_string(App::auth()->userID()) ? App::auth()->userID() : '';
+        $pw   = is_string(App::auth()->getInfo('user_pwd')) ? App::auth()->getInfo('user_pwd') : '';
+        $code = pack('a32', $id) . pack('H*', Crypt::hmac(App::config()->masterKey(), $pw));
 
         return bin2hex($code);
     }
@@ -721,7 +713,7 @@ class ActivityReport
         $pwd = $pwd['hex'];
 
         $sql = new SelectStatement();
-        $sql->from(dcCore::app()->prefix . dcAuth::USER_TABLE_NAME)
+        $sql->from(App::con()->prefix() . App::auth()::USER_TABLE_NAME)
             ->columns(['user_id', 'user_pwd'])
             ->where('user_id =' . $sql->quote($user_id));
 
@@ -731,7 +723,7 @@ class ActivityReport
             return false;
         }
 
-        if (Crypt::hmac(DC_MASTER_KEY, $rs->f('user_pwd')) != $pwd) {
+        if (Crypt::hmac(App::config()->masterKey(), $rs->f('user_pwd')) != $pwd) {
             return false;
         }
 
diff --git a/src/ActivityRow.php b/src/ActivityRow.php
index d4cb196..fe27dae 100644
--- a/src/ActivityRow.php
+++ b/src/ActivityRow.php
@@ -1,15 +1,5 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
@@ -17,7 +7,11 @@ namespace Dotclear\Plugin\activityReport;
 use Dotclear\Database\MetaRecord;
 
 /**
- * Activity record row type hinting.
+ * @brief       activityReport activity record row descriptor class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class ActivityRow
 {
diff --git a/src/Backend.php b/src/Backend.php
index ab0abce..a3c223e 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -1,22 +1,11 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcAuth;
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Backend\Favorites;
 use Dotclear\Core\Process;
 use Dotclear\Helper\Date;
@@ -29,7 +18,11 @@ use Dotclear\Helper\Html\Form\{
 };
 
 /**
- * Backend process
+ * @brief       activityReport backend class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Backend extends Process
 {
@@ -46,7 +39,7 @@ class Backend extends Process
 
         My::addBackendMenuItem();
 
-        dcCore::app()->addBehaviors([
+        App::behavior()->addBehaviors([
             // dashboard favorites icon
             'adminDashboardFavoritesV2' => function (Favorites $favs): void {
                 $favs->register(My::id(), [
@@ -54,14 +47,14 @@ class Backend extends Process
                     'url'         => My::manageUrl(),
                     'small-icon'  => My::icons(),
                     'large-icon'  => My::icons(),
-                    'permissions' => dcCore::app()->auth->makePermissions([
-                        dcAuth::PERMISSION_ADMIN,
+                    'permissions' => App::auth()->makePermissions([
+                        App::auth()::PERMISSION_ADMIN,
                     ]),
                 ]);
             },
             // dashboard content display
             'adminDashboardContentsV2' => function (ArrayObject $items): void {
-                $db    = dcCore::app()->auth->user_prefs?->get(My::id())->get('dashboard_item');
+                $db    = App::auth()->prefs()->get(My::id())->get('dashboard_item');
                 $limit = abs(is_numeric($db) ? (int) $db : 0);
                 if (!$limit) {
                     return ;
@@ -87,9 +80,9 @@ class Backend extends Process
                     $lines[] = '<dt title="' . __($group->title) . '">' .
                     '<strong>' . __($group->get($row->action)->title) . '</strong>' .
                     '<br />' . Date::str(
-                        dcCore::app()->blog?->settings->get('system')->get('date_format') . ', ' . dcCore::app()->blog?->settings->get('system')->get('time_format'),
+                        App::blog()->settings()->get('system')->get('date_format') . ', ' . App::blog()->settings()->get('system')->get('time_format'),
                         (int) strtotime($row->dt),
-                        is_string(dcCore::app()->auth->getInfo('user_tz')) ? dcCore::app()->auth->getInfo('user_tz') : 'UTC'
+                        is_string(App::auth()->getInfo('user_tz')) ? App::auth()->getInfo('user_tz') : 'UTC'
                     ) . '<dt>' .
                     '<dd><p>' .
                     '<em>' . ActivityReport::parseMessage(__($group->get($row->action)->message), $row->logs) . '</em></p></dd>';
@@ -105,10 +98,10 @@ class Backend extends Process
                     '<p class="modules"><a class="module-details" href="' .
                     My::manageUrl() . '">' .
                     __('View all logs') . '</a> - <a class="module-config" href="' .
-                    dcCore::app()->admin->url->get('admin.plugins', [
+                    App::backend()->url()->get('admin.plugins', [
                         'module' => My::id(),
                         'conf'   => 1,
-                        'redir'  => dcCore::app()->admin->url->get('admin.home'),
+                        'redir'  => App::backend()->url()->get('admin.home'),
                     ]) . '">' .
                     __('Configure plugin') . '</a></p>' .
                     '</div>',
@@ -116,7 +109,7 @@ class Backend extends Process
             },
             // dashboard content user preference form
             'adminDashboardOptionsFormV2' => function (): void {
-                $db = dcCore::app()->auth->user_prefs?->get(My::id())->get('dashboard_item');
+                $db = App::auth()->prefs()->get(My::id())->get('dashboard_item');
                 echo
                 (new Div())->class('fieldset')->items([
                     (new Text('h4', My::name())),
@@ -137,7 +130,7 @@ class Backend extends Process
             // save dashboard content user preference
             'adminAfterDashboardOptionsUpdate' => function (?string $user_id = null): void {
                 if (!is_null($user_id)) {
-                    dcCore::app()->auth->user_prefs?->get(My::id())->put(
+                    App::auth()->prefs()->get(My::id())->put(
                         'dashboard_item',
                         (int) $_POST[My::id() . '_dashboard_item'],
                         'integer'
diff --git a/src/Combo.php b/src/Combo.php
index 8530861..77511be 100644
--- a/src/Combo.php
+++ b/src/Combo.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Combo helper.
+ * @brief       activityReport combo class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Combo
 {
diff --git a/src/Config.php b/src/Config.php
index 48eb9a0..ab81c46 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -1,20 +1,10 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Backend\Notices;
 use Dotclear\Core\Process;
 use Dotclear\Helper\Date;
@@ -32,7 +22,11 @@ use Dotclear\Helper\Html\Form\{
 use Exception;
 
 /**
- * Config process.
+ * @brief       activityReport config class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Config extends Process
 {
@@ -85,12 +79,12 @@ class Config extends Process
                 );
             }
 
-            dcCore::app()->admin->url->redirect('admin.plugins', [
+            App::bakend()->url()->redirect('admin.plugins', [
                 'module' => My::id(),
                 'conf'   => 1,
             ]);
         } catch (Exception $e) {
-            dcCore::app()->error->add($e->getMessage());
+            App::error()->add($e->getMessage());
         }
 
         return true;
@@ -103,19 +97,19 @@ class Config extends Process
         }
 
         $s  = ActivityReport::instance()->settings;
-        $tz = is_string(dcCore::app()->auth->getInfo('user_tz')) ? dcCore::app()->auth->getInfo('user_tz') : 'UTC';
+        $tz = is_string(App::auth()->getInfo('user_tz')) ? App::auth()->getInfo('user_tz') : 'UTC';
 
         if (!$s->lastreport) {
             $last_report = __('never');
             $next_report = __('on new activity');
         } else {
             $last_report = Date::str(
-                dcCore::app()->blog?->settings->get('system')->get('date_format') . ', ' . dcCore::app()->blog?->settings->get('system')->get('time_format'),
+                App::blog()->settings()->get('system')->get('date_format') . ', ' . App::blog()->settings()->get('system')->get('time_format'),
                 $s->lastreport,
                 $tz
             );
             $next_report = Date::str(
-                dcCore::app()->blog?->settings->get('system')->get('date_format') . ', ' . dcCore::app()->blog?->settings->get('system')->get('time_format'),
+                App::blog()->settings()->get('system')->get('date_format') . ', ' . App::blog()->settings()->get('system')->get('time_format'),
                 $s->interval + $s->lastreport,
                 $tz
             );
@@ -166,11 +160,11 @@ class Config extends Process
                     'ul',
                     '<li><img alt="' . __('RSS feed') . '" src="' . My::fileURL('img/feed.png') . '" /> ' .
                     '<a title="' . __('RSS feed') . '" href="' .
-                    dcCore::app()->blog?->url . dcCore::app()->url->getBase(My::id()) . '/rss2/' . ActivityReport::instance()->getUserCode() . '">' .
+                    App::blog()->url() . App::url()->getBase(My::id()) . '/rss2/' . ActivityReport::instance()->getUserCode() . '">' .
                     __('Rss2 activities feed') . '</a></li>' .
                     '<li><img alt="' . __('Atom feed') . '" src="' . My::fileURL('img/feed.png') . '" /> ' .
                     '<a title="' . __('Atom feed') . '" href="' .
-                    dcCore::app()->blog?->url . dcCore::app()->url->getBase(My::id()) . '/atom/' . ActivityReport::instance()->getUserCode() . '">' .
+                    App::blog()->url() . App::url()->getBase(My::id()) . '/atom/' . ActivityReport::instance()->getUserCode() . '">' .
                     __('Atom activities feed') . '</a></li>'
                 )),
             ]),
diff --git a/src/Context.php b/src/Context.php
index 500e2b5..5aec33e 100644
--- a/src/Context.php
+++ b/src/Context.php
@@ -1,15 +1,5 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
@@ -18,7 +8,11 @@ use dcCore;
 use Dotclear\Database\MetaRecord;
 
 /**
- * Template helper.
+ * @brief       activityReport frontend context class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Context
 {
diff --git a/src/Format.php b/src/Format.php
index 37b97af..29357bc 100644
--- a/src/Format.php
+++ b/src/Format.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Report format descriptor.
+ * @brief       activityReport format decriptor.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Format
 {
diff --git a/src/Formats.php b/src/Formats.php
index 9ab2007..a554f3d 100644
--- a/src/Formats.php
+++ b/src/Formats.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Email report formats stack.
+ * @brief       activityReport formats stack.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Formats
 {
diff --git a/src/Frontend.php b/src/Frontend.php
index 542e9a2..8b7aa50 100644
--- a/src/Frontend.php
+++ b/src/Frontend.php
@@ -1,24 +1,18 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Process;
 
 /**
- * Front end process.
+ * @brief       activityReport frontend class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Frontend extends Process
 {
@@ -33,13 +27,13 @@ class Frontend extends Process
             return false;
         }
 
-        dcCore::app()->tpl->setPath(dcCore::app()->tpl->getPath(), implode(DIRECTORY_SEPARATOR, [My::path(), 'default-templates', 'tpl']));
+        App::frontend()->template()->setPath(App::frontend()->template()->getPath(), implode(DIRECTORY_SEPARATOR, [My::path(), 'default-templates', 'tpl']));
 
-        dcCore::app()->tpl->addBlock('activityReports', [Template::class, 'activityReports']);
-        dcCore::app()->tpl->addValue('activityReportFeedID', [Template::class, 'activityReportFeedID']);
-        dcCore::app()->tpl->addValue('activityReportTitle', [Template::class, 'activityReportTitle']);
-        dcCore::app()->tpl->addValue('activityReportDate', [Template::class, 'activityReportDate']);
-        dcCore::app()->tpl->addValue('activityReportContent', [Template::class, 'activityReportContent']);
+        App::frontend()->template()->addBlock('activityReports', Template::activityReports(...));
+        App::frontend()->template()->addValue('activityReportFeedID', Template::activityReportFeedID(...));
+        App::frontend()->template()->addValue('activityReportTitle', Template::activityReportTitle(...));
+        App::frontend()->template()->addValue('activityReportDate', Template::activityReportDate(...));
+        App::frontend()->template()l->addValue('activityReportContent', Template::activityReportContent(...));
 
         return true;
     }
diff --git a/src/Group.php b/src/Group.php
index 61f3617..1c8d861 100644
--- a/src/Group.php
+++ b/src/Group.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Actions stack.
+ * @brief       activityReport actions stack class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Group
 {
diff --git a/src/Groups.php b/src/Groups.php
index 742838e..bbe0cee 100644
--- a/src/Groups.php
+++ b/src/Groups.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Actions groups stack.
+ * @brief       activityReport actions groups stack class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Groups
 {
diff --git a/src/Install.php b/src/Install.php
index 8199231..b7aed95 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -1,20 +1,10 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Process;
 use Dotclear\Database\Structure;
 use Dotclear\Database\Statement\{
@@ -24,7 +14,11 @@ use Dotclear\Database\Statement\{
 use Exception;
 
 /**
- * Install process.
+ * @brief       activityReport install class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Install extends Process
 {
@@ -42,7 +36,7 @@ class Install extends Process
         try {
             self::beforeGrowUp();
 
-            $s = new Structure(dcCore::app()->con, dcCore::app()->prefix);
+            $s = new Structure(App::con(), App::con()->prefix());
             $s->__get(My::ACTIVITY_TABLE_NAME)
                 ->field('activity_id', 'bigint', 0, false)
                 ->field('activity_type', 'varchar', 32, false, "'" . My::id() . "'")
@@ -59,11 +53,11 @@ class Install extends Process
                 ->index('idx_activity_action', 'btree', 'activity_group', 'activity_action')
                 ->index('idx_activity_status', 'btree', 'activity_status');
 
-            (new Structure(dcCore::app()->con, dcCore::app()->prefix))->synchronize($s);
+            (new Structure(App::con(), App::con()->prefix()))->synchronize($s);
 
             return true;
         } catch (Exception $e) {
-            dcCore::app()->error->add($e->getMessage());
+            App::error()->add($e->getMessage());
 
             return false;
         }
@@ -75,17 +69,17 @@ class Install extends Process
     private static function beforeGrowUp(): void
     {
         // sorry not sorry we restart from scratch
-        if (is_string(dcCore::app()->getVersion('activityReport'))
-            && version_compare(dcCore::app()->getVersion('activityReport'), '3.0', '<')
+        if (is_string(App::version()->getVersion('activityReport'))
+            && version_compare(App::version()->getVersion('activityReport'), '3.0', '<')
         ) {
-            $struct = new Structure(dcCore::app()->con, dcCore::app()->prefix);
+            $struct = new Structure(App::con(), App::con()->prefix());
 
             if ($struct->tableExists('activity')) {
-                (new TruncateStatement())->from(dcCore::app()->prefix . 'activity')->truncate();
+                (new TruncateStatement())->from(App::con()->prefix() . 'activity')->truncate();
             }
             if ($struct->tableExists('activity_settings')) {
-                (new TruncateStatement())->from(dcCore::app()->prefix . 'activity_settings')->truncate();
-                (new DropStatement())->from(dcCore::app()->prefix . 'activity_settings')->drop();
+                (new TruncateStatement())->from(App::con()->prefix() . 'activity_settings')->truncate();
+                (new DropStatement())->from(App::con()->prefix() . 'activity_settings')->drop();
             }
         }
     }
diff --git a/src/Manage.php b/src/Manage.php
index cb1a599..725b782 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -1,21 +1,11 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Backend\Filter\Filters;
 use Dotclear\Core\Backend\{
     Notices,
@@ -32,7 +22,11 @@ use Dotclear\Helper\Html\Form\{
 use Exception;
 
 /**
- * Manage process (admin logs list).
+ * @brief       activityReport manage class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Manage extends Process
 {
@@ -53,7 +47,7 @@ class Manage extends Process
                 Notices::addSuccessNotice(__('Logs successfully deleted'));
                 My::redirect();
             } catch (Exception $e) {
-                dcCore::app()->error->add($e->getMessage());
+                App::error()->add($e->getMessage());
             }
         }
 
@@ -77,7 +71,7 @@ class Manage extends Process
                 $list = new ManageList($logs, $counter->f(0));
             }
         } catch (Exception $e) {
-            dcCore::app()->error->add($e->getMessage());
+            App::error()->add($e->getMessage());
         }
 
         Page::openModule(
@@ -87,7 +81,7 @@ class Manage extends Process
             My::jsLoad('backend') .
 
             # --BEHAVIOR-- activityReportListHeader --
-            dcCore::app()->callBehavior('activityReportListHeader')
+            App::behavior()->callBehavior('activityReportListHeader')
         );
 
         echo
@@ -104,7 +98,7 @@ class Manage extends Process
 
         if (!is_null($logs) && !$logs->isEmpty()) {
             echo
-            (new Form('form-logs'))->method('post')->action(dcCore::app()->admin->getPageURL())->fields([
+            (new Form('form-logs'))->method('post')->action(App::backend()->getPageURL())->fields([
                 (new Para())->class('right')->separator(' ')->items([
                     (new Submit('delete_all_logs'))->class('delete')->value(__('Delete all aticivity logs')),
                     (new Submit('delete_reported_logs'))->class('delete')->value(__('Delete all allready reported logs')),
diff --git a/src/ManageList.php b/src/ManageList.php
index d285fdd..9703728 100644
--- a/src/ManageList.php
+++ b/src/ManageList.php
@@ -1,21 +1,11 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Backend\Filter\Filters;
 use Dotclear\Core\Backend\Listing\{
     Listing,
@@ -24,7 +14,11 @@ use Dotclear\Core\Backend\Listing\{
 use Dotclear\Helper\Date;
 
 /**
- * Logs admin list helper.
+ * @brief       activityReport manage logs list class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class ManageList extends Listing
 {
@@ -83,9 +77,9 @@ class ManageList extends Listing
         $action  = $group->get($row->action);
         $message = ActivityReport::parseMessage(__($action->message), $row->logs);
         $date    = Date::str(
-            dcCore::app()->blog?->settings->get('system')->get('date_format') . ', ' . dcCore::app()->blog?->settings->get('system')->get('time_format'),
+            App::blog()->settings()->get('system')->get('date_format') . ', ' . App::blog()->settings()->get('system')->get('time_format'),
             (int) strtotime($row->dt),
-            is_string(dcCore::app()->auth->getInfo('user_tz')) ? dcCore::app()->auth->getInfo('user_tz') : 'UTC'
+            is_string(App::auth()->getInfo('user_tz')) ? App::auth()->getInfo('user_tz') : 'UTC'
         );
         $status = $row->status == ActivityReport::STATUS_PENDING ? __('pending') : __('reported');
 
diff --git a/src/My.php b/src/My.php
index 64c95df..7b02f15 100644
--- a/src/My.php
+++ b/src/My.php
@@ -1,50 +1,52 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 use Dotclear\Module\MyPlugin;
 
 /**
- * This module definitions.
+ * @brief       activityReport My helper.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class My extends MyPlugin
 {
-    /** @var    string  Activity database table name */
+    /**
+     * Activity database table name.
+     *
+     * @var     string   ACTIVITY_TABLE_NAME
+     */
     public const ACTIVITY_TABLE_NAME = 'activity';
 
-    /** @var    int     Incremental version by breaking changes */
+    /**
+     * Incremental version by breaking changes.
+     *
+     * @var     int     COMPATIBILITY_VERSION
+     */
     public const COMPATIBILITY_VERSION = 3;
 
     public static function checkCustomContext(int $context): ?bool
     {
-        switch($context) {
-            case My::FRONTEND:
-                return defined('ACTIVITY_REPORT') && My::isInstalled();
-            case My::BACKEND:
-                return defined('DC_CONTEXT_ADMIN') && defined('ACTIVITY_REPORT') && My::isInstalled();
-            case My::CONFIG:
-            case My::MANAGE:
-                return defined('DC_CONTEXT_ADMIN')
+        return match ($context) {
+            My::FRONTEND =>
+                defined('ACTIVITY_REPORT') && My::isInstalled(),
+            My::BACKEND =>
+                App::task()->checkContext('BACKEND') && defined('ACTIVITY_REPORT') && My::isInstalled(),
+            My::CONFIG, My::MANAGE => 
+                App::task()->checkContext('BACKEND')
                     && defined('ACTIVITY_REPORT')
-                    && dcCore::app()->auth->check(dcCore::app()->auth->makePermissions([
-                        dcCore::app()->auth::PERMISSION_ADMIN,
-                    ]), dcCore::app()->blog?->id);
-            default:
-                return null;
-        }
+                    && App::auth()->check(App::auth()->makePermissions([
+                        App::auth()::PERMISSION_ADMIN,
+                    ]), App::blog()->id()),
+
+            default => 
+                null,
+        };
     }
 
     /**
@@ -54,6 +56,6 @@ class My extends MyPlugin
      */
     public static function isInstalled(): bool
     {
-        return dcCore::app()->getVersion(self::id()) == (string) dcCore::app()->plugins->getDefine(self::id())->get('version');
+        return App::version()->getVersion(self::id()) == (string) App::plugins()->getDefine(self::id())->get('version');
     }
 }
diff --git a/src/Prepend.php b/src/Prepend.php
index c8b122b..1c88c0f 100644
--- a/src/Prepend.php
+++ b/src/Prepend.php
@@ -1,25 +1,19 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
+use Dotclear\App;
 use Dotclear\Core\Process;
 use Exception;
 
 /**
- * Prepend process.
+ * @brief       activityReport prepend class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Prepend extends Process
 {
@@ -43,11 +37,11 @@ class Prepend extends Process
             ActivityReport::instance();
 
             // regirster activity feed URL
-            dcCore::app()->url->register(
+            App::url()->register(
                 My::id(),
                 'reports',
                 '^reports/((atom|rss2)/(.+))$',
-                [UrlHandler::class, 'feed']
+                UrlHandler::feed(...)
             );
 
             // declare report open
diff --git a/src/Settings.php b/src/Settings.php
index e93208c..05409a0 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -1,21 +1,15 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 /**
- * Module settings helper.
+ * @brief       activityReport settings helper class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Settings
 {
diff --git a/src/Template.php b/src/Template.php
index 4ab6df6..532b019 100644
--- a/src/Template.php
+++ b/src/Template.php
@@ -1,25 +1,19 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
 use ArrayObject;
-use dcCore;
+use Dotclear\App;
 use Dotclear\Helper\Date;
 
 /**
- * Template blocs and values.
+ * @brief       activityReport frontend template class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Template
 {
@@ -43,12 +37,12 @@ class Template
             $lastn = abs((int) $attr['lastn']) + 0;
         }
 
-        $p = '$_page_number = dcCore::app()->public->getPageNumber(); if ($_page_number < 1) { $_page_number = 1; }' . "\n\$params = new ArrayObject();\n";
+        $p = '$_page_number = App::frontend()->getPageNumber(); if ($_page_number < 1) { $_page_number = 1; }' . "\n\$params = new ArrayObject();\n";
 
         if ($lastn > 0) {
             $p .= "\$params['limit'] = " . $lastn . ";\n";
         } else {
-            $p .= "\$params['limit'] = dcCore::app()->ctx->nb_entry_per_page;\n";
+            $p .= "\$params['limit'] = App::frontend()->context()->nb_entry_per_page;\n";
         }
 
         if (!isset($attr['ignore_pagination']) || $attr['ignore_pagination'] == '0') {
@@ -60,10 +54,10 @@ class Template
         return
         "<?php \n" .
         $p .
-        'dcCore::app()->ctx->activityreport_params = $params; ' . "\n" .
-        'dcCore::app()->ctx->activityreports = ' . ActivityReport::class . '::instance()->getLogs($params); unset($params); ' . "\n" .
-        'while (dcCore::app()->ctx->activityreports->fetch()) : ?>' . $content . '<?php endwhile; ' .
-        'dcCore::app()->ctx->pop("activityreports"); dcCore::app()->ctx->pop("activityreport_params"); ' . "\n" .
+        'App::frontend()->context()->activityreport_params = $params; ' . "\n" .
+        'App::frontend()->context()->activityreports = ' . ActivityReport::class . '::instance()->getLogs($params); unset($params); ' . "\n" .
+        'while (App::frontend()->context()->activityreports->fetch()) : ?>' . $content . '<?php endwhile; ' .
+        'App::frontend()->context()->pop("activityreports"); App::frontend()->context()x->pop("activityreport_params"); ' . "\n" .
         '?>';
     }
 
@@ -81,8 +75,8 @@ class Template
     public static function activityReportFeedID(ArrayObject $attr): string
     {
         return
-        'urn:md5:<?php echo md5(dcCore::app()->ctx->activityreports->blog_id.' .
-        'dcCore::app()->ctx->activityreports->activity_id.dcCore::app()->ctx->activityreports->activity_dt); ' .
+        'urn:md5:<?php echo md5(App::frontend()->context()->activityreports->blog_id.' .
+        'App::frontend()->context()->activityreports->activity_id.App::frontend()->context()->activityreports->activity_dt); ' .
         '?>';
     }
 
@@ -99,7 +93,7 @@ class Template
      */
     public static function activityReportTitle(ArrayObject $attr): string
     {
-        $f = dcCore::app()->tpl->getFilters($attr);
+        $f = App::frontend()->template()->getFilters($attr);
 
         return '<?php echo ' . sprintf($f, Context::class . '::parseTitle()') . '; ?>';
     }
@@ -117,7 +111,7 @@ class Template
      */
     public static function activityReportContent(ArrayObject $attr): string
     {
-        $f = dcCore::app()->tpl->getFilters($attr);
+        $f = App::frontend()->context()->getFilters($attr);
 
         return '<?php echo ' . sprintf($f, Context::class . '::parseContent()') . '; ?>';
     }
@@ -146,16 +140,16 @@ class Template
         $iso8601 = !empty($attr['iso8601']);
         $rfc822  = !empty($attr['rfc822']);
 
-        $f = dcCore::app()->tpl->getFilters($attr);
+        $f = App::frontend()->template()->getFilters($attr);
 
         if ($rfc822) {
-            return '<?php echo ' . sprintf($f, Date::class . '::rfc822(strtotime(dcCore::app()->ctx->activityreports->activity_dt),dcCore::app()->blog->settings->system->blog_timezone)') . '; ?>';
+            return '<?php echo ' . sprintf($f, Date::class . '::rfc822(strtotime(App::frontend()->context()->activityreports->activity_dt),App::blog()->settings()->system->blog_timezone)') . '; ?>';
         } elseif ($iso8601) {
-            return '<?php echo ' . sprintf($f, Date::class . '::iso8601(strtotime(dcCore::app()->ctx->activityreports->activity_dt),dcCore::app()->blog->settings->system->blog_timezone)') . '; ?>';
+            return '<?php echo ' . sprintf($f, Date::class . '::iso8601(strtotime(App::frontend()->context()->activityreports->activity_dt),App::blog()->settings()->system->blog_timezone)') . '; ?>';
         } elseif (!empty($format)) {
-            return '<?php echo ' . sprintf($f, Date::class . "::dt2str('" . $format . "',dcCore::app()->ctx->activityreports->activity_dt)") . '; ?>';
+            return '<?php echo ' . sprintf($f, Date::class . "::dt2str('" . $format . "',App::frontend()->context()->activityreports->activity_dt)") . '; ?>';
         }
 
-        return '<?php echo ' . sprintf($f, Date::class . '::dt2str(dcCore::app()->blog->settings->system->date_format,dcCore::app()->ctx->activityreports->activity_dt)') . '; ?>';
+        return '<?php echo ' . sprintf($f, Date::class . '::dt2str(App::blog()->settings()->system->date_format,App::frontend()->context()->activityreports->activity_dt)') . '; ?>';
     }
 }
diff --git a/src/Uninstall.php b/src/Uninstall.php
index c933e12..e8ece2d 100644
--- a/src/Uninstall.php
+++ b/src/Uninstall.php
@@ -1,27 +1,18 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use dcCore;
 use Dotclear\Core\Process;
 use Dotclear\Plugin\Uninstaller\Uninstaller;
 
 /**
- * Uninstall process.
+ * @brief       activityReport uninstall class.
+ * @ingroup     activityReport
  *
- * Using plugin Uninstaller
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 class Uninstall extends Process
 {
@@ -32,7 +23,7 @@ class Uninstall extends Process
 
     public static function process(): bool
     {
-        if (!self::status() || !dcCore::app()->plugins->moduleExists('Uninstaller')) {
+        if (!self::status()) {
             return false;
         }
 
diff --git a/src/UrlHandler.php b/src/UrlHandler.php
index 962479f..0908db9 100644
--- a/src/UrlHandler.php
+++ b/src/UrlHandler.php
@@ -1,27 +1,20 @@
 <?php
-/**
- * @brief activityReport, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Jean-Christian Denis and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\activityReport;
 
-use context;
-use dcCore;
-use dcUrlHandlers;
+use Dotclear\App;
+use Dotclear\Core\Frontend\Url;
 
 /**
- * Frontend URL handler.
+ * @brief       activityReport frontend URL handler class.
+ * @ingroup     activityReport
+ *
+ * @author      Jean-Christian Denis (author)
+ * @copyright   GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-class UrlHandler extends dcUrlHandlers
+class UrlHandler extends Url
 {
     /**
      * Get activity logs feed.
@@ -31,8 +24,7 @@ class UrlHandler extends dcUrlHandlers
     public static function feed(?string $args): void
     {
         // no context or wrong URL args or module no loaded or report unactive
-        if (!dcCore::app()->ctx
-            || !preg_match('/^(atom|rss2)\/(.+)$/', (string) $args, $m)
+        if (!preg_match('/^(atom|rss2)\/(.+)$/', (string) $args, $m)
             || !defined('ACTIVITY_REPORT')
             || !ActivityReport::instance()->settings->feed_active
         ) {
@@ -50,15 +42,15 @@ class UrlHandler extends dcUrlHandlers
         }
 
         // feed limits
-        $nb = dcCore::app()->blog?->settings->get('system')->get('nb_post_per_feed');
-        //$it = dcCore::app()->blog?->settings->get('system')->get('short_feed_items');
-        $rb = dcCore::app()->blog?->settings->get('system')->get('robots_policy');
+        $nb = App::blog()->settings()->get('system')->get('nb_post_per_feed');
+        //$it = App::blog()->settings()->get('system')->get('short_feed_items');
+        $rb = App::blog()->settings()->get('system')->get('robots_policy');
 
-        dcCore::app()->ctx->__set('nb_entry_per_page', is_numeric($nb) ? (int) $nb : 20);
-        // dcCore::app()->ctx->__set('short_feed_items', is_numerci($it) ? (int) $it : 1);
+        App::frontend()->context()->__set('nb_entry_per_page', is_numeric($nb) ? (int) $nb : 20);
+        // App::frontend->context()->__set('short_feed_items', is_numerci($it) ? (int) $it : 1);
 
         // serve activity feed template
-        header('X-Robots-Tag: ' . context::robotsPolicy(is_string($rb) ? $rb : '', ''));
+        header('X-Robots-Tag: ' . App::frontend()->context()::robotsPolicy(is_string($rb) ? $rb : '', ''));
         self::serveDocument('activityreport-' . $m[1] . '.xml', $mime);
     }
 }