diff --git a/_admin.php b/_admin.php
index 8b9d786..e750500 100644
--- a/_admin.php
+++ b/_admin.php
@@ -16,61 +16,64 @@ if (!defined('DC_CONTEXT_ADMIN')) {
 }
 
 # Check plugin version
-if ($core->getVersion('postExpired') != $core->plugins->moduleInfo('postExpired', 'version')) {
+if (dcCore::app()->getVersion('postExpired') != dcCore::app()->plugins->moduleInfo('postExpired', 'version')) {
     return null;
 }
 
 # Check user right
-if (!$core->auth->check('contentadmin', $core->blog->id)) {
+if (!dcCore::app()->auth->check(dcCore::app()->auth->makePermissions([
+        dcAuth::PERMISSION_CONTENT_ADMIN,
+    ]), dcCore::app()->blog->id)
+) {
     return null;
 }
 
 # Admin behaviors
-$core->addBehavior(
-    'adminPostsActionsPage',
-    ['adminBehaviorPostExpired', 'adminPostsActionsPage']
+dcCore::app()->addBehavior(
+    'adminPostsActions',
+    ['adminBehaviorPostExpired', 'adminPostsActions']
 );
-$core->addBehavior(
-    'adminPagesActionsPage',
-    ['adminBehaviorPostExpired', 'adminPostsActionsPage']
+dcCore::app()->addBehavior(
+    'adminPagesActions',
+    ['adminBehaviorPostExpired', 'adminPostsActions']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminPostHeaders',
     ['adminBehaviorPostExpired', 'adminPostHeaders']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminPageHeaders',
     ['adminBehaviorPostExpired', 'adminPostHeaders']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminPostFormItems',
     ['adminBehaviorPostExpired', 'adminPostFormItems']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminPageFormItems',
     ['adminBehaviorPostExpired', 'adminPostFormItems']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminBeforePostDelete',
     ['adminBehaviorPostExpired', 'adminBeforePostDelete']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminBeforePageDelete',
     ['adminBehaviorPostExpired', 'adminBeforePostDelete']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminAfterPostUpdate',
     ['adminBehaviorPostExpired', 'adminAfterPostSave']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminAfterPageUpdate',
     ['adminBehaviorPostExpired', 'adminAfterPostSave']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminAfterPostCreate',
     ['adminBehaviorPostExpired', 'adminAfterPostSave']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'adminAfterPageCreate',
     ['adminBehaviorPostExpired', 'adminAfterPostSave']
 );
@@ -85,10 +88,9 @@ class adminBehaviorPostExpired
     /**
      * Add actions to posts page combo
      * 
-     * @param  dcCore             $core dcCore instance
      * @param  dcPostsActionsPage $ap   dcPostsActionsPage instance
      */
-    public static function adminPostsActionsPage(dcCore $core, dcPostsActionsPage $pa)
+    public static function adminPostsActions(dcPostsActions $pa)
     {
         $pa->addAction(
             array(
@@ -135,7 +137,6 @@ class adminBehaviorPostExpired
         $sidebar_items['post_expired'] = array(
             'title' => __('Expired date'),
             'items' => self::fieldsPostExpired(
-                $GLOBALS['core'],
                 $post->post_type,
                 $post->post_id
             )
@@ -149,7 +150,7 @@ class adminBehaviorPostExpired
      */
     public static function adminBeforePostDelete($post_id)
     {
-        self::delPostExpired($GLOBALS['core'], $post_id);
+        self::delPostExpired($post_id);
     }
 
     /**
@@ -160,9 +161,7 @@ class adminBehaviorPostExpired
      */
     public static function adminAfterPostSave(cursor $cur, $post_id)
     {
-        global $core;
-
-        self::delPostExpired($core, $post_id);
+        self::delPostExpired($post_id);
 
         if (!empty($_POST['post_expired_date'])
          && (!empty($_POST['post_expired_status'])
@@ -170,18 +169,17 @@ class adminBehaviorPostExpired
           || !empty($_POST['post_expired_selected'])
           || !empty($_POST['post_expired_comment'])
           || !empty($_POST['post_expired_trackback']))) {
-            self::setPostExpired($core, $post_id, $_POST);
+            self::setPostExpired($post_id, $_POST);
         }
     }
 
     /**
      * Posts actions callback to add expired date
      * 
-     * @param  dcCore             $core dcCore instance
-     * @param  dcPostsActionsPage $pa   dcPostsActionsPage instance
+     * @param  dcPostsActions   $pa   dcPostsActions instance
      * @param  ArrayObject        $post _POST actions
      */
-    public static function callbackAdd(dcCore $core, dcPostsActionsPage $pa, ArrayObject $post)
+    public static function callbackAdd(dcPostsActions $pa, ArrayObject $post)
     {
         # No entry
         $posts_ids = $pa->getIDs();
@@ -197,11 +195,11 @@ class adminBehaviorPostExpired
           || !empty($post['post_expired_comment'])
           || !empty($post['post_expired_trackback']))) {
             foreach($posts_ids as $post_id) {
-                self::delPostExpired($core, $post_id);
-                self::setPostExpired($core, $post_id, $post);
+                self::delPostExpired($post_id);
+                self::setPostExpired($post_id, $post);
             }
 
-            dcPage::addSuccessNotice(__('Expired date added.'));
+            dcAdminNotices::addSuccessNotice(__('Expired date added.'));
             $pa->redirect(true);
 
         # Display form
@@ -211,7 +209,7 @@ class adminBehaviorPostExpired
 
             $pa->beginPage(
                 dcPage::breadcrumb(array(
-                    html::escapeHTML($core->blog->name) => '',
+                    html::escapeHTML(dcCore::app()->blog->name) => '',
                     $pa->getCallerTitle() => $pa->getRedirection(true),
                     __('Add expired date to this selection') => '' 
                 )),
@@ -223,9 +221,9 @@ class adminBehaviorPostExpired
             '<form action="' . $pa->getURI() . '" method="post">' .
             $pa->getCheckboxes() .
 
-            implode('', self::fieldsPostExpired($core, $posts->post_type)) .
+            implode('', self::fieldsPostExpired($posts->post_type)) .
 
-            $core->formNonce() .
+            dcCore::app()->formNonce() .
             $pa->getHiddenFields() .
             form::hidden(array('action'), 'post_expired_add') .
             '<input type="submit" value="' . __('Save') . '" /></p>' .
@@ -238,11 +236,10 @@ class adminBehaviorPostExpired
     /**
      * Posts actions callback to add expired date
      * 
-     * @param  dcCore             $core dcCore instance
-     * @param  dcPostsActionsPage $pa   dcPostsActionsPage instance
+     * @param  dcPostsActions   $pa   dcPostsActions instance
      * @param  ArrayObject        $post _POST actions
      */
-    public static function callbackRemove(dcCore $core, dcPostsActionsPage $pa, ArrayObject $post)
+    public static function callbackRemove(dcPostsActions $pa, ArrayObject $post)
     {
         # No entry
         $posts_ids = $pa->getIDs();
@@ -252,32 +249,30 @@ class adminBehaviorPostExpired
 
         # Delete expired date
         foreach($posts_ids as $post_id) {
-            self::delPostExpired($core, $post_id);
+            self::delPostExpired($post_id);
         }
 
-        dcPage::addSuccessNotice(__('Expired date deleted.'));
+        dcAdminNotices::addSuccessNotice(__('Expired date deleted.'));
         $pa->redirect(true);
     }
 
     /**
      * Delete expired date
      * 
-     * @param  dcCore  $core    dcCore instance
      * @param  integer $post_id Post id
      */
-    protected static function delPostExpired(dcCore $core, $post_id)
+    protected static function delPostExpired($post_id)
     {
-        $core->meta->delPostMeta($post_id, 'post_expired');
+        dcCore::app()->meta->delPostMeta($post_id, 'post_expired');
     }
 
     /**
      * Save expired date
      * 
-     * @param dcCore  $core    dcCore instance
      * @param integer $post_id Post id
      * @param array   $post    _POST fields
      */
-    protected static function setPostExpired(dcCore $core, $post_id, $post)
+    protected static function setPostExpired($post_id, $post)
     {
         $post_expired = array(
             'status'=> '',
@@ -312,7 +307,7 @@ class adminBehaviorPostExpired
                 (string) $post['post_expired_trackback'];
         }
 
-        $core->meta->setPostMeta(
+        dcCore::app()->meta->setPostMeta(
             $post_id,
             'post_expired',
             encodePostExpired($post_expired)
@@ -322,17 +317,16 @@ class adminBehaviorPostExpired
     /**
      * Expired date form fields
      * 
-     * @param  dcCore $core      dcCore instance
      * @param  string $post_type Posts type
      * @return array             Array of HTML form fields
      */
-    protected static function fieldsPostExpired(dcCore $core, $post_type, $post_id = null)
+    protected static function fieldsPostExpired($post_type, $post_id = null)
     {
         $fields = $post_expired = array();
 
         if ($post_id) {
 
-            $rs = $core->meta->getMetadata([
+            $rs = dcCore::app()->meta->getMetadata([
                 'meta_type' => 'post_expired',
                 'post_id' => $post_id,
                 'limit' => 1
@@ -371,7 +365,7 @@ class adminBehaviorPostExpired
                 form::combo(
                     'post_expired_category',
                     self::categoriesCombo(
-                        $core->blog->getCategories(
+                        dcCore::app()->blog->getCategories(
                             array('post_type' => 'post')
                         )
                     ),
@@ -416,10 +410,10 @@ class adminBehaviorPostExpired
     /**
      * Custom categories combo
      * 
-     * @param  record $categories Categories recordset
+     * @param  dcRecord $categories Categories recordset
      * @return array              Categorires combo
      */
-    protected static function categoriesCombo(record $categories)
+    protected static function categoriesCombo(dcRecord $categories)
     {
         # Getting categories
         $categories_combo = array(
@@ -427,7 +421,7 @@ class adminBehaviorPostExpired
             __('Uncategorized') => '!'
         );
         try {
-            $categories = $GLOBALS['core']->blog->getCategories(
+            $categories = dcCore::app()->blog->getCategories(
                 array('post_type' => 'post')
             );
             while ($categories->fetch()) {
diff --git a/_define.php b/_define.php
index 81a053e..cdcb8e8 100644
--- a/_define.php
+++ b/_define.php
@@ -19,10 +19,13 @@ $this->registerModule(
     'Expired entries',
     'Change entries options at a given date', 
     'Jean-Christian Denis and Contributors',
-    '2022.04.27',
+    '2022.11.12',
     [
-        'requires' => [['core', '2.21']],
-        'permissions'   => 'usage,contentadmin',
+        'requires' => [['core', '2.24']],
+        'permissions'   => dcCore::app()->auth->makePermissions([
+            dcAuth::PERMISSION_USAGE,
+            dcAuth::PERMISSION_CONTENT_ADMIN,
+        ]),
         'type'          => 'plugin',
         'support'       => 'https://github.com/JcDenis/postExpired',
         'details'       => 'https://plugins.dotaddict.org/dc2/details/postExpired',
diff --git a/_install.php b/_install.php
index 1a38f9d..1cdf951 100644
--- a/_install.php
+++ b/_install.php
@@ -16,15 +16,15 @@ if (!defined('DC_CONTEXT_ADMIN')) {
 }
 
 # -- Module specs --
-$dc_min = '2.21';
+$dc_min = '2.24';
 $mod_id = 'postExpired';
 
 # -- Nothing to change below --
 try {
     # Check module version
     if (version_compare(
-        $core->getVersion($mod_id),
-        $core->plugins->moduleInfo($mod_id, 'version'),
+        dcCore::app()->getVersion($mod_id),
+        dcCore::app()->plugins->moduleInfo($mod_id, 'version'),
         '>='
     )) {
         return null;
@@ -39,14 +39,14 @@ try {
     }
 
     # Set module version
-    $core->setVersion(
+    dcCore::app()->setVersion(
         $mod_id,
-        $core->plugins->moduleInfo($mod_id, 'version')
+        dcCore::app()->plugins->moduleInfo($mod_id, 'version')
     );
 
     return true;
 } catch (Exception $e) {
-    $core->error->add($e->getMessage());
+    dcCore::app()->error->add($e->getMessage());
 
     return false;
 }
\ No newline at end of file
diff --git a/_public.php b/_public.php
index 086b23c..f510b4d 100644
--- a/_public.php
+++ b/_public.php
@@ -15,7 +15,7 @@ if (!defined('DC_RC_PATH')) {
     return null;
 }
 
-if ($core->getVersion('postExpired') != $core->plugins->moduleInfo('postExpired', 'version')) {
+if (dcCore::app()->getVersion('postExpired') != dcCore::app()->plugins->moduleInfo('postExpired', 'version')) {
     return null;
 }
 
@@ -23,25 +23,25 @@ __('Expired on');
 __('This entry has no expiration date');
 
 # launch update only on public home page and feed
-if (in_array($core->url->type, array('default', 'feed'))) { 
-    $core->addBehavior(
-        'publicBeforeDocument',
+if (in_array(dcCore::app()->url->type, array('default', 'feed'))) { 
+    dcCore::app()->addBehavior(
+        'publicBeforeDocumentV2',
         ['publicBehaviorPostExpired', 'publicBeforeDocument']
     );
 }
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'coreBlogGetPosts',
     ['publicBehaviorPostExpired', 'coreBlogGetPosts']
 );
-$core->tpl->addBlock(
+dcCore::app()->tpl->addBlock(
     'EntryExpiredIf',
     ['tplPostExpired', 'EntryExpiredIf']
 );
-$core->tpl->addValue(
+dcCore::app()->tpl->addValue(
     'EntryExpiredDate',
     ['tplPostExpired', 'EntryExpiredDate']
 );
-$core->tpl->addValue(
+dcCore::app()->tpl->addValue(
     'EntryExpiredTime',
     ['tplPostExpired', 'EntryExpiredTime']
 );
@@ -56,17 +56,16 @@ class publicBehaviorPostExpired
     /**
      * Check if there are expired dates
      * 
-     * @param  dcCore $core dcCore instance
      */
-    public static function publicBeforeDocument(dcCore $core)
+    public static function publicBeforeDocument()
     {
         # Get expired dates and post_id
-        $posts = $core->con->select(
+        $posts = dcCore::app()->con->select(
             'SELECT P.post_id, P.post_tz, META.meta_id ' .
-            'FROM ' . $core->prefix . 'post P ' .
-            'INNER JOIN ' . $core->prefix . 'meta META ' .
+            'FROM ' . dcCore::app()->prefix . 'post P ' .
+            'INNER JOIN ' . dcCore::app()->prefix . 'meta META ' .
             'ON META.post_id = P.post_id ' .
-            "WHERE blog_id = '" . $core->con->escape($core->blog->id) . "' " .
+            "WHERE blog_id = '" . dcCore::app()->con->escape(dcCore::app()->blog->id) . "' " .
             // Removed for quick compatibility with some plugins
             //"AND P.post_type = 'post' " . 
             "AND META.meta_type = 'post_expired' "
@@ -81,7 +80,7 @@ class publicBehaviorPostExpired
         $now = dt::toUTC(time());
 
         # Prepared post cursor
-        $post_cur = $core->con->openCursor($core->prefix . 'post');
+        $post_cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . 'post');
 
         # Loop through marked posts
         $updated = false;
@@ -95,8 +94,8 @@ class publicBehaviorPostExpired
             $meta_tz = strtotime($post_expired['date']);
             if ($now_tz > $meta_tz) {
                 # Delete meta for expired date
-                $core->auth->sudo(
-                    array($core->meta, 'delPostMeta'),
+                dcCore::app()->auth->sudo(
+                    array(dcCore::app()->meta, 'delPostMeta'),
                     $posts->post_id,
                     'post_expired'
                 );
@@ -142,7 +141,7 @@ class publicBehaviorPostExpired
                 # Update post
                 $post_cur->update(
                     'WHERE post_id = ' . $posts->post_id . ' ' .
-                    "AND blog_id = '" . $core->con->escape($core->blog->id) . "' "
+                    "AND blog_id = '" . dcCore::app()->con->escape(dcCore::app()->blog->id) . "' "
                 );
 
                 $updated = true;
@@ -151,16 +150,16 @@ class publicBehaviorPostExpired
 
         # Say blog is updated
         if ($updated) {
-            $core->blog->triggerBlog();
+            dcCore::app()->blog->triggerBlog();
         }
     }
 
     /**
      * Extends posts record with expired date
      * 
-     * @param  record $rs Post recordset
+     * @param  dcRecord $rs Post recordset
      */
-    public static function coreBlogGetPosts(record $rs)
+    public static function coreBlogGetPosts(dcRecord $rs)
     {
         $rs->extend('rsExtPostExpiredPublic');
     }
@@ -179,7 +178,7 @@ class rsExtPostExpiredPublic extends rsExtPost
      * @param  record  $rs            Post recordset
      * @return string                 Expired date or null
      */
-    public static function postExpiredDate(record $rs)
+    public static function postExpiredDate(dcRecord $rs)
     {
         if (!$rs->postexpired[$rs->post_id]) { //memory
             $rs_date = $rs->core->meta->getMetadata([
@@ -221,9 +220,9 @@ class tplPostExpired
 
         if (isset($attr['has_date'])) {
             $sign = (boolean) $attr['has_date'] ? '!' : '=';
-            $if[] = '(null ' . $sign . '== $_ctx->posts->postExpiredDate())';
+            $if[] = '(null ' . $sign . '== dcCore::app()->ctx->posts->postExpiredDate())';
         } else {
-            $if[] = '(null !== $_ctx->posts->postExpiredDate())';
+            $if[] = '(null !== dcCore::app()->ctx->posts->postExpiredDate())';
         }
 
         return 
@@ -241,19 +240,19 @@ class tplPostExpired
     {
         $format = !empty($attr['format']) ? 
             addslashes($attr['format']) : '';
-        $f = $GLOBALS['core']->tpl->getFilters($attr);
+        $f = dcCore::app()->tpl->getFilters($attr);
 
         if (!empty($attr['rfc822'])) {
-            $res = sprintf($f, "dt::rfc822(strtotime(\$_ctx->posts->postExpiredDate()),\$_ctx->posts->post_tz)");
+            $res = sprintf($f, "dt::rfc822(strtotime(dcCore::app()->ctx->posts->postExpiredDate()),dcCore::app()->ctx->posts->post_tz)");
         } elseif (!empty($attr['iso8601'])) {
-            $res = sprintf($f, "dt::iso8601(strtotime(\$_ctx->posts->postExpiredDate(),\$_ctx->posts->post_tz)");
+            $res = sprintf($f, "dt::iso8601(strtotime(dcCore::app()->ctx->posts->postExpiredDate(),dcCore::app()->ctx->posts->post_tz)");
         } elseif ($format) {
-            $res = sprintf($f, "dt::dt2str('" . $format . "',\$_ctx->posts->postExpiredDate())");
+            $res = sprintf($f, "dt::dt2str('" . $format . "',dcCore::app()->ctx->posts->postExpiredDate())");
         } else {
-            $res = sprintf($f, "dt::dt2str(\$core->blog->settings->system->date_format,\$_ctx->posts->postExpiredDate())");
+            $res = sprintf($f, "dt::dt2str(dcCore::app()->blog->settings->system->date_format,dcCore::app()->ctx->posts->postExpiredDate())");
         }
 
-        return '<?php if (null !== $_ctx->posts->postExpiredDate()) { echo ' . $res . '; } ?>';
+        return '<?php if (null !== dcCore::app()->ctx->posts->postExpiredDate()) { echo ' . $res . '; } ?>';
     }
 
     /**
@@ -264,11 +263,11 @@ class tplPostExpired
     public static function EntryExpiredTime($attr)
     {
         return 
-        '<?php if (null !== $_ctx->posts->postExpiredDate()) { echo ' . sprintf(
-            $GLOBALS['core']->tpl->getFilters($attr), "dt::dt2str(" .
+        '<?php if (null !== dcCore::app()->ctx->posts->postExpiredDate()) { echo ' . sprintf(
+            dcCore::app()->tpl->getFilters($attr), "dt::dt2str(" .
             (!empty($attr['format']) ? 
-                "'" . addslashes($attr['format']) . "'" : "\$core->blog->settings->system->time_format"
-            ) . ",\$_ctx->posts->postExpiredDate())"
+                "'" . addslashes($attr['format']) . "'" : "dcCore::app()->blog->settings->system->time_format"
+            ) . ",dcCore::app()->ctx->posts->postExpiredDate())"
         ) . '; } ?>';
     }