diff --git a/src/Backend.php b/src/Backend.php
index 496029a..9678d7e 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -14,30 +14,25 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\improve;
 
-use dcAdmin;
 use dcCore;
-use dcPage;
-use dcFavorites;
-use dcNsProcess;
+use Dotclear\Core\Backend\Favorites;
+use Dotclear\Core\Process;
 
 /**
  * Improve admin class
  *
  * Add menu and dashboard icons, load Improve tasks.
  */
-class Backend extends dcNsProcess
+class Backend extends Process
 {
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->auth->isSuperAdmin();
-
-        return static::$init;
+        return self::status(My::checkContext(My::BACKEND));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
@@ -45,23 +40,17 @@ class Backend extends dcNsProcess
             return false;
         }
 
-        dcCore::app()->menu[dcAdmin::MENU_PLUGINS]->addItem(
-            My::name(),
-            dcCore::app()->adminurl->get('admin.plugin.' . My::id()),
-            dcPage::getPF(My::id() . '/icon.svg'),
-            preg_match('/' . preg_quote(dcCore::app()->adminurl->get('admin.plugin.' . My::id())) . '(&.*)?$/', $_SERVER['REQUEST_URI']),
-            dcCore::app()->auth->isSuperAdmin()
-        );
+        My::addBackendMenuItem();
 
         dcCore::app()->addBehaviors([
-            'adminDashboardFavoritesV2' => function (dcFavorites $favs): void {
+            'adminDashboardFavoritesV2' => function (Favorites $favs): void {
                 $favs->register(
                     My::id(),
                     [
                         'title'      => My::name(),
-                        'url'        => dcCore::app()->adminurl?->get('admin.plugin.' . My::id()),
-                        'small-icon' => dcPage::getPF(My::id() . '/icon.svg'),
-                        'large-icon' => dcPage::getPF(My::id() . '/icon.svg'),
+                        'url'        => My::manageUrl(),
+                        'small-icon' => My::icons(),
+                        'large-icon' => My::icons(),
                         //'permissions' => null,
                     ]
                 );
diff --git a/src/Config.php b/src/Config.php
index 709264b..7147911 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -15,8 +15,8 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve;
 
 use dcCore;
-use dcPage;
-use dcNsProcess;
+use Dotclear\Core\Backend\Notices;
+use Dotclear\Core\Process;
 use Dotclear\Helper\Html\Form\{
     Checkbox,
     Div,
@@ -34,19 +34,16 @@ use Exception;
  *
  * Set preference for this plugin.
  */
-class Config extends dcNsProcess
+class Config extends Process
 {
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->auth->isSuperAdmin();
-
-        return static::$init;
+        return self::status(My::checkContext(My::CONFIG));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
@@ -54,7 +51,7 @@ class Config extends dcNsProcess
             return true;
         }
 
-        if (is_null(dcCore::app()->blog)) {
+        if (is_null(dcCore::app()->blog) || !My::settings()) {
             return false;
         }
 
@@ -63,14 +60,14 @@ class Config extends dcNsProcess
             if (!empty($_POST['disabled']) && is_array($_POST['disabled'])) {
                 $pdisabled = implode(';', $_POST['disabled']);
             }
-            dcCore::app()->blog->settings->get(My::id())->put('disabled', $pdisabled);
-            dcCore::app()->blog->settings->get(My::id())->put('nodetails', !empty($_POST['nodetails']));
-            dcCore::app()->blog->settings->get(My::id())->put('allow_distrib', !empty($_POST['allow_distrib']));
-            dcCore::app()->blog->settings->get(My::id())->put('combosortby', $_POST['combosortby'] ?: 'name');
+            My::settings()->put('disabled', $pdisabled);
+            My::settings()->put('nodetails', !empty($_POST['nodetails']));
+            My::settings()->put('allow_distrib', !empty($_POST['allow_distrib']));
+            My::settings()->put('combosortby', $_POST['combosortby'] ?: 'name');
 
-            dcPage::addSuccessNotice(__('Configuration successfully updated'));
+            Notices::addSuccessNotice(__('Configuration successfully updated'));
 
-            dcCore::app()->adminurl->redirect(
+            dcCore::app()->admin->url->redirect(
                 'admin.plugins',
                 ['module' => My::id(), 'conf' => 1, 'chk' => 1, 'redir' => dcCore::app()->admin->__get('list')->getRedir()]
             );
@@ -83,7 +80,7 @@ class Config extends dcNsProcess
 
     public static function render(): void
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return;
         }
 
@@ -91,8 +88,7 @@ class Config extends dcNsProcess
             return;
         }
 
-        $items    = [];
-        $settings = dcCore::app()->blog->settings->get(My::id());
+        $items = [];
 
         foreach (Improve::instance()->tasks->dump() as $task) {
             $items[] = (new Para())->items([
@@ -106,16 +102,16 @@ class Config extends dcNsProcess
             (new Fieldset())->class('fieldset')->legend(new Legend(__('List of disabled tasks')))->fields($items),
             (new Fieldset())->class('fieldset')->legend(new Legend(__('Options')))->fields([
                 (new Para())->items([
-                    (new Checkbox('nodetails', (bool) $settings->get('nodetails')))->value('1'),
+                    (new Checkbox('nodetails', (bool) My::settings()?->get('nodetails')))->value('1'),
                     (new Label(__('Hide details of rendered tasks'), Label::OUTSIDE_LABEL_AFTER))->class('classic')->for('nodetails'),
                 ]),
                 (new Para())->items([
-                    (new Checkbox('allow_distrib', (bool) $settings->get('allow_distrib')))->value('1'),
+                    (new Checkbox('allow_distrib', (bool) My::settings()?->get('allow_distrib')))->value('1'),
                     (new Label(__('Show dotclear distributed modules'), Label::OUTSIDE_LABEL_AFTER))->class('classic')->for('allow_distrib'),
                 ]),
                 (new Para())->items([
                     (new Label(__('Sort modules seletion by:'), Label::OUTSIDE_LABEL_BEFORE))->for('combosortby'),
-                    (new Select('combosortby'))->items([__('Name') => 'name', __('Id') => 'id'])->default($settings->get('combosortby')),
+                    (new Select('combosortby'))->items([__('Name') => 'name', __('Id') => 'id'])->default(My::settings()?->get('combosortby')),
                 ]),
             ]),
         ])->render();
diff --git a/src/Improve.php b/src/Improve.php
index 85ecf18..8b8a330 100644
--- a/src/Improve.php
+++ b/src/Improve.php
@@ -14,7 +14,6 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\improve;
 
-use dcCore;
 use dcModuleDefine;
 use Dotclear\Helper\File\{
     Files,
@@ -50,7 +49,7 @@ class Improve
         $this->tasks = new Tasks();
 
         // mark some tasks as disabled (by settings)
-        $disable = explode(';', (string) dcCore::app()->blog?->settings->get(My::id())->get('disabled'));
+        $disable = explode(';', (string) My::settings()?->get('disabled'));
         foreach ($disable as $id) {
             $this->tasks->get($id)?->disable();
         }
diff --git a/src/Install.php b/src/Install.php
index 9411ea3..e3b8276 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -16,7 +16,7 @@ namespace Dotclear\Plugin\improve;
 
 use dcCore;
 use dcNamespace;
-use dcNsProcess;
+use Dotclear\Core\Process;
 use Exception;
 
 /**
@@ -25,7 +25,7 @@ use Exception;
  * Set default settings and version
  * and manage changes on updates.
  */
-class Install extends dcNsProcess
+class Install extends Process
 {
     /** @var array Improve default settings */
     private static $default_settings = [[
@@ -37,15 +37,12 @@ class Install extends dcNsProcess
 
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->newVersion(My::id(), dcCore::app()->plugins->moduleInfo(My::id(), 'version'));
-
-        return static::$init;
+        return self::status(My::checkContext(My::INSTALL));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
@@ -65,7 +62,7 @@ class Install extends dcNsProcess
     private static function putSettings(): void
     {
         foreach (self::$default_settings as $v) {
-            dcCore::app()->blog?->settings->get(My::id())->put(
+            My::settings()?->put(
                 $v[0],
                 $v[2],
                 $v[3],
@@ -79,11 +76,11 @@ class Install extends dcNsProcess
     /** Update improve < 0.8 : action modules settings name */
     private static function update_0_8_0(): void
     {
-        if (!is_null(dcCore::app()->blog) && version_compare(dcCore::app()->getVersion(My::id()) ?? '0', '0.8', '<')) {
-            foreach (dcCore::app()->blog->settings->get(My::id())->dumpGlobalSettings() as $id => $values) {
+        if (!is_null(dcCore::app()->blog) && My::settings() && version_compare(dcCore::app()->getVersion(My::id()) ?? '0', '0.8', '<')) {
+            foreach (My::settings()->dumpGlobalSettings() as $id => $values) {
                 $newId = str_replace('ImproveAction', '', $id);
                 if ($id != $newId) {
-                    dcCore::app()->blog->settings->get(My::id())->rename($id, strtolower($newId));
+                    My::settings()->rename($id, strtolower($newId));
                 }
             }
         }
diff --git a/src/Manage.php b/src/Manage.php
index 0c4d57c..ee94d43 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -15,11 +15,10 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve;
 
 use dcCore;
-use dcPage;
-use dcAdminNotices;
 use dcThemes;
-use dcUtils;
-use dcNsProcess;
+use Dotclear\Core\Backend\Notices;
+use Dotclear\Core\Backend\Page;
+use Dotclear\Core\Process;
 use Dotclear\Helper\Html\Html;
 use Dotclear\Helper\Html\Form\{
     Checkbox,
@@ -32,6 +31,7 @@ use Dotclear\Helper\Html\Form\{
     Submit,
     Text
 };
+use Dotclear\Helper\Text as TText;
 use Exception;
 
 /**
@@ -40,7 +40,7 @@ use Exception;
  * Display page and configure modules
  * and execute tasks.
  */
-class Manage extends dcNsProcess
+class Manage extends Process
 {
     /** @var    string  $type   Current module(s) type */
     private static string $type = 'plugin';
@@ -53,15 +53,12 @@ class Manage extends dcNsProcess
 
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN')
-            && dcCore::app()->auth->isSuperAdmin();
-
-        return static::$init;
+        return self::status(My::checkContext(My::MANAGE));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
@@ -74,9 +71,9 @@ class Manage extends dcNsProcess
 
         if (!empty($_POST['fix'])) {
             if (empty($_POST['actions'])) {
-                dcAdminNotices::addWarningNotice(__('No tasks selected'));
+                Notices::addWarningNotice(__('No tasks selected'));
             } elseif (self::$module == '-') {
-                dcAdminNotices::addWarningNotice(__('No module selected'));
+                Notices::addWarningNotice(__('No module selected'));
             } else {
                 try {
                     $time = Improve::instance()->fix(
@@ -87,15 +84,15 @@ class Manage extends dcNsProcess
                     dcCore::app()->blog?->triggerBlog();
 
                     if (Improve::instance()->logs->has('error')) {
-                        $notice = ['type' => dcAdminNotices::NOTICE_ERROR, 'msg' => __('Fix of "%s" complete in %s secondes with errors')];
+                        $notice = ['type' => Notices::NOTICE_ERROR, 'msg' => __('Fix of "%s" complete in %s secondes with errors')];
                     } elseif (Improve::instance()->logs->has('warning')) {
-                        $notice = ['type' => dcAdminNotices::NOTICE_WARNING, 'msg' => __('Fix of "%s" complete in %s secondes with warnings')];
+                        $notice = ['type' => Notices::NOTICE_WARNING, 'msg' => __('Fix of "%s" complete in %s secondes with warnings')];
                     } elseif (Improve::instance()->logs->has('success')) {
-                        $notice = ['type' => dcAdminNotices::NOTICE_SUCCESS, 'msg' => __('Fix of "%s" complete in %s secondes')];
+                        $notice = ['type' => Notices::NOTICE_SUCCESS, 'msg' => __('Fix of "%s" complete in %s secondes')];
                     } else {
-                        $notice = ['type' => dcAdminNotices::NOTICE_SUCCESS, 'msg' => __('Fix of "%s" complete in %s secondes without messages')];
+                        $notice = ['type' => Notices::NOTICE_SUCCESS, 'msg' => __('Fix of "%s" complete in %s secondes without messages')];
                     }
-                    dcAdminNotices::addNotice($notice['type'], sprintf($notice['msg'], self::$module, $time));
+                    Notices::addNotice($notice['type'], sprintf($notice['msg'], self::$module, $time));
 
                     $done = true;
                 } catch (Exception $e) {
@@ -106,7 +103,7 @@ class Manage extends dcNsProcess
         }
 
         if ($done) {
-            dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), ['type' => self::$type, 'module' => self::$module, 'upd' => $log_id]);
+            My::redirect(['type' => self::$type, 'module' => self::$module, 'upd' => $log_id]);
         }
 
         return true;
@@ -114,23 +111,23 @@ class Manage extends dcNsProcess
 
     public static function render(): void
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return;
         }
 
-        dcPage::openModule(
+        Page::openModule(
             My::name(),
-            dcPage::jsModuleLoad(My::id() . '/js/index.js') .
+            My::jsLoad('index') .
             (self::$task === null ? '' : self::$task->header())
         );
 
         echo
-        dcPage::breadcrumb([
+        Page::breadcrumb([
             __('Plugins')                                                                                                             => '',
             My::name()                                                                                                                => '',
             empty($_REQUEST['config']) ? (self::$type == 'theme' ? __('Themes tasks') : __('Plugins tasks')) : __('Configure module') => '',
         ]) .
-        dcPage::notices();
+        Notices::getNotices();
 
         if (empty($_REQUEST['config'])) {
             self::displayActions();
@@ -138,19 +135,19 @@ class Manage extends dcNsProcess
             self::displayConfigurator();
         }
 
-        dcPage::closeModule();
+        Page::closeModule();
     }
 
     private static function displayConfigurator(): void
     {
-        $back_url = $_REQUEST['redir'] ?? dcCore::app()->adminurl?->get('admin.plugin.' . My::id(), ['type' => self::$type]);
+        $back_url = $_REQUEST['redir'] ?? My::manageURL(['type' => self::$type]);
 
         if (null === self::$task) {
             echo '
             <p class="warning">' . __('Unknow task') . '</p>
             <p><a class="back" href="' . $back_url . '">' . __('Back') . '</a></p>';
         } else {
-            $redir = $_REQUEST['redir'] ?? dcCore::app()->adminurl?->get('admin.plugin.' . My::id(), ['type' => self::$type, 'config' => self::$task->properties->id]);
+            $redir = $_REQUEST['redir'] ?? My::manageUrl(['type' => self::$type, 'config' => self::$task->properties->id]);
             $res   = self::$task->configure($redir);
 
             echo '
@@ -158,7 +155,7 @@ class Manage extends dcNsProcess
             <p><a class="back" href="' . $back_url . '">' . __('Back') . '</a></p>
             <h4>' . Html::escapeHTML(self::$task->properties->description) . '</h4>' .
 
-            (new Form('form-actions'))->method('post')->action(dcCore::app()->adminurl?->get('admin.plugin.' . My::id()))->fields([
+            (new Form('form-actions'))->method('post')->action(My::manageUrl())->fields([
                 empty($res) ? (new Text('p', __('Nothing to configure')))->class('message') : (new Text('', $res)),
                 (new Para())->class('clear')->items([
                     (new Submit(['save']))->value(__('Save')),
@@ -174,12 +171,13 @@ class Manage extends dcNsProcess
     private static function displayActions(): void
     {
         echo
-        (new Form('improve_menu'))->method('get')->action(dcCore::app()->adminurl?->get('admin.plugin.' . My::id()))->fields([
+        (new Form('improve_menu'))->method('get')->action(My::manageUrl())->fields([
             (new Para())->class('anchor-nav')->items([
                 (new Label(__('Goto:'), Label::OUTSIDE_LABEL_BEFORE))->for('type')->class('classic'),
                 (new Select('type'))->default(self::$type)->items([__('Plugins') => 'plugin', __('Themes') => 'theme']),
                 (new Submit('simenu'))->value(__('Save')),
                 (new Hidden('p', My::id())),
+                (new Hidden('process', 'Plugin')),
             ]),
         ])->render();
 
@@ -187,7 +185,7 @@ class Manage extends dcNsProcess
         if (count($combo_modules) == 1) {
             echo '<p class="message">' . __('No module to manage') . '</p>';
         } else {
-            echo '<p /><form action="' . dcCore::app()->adminurl?->get('admin.plugin.' . My::id()) . '" method="post" id="form-actions">' .
+            echo '<p /><form action="' . My::manageUrl() . '" method="post" id="form-actions">' .
             '<table><caption>' . __('List of available tasks') . '</caption><thead><tr>' .
             '<th colspan="2" class="first">' . __('Task') . '</td>' .
             '<th scope="col">' . __('Description') . '</td>' .
@@ -212,7 +210,7 @@ class Manage extends dcNsProcess
                 '<td class="maximal">' . $task->properties->description . '</td>' .
                 '<td class="minimal nowrap modules">' . (
                     false === $task->properties->configurator ? '' :
-                        '<a class="module-config" href="' . dcCore::app()->adminurl?->get('admin.plugin.' . My::id(), ['type' => self::$type, 'config' => $task->properties->id]) .
+                        '<a class="module-config" href="' . My::manageUrl(['type' => self::$type, 'config' => $task->properties->id]) .
                         '" title="' . sprintf(__("Configure task '%s'"), $task->properties->name) . '">' . __('Configure') . '</a>'
                 ) . '</td>' .
                 (DC_DEBUG ? '<td class="minimal"><span class="debug">' . $task->properties->priority . '</span></td>' : '') . /* @phpstan-ignore-line */
@@ -236,7 +234,7 @@ class Manage extends dcNsProcess
             '<br class="clear" />
             </form>';
 
-            if (!empty($_REQUEST['upd']) && !dcCore::app()->blog?->settings->get(My::id())->get('nodetails')) {
+            if (!empty($_REQUEST['upd']) && !My::settings()?->get('nodetails')) {
                 $logs = Improve::instance()->logs->parse((int) $_REQUEST['upd']);
 
                 if (!empty($logs)) {
@@ -289,7 +287,7 @@ class Manage extends dcNsProcess
     {
         try {
             if (!empty(self::$type)) {
-                $preferences = dcCore::app()->blog?->settings->get(My::id())->get('preferences');
+                $preferences = My::settings()?->get('preferences');
                 if (is_string($preferences)) {
                     $preferences = json_decode($preferences, true);
                     if (is_array($preferences)) {
@@ -315,8 +313,8 @@ class Manage extends dcNsProcess
                     }
                 }
             }
-            dcCore::app()->blog->settings->get(My::id())->put('preferences', json_encode($preferences), 'string', null, true, true);
-            dcAdminNotices::addSuccessNotice(__('Configuration successfully updated'));
+            My::settings()?->put('preferences', json_encode($preferences), 'string', null, true, true);
+            Notices::addSuccessNotice(__('Configuration successfully updated'));
 
             return true;
         }
@@ -337,16 +335,16 @@ class Manage extends dcNsProcess
 
         $combo_modules = [];
         $modules       = self::$type == 'plugin' ? dcCore::app()->plugins->getDefines() : dcCore::app()->themes->getDefines();
-        if (dcCore::app()->blog->settings->get(My::id())->get('combosortby') == 'id') {
+        if (My::settings()?->get('combosortby') === 'id') {
             uasort($modules, fn ($a, $b) => strtolower($a->getId()) <=> strtolower($b->getId()));
         } else {
-            uasort($modules, fn ($a, $b) => strtolower(dcUtils::removeDiacritics($a->get('name'))) <=> strtolower(dcUtils::removeDiacritics($b->get('name'))));
+            uasort($modules, fn ($a, $b) => strtolower(TText::removeDiacritics($a->get('name'))) <=> strtolower(TText::removeDiacritics($b->get('name'))));
         }
         foreach ($modules as $module) {
-            if (!$module->get('root_writable') || !dcCore::app()->blog->settings->get(My::id())->get('allow_distrib') && $module->get('distributed')) {
+            if (!$module->get('root_writable') || !My::settings()->get('allow_distrib') && $module->get('distributed')) {
                 continue;
             }
-            if (dcCore::app()->blog->settings->get(My::id())->get('combosortby') == 'id') {
+            if (My::settings()->get('combosortby') === 'id') {
                 $combo_modules[sprintf(__('%s (%s)'), $module->getId(), __($module->get('name')))] = $module->getId();
             } else {
                 $combo_modules[sprintf(__('%s (%s)'), __($module->get('name')), $module->getId())] = $module->getId();
diff --git a/src/Module.php b/src/Module.php
index 680cc9d..8317e20 100644
--- a/src/Module.php
+++ b/src/Module.php
@@ -128,7 +128,7 @@ class Module
     }
 
     /**
-     * Replicate adminModulesList::sanitizeModule
+     * Replicate ModulesList::sanitizeModule
      *
      * @param  string $type       Module type
      * @param  string $id         Module id
@@ -184,7 +184,7 @@ class Module
     }
 
     /**
-     * Replicate adminModulesList::sanitizeString
+     * Replicate ModulesList::sanitizeString
      *
      * @param  string   $str    String to sanitize
      *
diff --git a/src/My.php b/src/My.php
index 8cdb5bb..3aa9e14 100644
--- a/src/My.php
+++ b/src/My.php
@@ -15,35 +15,13 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve;
 
 use dcCore;
+use Dotclear\Module\MyPlugin;
 
-/**
- * This module definitions.
- */
-class My
+class My extends MyPlugin
 {
-    /**
-     * This module id.
-     */
-    public static function id(): string
+    protected static function checkCustomContext(int $context): ?bool
     {
-        return basename(dirname(__DIR__));
-    }
-
-    /**
-     * This module name.
-     */
-    public static function name(): string
-    {
-        $name = dcCore::app()->plugins->moduleInfo(self::id(), 'name');
-
-        return __(is_string($name) ? $name : self::id());
-    }
-
-    /**
-     * This module path.
-     */
-    public static function path(): string
-    {
-        return dirname(__DIR__);
+        return defined('DC_CONTEXT_ADMIN')
+            && dcCore::app()->auth->isSuperAdmin();
     }
 }
diff --git a/src/Task/CssHeader.php b/src/Task/CssHeader.php
index 415a5d6..75d233f 100644
--- a/src/Task/CssHeader.php
+++ b/src/Task/CssHeader.php
@@ -182,9 +182,7 @@ class CssHeader extends Task
             $this->bloc = (string) preg_replace_callback(
                 // use \u in bloc content for first_upper_case
                 '/(\\\u([a-z]{1}))/',
-                function ($str) {
-                    return ucfirst($str[2]);
-                },
+                fn ($str) => ucfirst($str[2]),
                 str_replace(
                     $this->bloc_wildcards,
                     [
diff --git a/src/Task/PhpCsFixer.php b/src/Task/PhpCsFixer.php
index 6a1bf2e..7003ed7 100644
--- a/src/Task/PhpCsFixer.php
+++ b/src/Task/PhpCsFixer.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve\Task;
 
 use dcCore;
-use dcPage;
+use Dotclear\Core\Backend\Page;
 use Dotclear\Helper\File\Path;
 use Dotclear\Helper\Html\Form\{
     Div,
@@ -76,7 +76,7 @@ class PhpCsFixer extends Task
     {
         $this->getPhpPath();
 
-        if (null !== dcCore::app()->auth?->user_prefs) {
+        if (null !== dcCore::app()->auth->user_prefs) {
             dcCore::app()->auth->user_prefs->addWorkspace('interface');
             self::$user_ui_colorsyntax       = dcCore::app()->auth->user_prefs->get('interface')->get('colorsyntax');
             self::$user_ui_colorsyntax_theme = dcCore::app()->auth->user_prefs->get('interface')->get('colorsyntax_theme');
@@ -93,7 +93,7 @@ class PhpCsFixer extends Task
     public function header(): ?string
     {
         if (self::$user_ui_colorsyntax) {
-            return dcPage::jsLoadCodeMirror(self::$user_ui_colorsyntax_theme);
+            return Page::jsLoadCodeMirror(self::$user_ui_colorsyntax_theme);
         }
 
         return null;
@@ -127,8 +127,8 @@ class PhpCsFixer extends Task
             ]),
         ])->render() . (
             !self::$user_ui_colorsyntax ? '' :
-            dcPage::jsModuleLoad(My::id() . '/src/Task/phpcsfixer/phpcsfixer.improve.js') .
-            dcPage::jsRunCodeMirror('editor', 'file_content', 'dotclear', self::$user_ui_colorsyntax_theme)
+            My::jsLoad('/src/Task/phpcsfixer/phpcsfixer.improve.js') .
+            Page::jsRunCodeMirror('editor', 'file_content', 'dotclear', self::$user_ui_colorsyntax_theme)
         );
     }
 
diff --git a/src/Task/PhpHeader.php b/src/Task/PhpHeader.php
index f3b2ebf..3bce3c1 100644
--- a/src/Task/PhpHeader.php
+++ b/src/Task/PhpHeader.php
@@ -181,9 +181,7 @@ class PhpHeader extends Task
             $this->bloc = (string) preg_replace_callback(
                 // use \u in bloc content for first_upper_case
                 '/(\\\u([a-z]{1}))/',
-                function ($str) {
-                    return ucfirst($str[2]);
-                },
+                fn ($str) => ucfirst($str[2]),
                 str_replace(
                     $this->bloc_wildcards,
                     [
diff --git a/src/Task/PhpStan.php b/src/Task/PhpStan.php
index 5c4d812..88eb8e1 100644
--- a/src/Task/PhpStan.php
+++ b/src/Task/PhpStan.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve\Task;
 
 use dcCore;
-use dcPage;
+use Dotclear\Core\Backend\Page;
 use Dotclear\Helper\File\Path;
 use Dotclear\Helper\Html\Form\{
     Checkbox,
@@ -79,7 +79,7 @@ class PhpStan extends Task
         $ignored_vars       = $this->settings->get('ignored_vars');
         $this->ignored_vars = is_string($ignored_vars) ? $ignored_vars : '';
 
-        if (null !== dcCore::app()->auth?->user_prefs) {
+        if (null !== dcCore::app()->auth->user_prefs) {
             dcCore::app()->auth->user_prefs->addWorkspace('interface');
             self::$user_ui_colorsyntax       = dcCore::app()->auth->user_prefs->get('interface')->get('colorsyntax');
             self::$user_ui_colorsyntax_theme = dcCore::app()->auth->user_prefs->get('interface')->get('colorsyntax_theme');
@@ -96,7 +96,7 @@ class PhpStan extends Task
     public function header(): ?string
     {
         if (self::$user_ui_colorsyntax) {
-            return dcPage::jsLoadCodeMirror(self::$user_ui_colorsyntax_theme);
+            return Page::jsLoadCodeMirror(self::$user_ui_colorsyntax_theme);
         }
 
         return null;
@@ -170,8 +170,8 @@ class PhpStan extends Task
             ]),
         ])->render() . (
             !self::$user_ui_colorsyntax ? '' :
-            dcPage::jsModuleLoad(My::id() . '/src/Task/phpstan/phpstan.improve.js') .
-            dcPage::jsRunCodeMirror('editor', 'file_content', 'dotclear', self::$user_ui_colorsyntax_theme)
+            Page::jsLoad('/src/Task/phpstan/phpstan.improve.js') .
+            Page::jsRunCodeMirror('editor', 'file_content', 'dotclear', self::$user_ui_colorsyntax_theme)
         );
     }
 
diff --git a/src/Uninstall.php b/src/Uninstall.php
index eb8d7b8..a4873a0 100644
--- a/src/Uninstall.php
+++ b/src/Uninstall.php
@@ -15,21 +15,19 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\improve;
 
 use dcCore;
-use dcNsProcess;
+use Dotclear\Core\Process;
 use Dotclear\Plugin\Uninstaller\Uninstaller;
 
-class Uninstall extends dcNsProcess
+class Uninstall extends Process
 {
     public static function init(): bool
     {
-        static::$init = defined('DC_CONTEXT_ADMIN');
-
-        return static::$init;
+        return self::status(My::checkContext(My::UNINSTALL));
     }
 
     public static function process(): bool
     {
-        if (!static::$init || !dcCore::app()->plugins->moduleExists('Uninstaller')) {
+        if (!self::status() || !dcCore::app()->plugins->moduleExists('Uninstaller')) {
             return false;
         }