diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4fccc6..ba2b868 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+2023.07.29
+- require Dotclear 2.27
+- require php 8.1+
+- update to Dotclear 2.27-dev
+
 2023.05.29
 - require dotclear 2.26
 - require php 8.1+
diff --git a/README.md b/README.md
index 3bc3d97..b023745 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Release](https://img.shields.io/github/v/release/JcDenis/pacKman)](https://github.com/JcDenis/pacKman/releases)
 [![Date](https://img.shields.io/github/release-date/JcDenis/pacKman)](https://github.com/JcDenis/pacKman/releases)
 [![Issues](https://img.shields.io/github/issues/JcDenis/pacKman)](https://github.com/JcDenis/pacKman/issues)
-[![Dotclear](https://img.shields.io/badge/dotclear-v2.26-blue.svg)](https://fr.dotclear.org/download)
+[![Dotclear](https://img.shields.io/badge/dotclear-v2.27-blue.svg)](https://fr.dotclear.org/download)
 [![Dotaddict](https://img.shields.io/badge/dotaddict-official-green.svg)](https://plugins.dotaddict.org/dc2/details/pacKman)
 [![License](https://img.shields.io/github/license/JcDenis/pacKman)](https://github.com/JcDenis/pacKman/blob/master/LICENSE)
 
@@ -20,7 +20,7 @@ themes and plugins from Dotclear administration pages.
  pacKman requires: 
 
   * Super administrator permissions
-  * Dotclear 2.26
+  * Dotclear 2.27
   * PHP 8.1+
   * A writable cache directory 
   * A writable directory to put packages. (can be VAR dir)
diff --git a/_define.php b/_define.php
index 6015d71..db8cd5e 100644
--- a/_define.php
+++ b/_define.php
@@ -20,11 +20,11 @@ $this->registerModule(
     'Packages repository',
     'Manage your Dotclear packages',
     'Jean-Christian Denis',
-    '2023.05.29',
+    '2023.07.29',
     [
         'requires' => [
             ['php', '8.1'],
-            ['core', '2.26'],
+            ['core', '2.27'],
         ],
         'permissions' => null,
         'type'        => 'plugin',
diff --git a/dcstore.xml b/dcstore.xml
index 31beb41..a0f428a 100644
--- a/dcstore.xml
+++ b/dcstore.xml
@@ -2,11 +2,11 @@
 <modules xmlns:da="http://dotaddict.org/da/">
   <module id="pacKman">
     <name>Packages repository</name>
-    <version>2023.05.29</version>
+    <version>2023.07.29</version>
     <author>Jean-Christian Denis</author>
     <desc>Manage your Dotclear packages</desc>
-    <file>https://github.com/JcDenis/pacKman/releases/download/v2023.05.29/plugin-pacKman.zip</file>
-    <da:dcmin>2.26</da:dcmin>
+    <file>https://github.com/JcDenis/pacKman/releases/download/v2023.07.29/plugin-pacKman.zip</file>
+    <da:dcmin>2.27</da:dcmin>
     <da:details>https://plugins.dotaddict.org/dc2/details/pacKman</da:details>
     <da:support>https://github.com/JcDenis/pacKman</da:support>
   </module>
diff --git a/src/Backend.php b/src/Backend.php
index 2dcf16d..90561ff 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -14,46 +14,35 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\pacKman;
 
-use dcAdmin;
 use dcCore;
-use dcFavorites;
-use dcPage;
-use dcNsProcess;
+use Dotclear\Core\Process;
+use Dotclear\Core\Backend\Favorites;
 
-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;
         }
 
-        dcCore::app()->addBehavior('adminDashboardFavoritesV2', function (dcFavorites $favs): void {
+        My::addBackendMenuItem();
+
+        dcCore::app()->addBehavior('adminDashboardFavoritesV2', function (Favorites $favs): void {
             $favs->register(My::id(), [
                 'title'      => My::name(),
-                'url'        => dcCore::app()->adminurl?->get('admin.plugin.' . My::id(), [], '#packman-repository-repository'),
-                'small-icon' => [dcPage::getPF(My::id() . '/icon.svg'), dcPage::getPF(My::id() . '/icon-dark.svg')],
-                'large-icon' => [dcPage::getPF(My::id() . '/icon.svg'), dcPage::getPF(My::id() . '/icon-dark.svg')],
+                'url'        => My::manageUrl(),
+                'small-icon' => My::icons(),
+                'large-icon' => My::icons(),
                 //'permissions' => dcCore::app()->auth->isSuperAdmin(),
             ]);
         });
 
-        dcCore::app()->menu[dcAdmin::MENU_PLUGINS]->addItem(
-            My::name(),
-            dcCore::app()->adminurl?->get('admin.plugin.' . My::id()) . '#packman-repository-repository',
-            [dcPage::getPF(My::id() . '/icon.svg'), dcPage::getPF(My::id() . '/icon-dark.svg')],
-            preg_match('/' . preg_quote((string) dcCore::app()->adminurl?->get('admin.plugin.' . My::id())) . '(&.*)?$/', $_SERVER['REQUEST_URI']),
-            dcCore::app()->auth?->isSuperAdmin()
-        );
-
         return true;
     }
 }
diff --git a/src/Config.php b/src/Config.php
index 56c156a..2fb7f51 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -15,8 +15,8 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\pacKman;
 
 use dcCore;
-use dcPage;
-use dcNsProcess;
+use Dotclear\Core\Process;
+use Dotclear\Core\Backend\Notices;
 use Dotclear\Helper\Html\Form\{
     Checkbox,
     Div,
@@ -30,19 +30,16 @@ use Dotclear\Helper\Html\Form\{
 };
 use Exception;
 
-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;
         }
 
@@ -62,10 +59,10 @@ class Config extends dcNsProcess
                 }
             }
 
-            dcPage::addSuccessNotice(
+            Notices::addSuccessNotice(
                 __('Configuration has been successfully updated.')
             );
-            dcCore::app()->adminurl?->redirect('admin.plugins', [
+            dcCore::app()->admin->url->redirect('admin.plugins', [
                 'module' => My::id(),
                 'conf'   => '1',
                 'redir'  => dcCore::app()->admin->__get('list')->getRedir(),
@@ -79,7 +76,7 @@ class Config extends dcNsProcess
 
     public static function render(): void
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return;
         }
 
diff --git a/src/Install.php b/src/Install.php
index 68ea6a5..f7c2d75 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -16,22 +16,19 @@ namespace Dotclear\Plugin\pacKman;
 
 use dcCore;
 use dcNamespace;
-use dcNsProcess;
+use Dotclear\Core\Process;
 use Exception;
 
-class Install extends dcNsProcess
+class Install extends Process
 {
     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;
         }
 
diff --git a/src/Manage.php b/src/Manage.php
index d5cfad2..2d2f529 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -16,9 +16,12 @@ namespace Dotclear\Plugin\pacKman;
 
 /* dotclear ns */
 use dcCore;
-use dcPage;
 use dcThemes;
-use dcNsProcess;
+use Dotclear\Core\Process;
+use Dotclear\Core\Backend\{
+    Notices,
+    Page
+};
 use Dotclear\Helper\File\Files;
 use Dotclear\Helper\Html\Form\{
     Div,
@@ -27,19 +30,16 @@ use Dotclear\Helper\Html\Form\{
 use Dotclear\Helper\Network\Http;
 use Exception;
 
-class Manage extends dcNsProcess
+class Manage 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::MANAGE));
     }
 
     public static function process(): bool
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return false;
         }
 
@@ -104,14 +104,14 @@ class Manage extends dcNsProcess
                 Http::head(404, 'Not Found');
                 exit;
             } elseif (!empty($action) && !$is_editable) {
-                dcPage::addErrorNotice(
+                Notices::addErrorNotice(
                     __('No modules selected.')
                 );
 
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-' . $type);
+                    My::redirect([], '#packman-' . $type);
                 }
 
             # Pack
@@ -140,14 +140,14 @@ class Manage extends dcNsProcess
                     dcCore::app()->callBehavior('packmanAfterCreatePackage', $module->dump());
                 }
 
-                dcPage::addSuccessNotice(
+                Notices::addSuccessNotice(
                     __('Package successfully created.')
                 );
 
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-' . $type);
+                    My::redirect([], '#packman-' . $type);
                 }
 
             # Delete
@@ -155,7 +155,7 @@ class Manage extends dcNsProcess
                 $del_success = false;
                 foreach ($_POST['modules'] as $root => $id) {
                     if (!file_exists($root) || !Files::isDeletable($root)) {
-                        dcPage::addWarningNotice(sprintf(__('Undeletable file "%s"', $root)));
+                        Notices::addWarningNotice(sprintf(__('Undeletable file "%s"', $root)));
                     } else {
                         $del_success = true;
                     }
@@ -164,7 +164,7 @@ class Manage extends dcNsProcess
                 }
 
                 if ($del_success) {
-                    dcPage::addSuccessNotice(
+                    Notices::addSuccessNotice(
                         __('Package successfully deleted.')
                     );
                 }
@@ -172,7 +172,7 @@ class Manage extends dcNsProcess
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-repository-' . $type);
+                    My::redirect([], '#packman-repository-' . $type);
                 }
 
             # Install
@@ -192,14 +192,14 @@ class Manage extends dcNsProcess
                     dcCore::app()->callBehavior('packmanAfterInstallPackage', $type, $id, $root);
                 }
 
-                dcPage::addSuccessNotice(
+                Notices::addSuccessNotice(
                     __('Package successfully installed.')
                 );
 
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-repository-' . $type);
+                    My::redirect([], '#packman-repository-' . $type);
                 }
 
             # Copy
@@ -218,14 +218,14 @@ class Manage extends dcNsProcess
                     );
                 }
 
-                dcPage::addSuccessNotice(
+                Notices::addSuccessNotice(
                     __('Package successfully copied.')
                 );
 
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-repository-' . $type);
+                    My::redirect([], '#packman-repository-' . $type);
                 }
 
             # Move
@@ -245,14 +245,14 @@ class Manage extends dcNsProcess
                     unlink($root);
                 }
 
-                dcPage::addSuccessNotice(
+                Notices::addSuccessNotice(
                     __('Package successfully moved.')
                 );
 
                 if (!empty($_POST['redir'])) {
                     Http::redirect($_POST['redir']);
                 } else {
-                    dcCore::app()->adminurl?->redirect('admin.plugin.' . My::id(), [], '#packman-repository-' . $type);
+                    My::redirect([], '#packman-repository-' . $type);
                 }
             }
         } catch (Exception $e) {
@@ -264,7 +264,7 @@ class Manage extends dcNsProcess
 
     public static function render(): void
     {
-        if (!static::$init) {
+        if (!self::status()) {
             return;
         }
 
@@ -295,21 +295,21 @@ class Manage extends dcNsProcess
         }
 
         # Display
-        dcPage::openModule(
+        Page::openModule(
             My::name(),
-            dcPage::jsPageTabs() .
-            dcPage::jsModuleLoad(My::id() . '/js/backend.js') .
+            Page::jsPageTabs() .
+            My::jsLoad('backend') .
 
             # --BEHAVIOR-- packmanAdminHeader
             dcCore::app()->callBehavior('packmanAdminHeader')
         );
 
         echo
-        dcPage::breadcrumb([
+        Page::breadcrumb([
             __('Plugins') => '',
             My::name()    => '',
         ]) .
-        dcPage::notices();
+        Notices::GetNotices();
 
         if (dcCore::app()->error->flag() || !$is_configured || !$is_plugins_configured || !$is_themes_configured) {
             echo
@@ -377,7 +377,7 @@ class Manage extends dcNsProcess
         # --BEHAVIOR-- packmanAdminTabs
         dcCore::app()->callBehavior('packmanAdminTabs');
 
-        dcPage::helpBlock('pacKman');
-        dcPage::closeModule();
+        Page::helpBlock('pacKman');
+        Page::closeModule();
     }
 }
diff --git a/src/My.php b/src/My.php
index 7cf1013..cbf14ea 100644
--- a/src/My.php
+++ b/src/My.php
@@ -15,11 +15,12 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\pacKman;
 
 use dcCore;
+use Dotclear\Module\MyPlugin;
 
 /**
  * This module definitions.
  */
-class My
+class My extends MyPlugin
 {
     /** @var    array   Excluded files */
     public const EXCLUDED_FILES = [
@@ -35,29 +36,8 @@ class My
         '_disabled',
     ];
 
-    /**
-     * This module id.
-     */
-    public static function id(): string
+    public 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 dcCore::app()->auth->isSuperAdmin();
     }
 }
diff --git a/src/Settings.php b/src/Settings.php
index 5d1808d..f90b61a 100644
--- a/src/Settings.php
+++ b/src/Settings.php
@@ -14,8 +14,6 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\pacKman;
 
-use dcCore;
-
 class Settings
 {
     // Remove comments from files
@@ -50,7 +48,7 @@ class Settings
      */
     public function __construct()
     {
-        $s = dcCore::app()->blog?->settings->get(My::id());
+        $s = My::settings();
 
         $this->pack_nocomment      = (bool) ($s?->get('pack_nocomment') ?? false);
         $this->pack_fixnewline     = (bool) ($s?->get('pack_fixnewline') ?? false);
@@ -79,8 +77,8 @@ class Settings
     public function writeSetting(string $key, mixed $value): bool
     {
         if (property_exists($this, $key) && settype($value, gettype($this->{$key})) === true) {
-            dcCore::app()->blog?->settings->get(My::id())->drop($key);
-            dcCore::app()->blog?->settings->get(My::id())->put($key, $value, gettype($this->{$key}), '', true, true);
+            My::settings()->drop($key);
+            My::settings()->put($key, $value, gettype($this->{$key}), '', true, true);
 
             return true;
         }
diff --git a/src/Uninstall.php b/src/Uninstall.php
index 69b8ba0..6c28a10 100644
--- a/src/Uninstall.php
+++ b/src/Uninstall.php
@@ -15,21 +15,19 @@ declare(strict_types=1);
 namespace Dotclear\Plugin\pacKman;
 
 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;
         }
 
diff --git a/src/Utils.php b/src/Utils.php
index bc2cc3e..1a9153e 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -140,7 +140,7 @@ class Utils
                 (new Text('h3', $title)),
                 (new Form('packman-form-' . $type))
                     ->method('post')
-                    ->action('plugin.php')
+                    ->action(My::manageUrl())
                     ->fields([
                         (new Para(null, 'table'))
                             ->class('clear')
@@ -163,13 +163,13 @@ class Utils
                             ->class('checkboxes-helpers'),
                         (new Para())
                             ->items([
-                                (new Hidden(['redir'], Html::escapeHTML($_REQUEST['redir'] ?? ''))),
-                                (new Hidden(['p'], My::id())),
-                                (new Hidden(['type'], $type)),
-                                (new Hidden(['action'], 'packup')),
                                 (new Submit(['packup']))
                                     ->value(__('Pack up selected modules')),
-                                dcCore::app()->formNonce(false),
+                                ... My::hiddenFields([
+                                    'type' => $type,
+                                    'action' => 'packup',
+                                    'redir' => Html::escapeHTML($_REQUEST['redir'] ?? ''),
+                                ]),
                             ]),
                     ]),
             ])
@@ -279,7 +279,7 @@ class Utils
                 (new Text('h3', $title)),
                 (new Form('packman-form-repository-' . $type))
                     ->method('post')
-                    ->action('plugin.php')
+                    ->action(My::manageUrl())
                     ->fields([
                         (new Para(null, 'table'))
                             ->class('clear')
@@ -311,10 +311,10 @@ class Utils
                                     ->items($combo_action),
                                 (new Submit(['packup']))
                                     ->value(__('ok')),
-                                (new Hidden(['p'], My::id())),
-                                (new Hidden(['tab'], 'repository')),
-                                (new Hidden(['type'], $type)),
-                                dcCore::app()->formNonce(false),
+                                ... My::hiddenFields([
+                                    'tab' => 'repository',
+                                    'type' => $type,
+                                ]),
                             ]),
                     ]),
             ])