diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20ef90b..159ac48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+2.0 - 2023.04.11
+* require Dotclear 2.26
+* use namespace
+* add behavior to register models
+* move settings names (lost previously saved)
+* move models (lost previously saved)
+
 1.6 - 2022.12.14
 * Update to dotclear 2.24
 
diff --git a/README.md b/README.md
index f8aea30..5301266 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Release](https://img.shields.io/github/v/release/JcDenis/arlequin)](https://github.com/JcDenis/arlequin/releases)
 [![Date](https://img.shields.io/github/release-date/JcDenis/arlequin)](https://github.com/JcDenis/arlequin/releases)
 [![Issues](https://img.shields.io/github/issues/JcDenis/arlequin)](https://github.com/JcDenis/arlequin/issues)
-[![Dotclear](https://img.shields.io/badge/dotclear-v2.24-blue.svg)](https://fr.dotclear.org/download)
+[![Dotclear](https://img.shields.io/badge/dotclear-v2.26-blue.svg)](https://fr.dotclear.org/download)
 [![Dotaddict](https://img.shields.io/badge/dotaddict-official-green.svg)](https://plugins.dotaddict.org/dc2/details/arlequin)
 [![License](https://img.shields.io/github/license/JcDenis/arlequin)](https://github.com/JcDenis/arlequin/blob/master/LICENSE)
 
@@ -19,7 +19,7 @@ It allows visitors to select a theme on your blog.
  _arlequin_ requires: 
 
   * content admin permissions to manage theme and public menu
-  * Dotclear 2.24
+  * Dotclear 2.26
 
 ## USAGE
 
diff --git a/_define.php b/_define.php
index 6033e91..dc6ef0f 100644
--- a/_define.php
+++ b/_define.php
@@ -7,7 +7,7 @@
  *
  * @author Oleksandr Syenchuk, Pierre Van Glabeke and contributors
  *
- * @copyright Jean-Crhistian Denis
+ * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
 if (!defined('DC_RC_PATH')) {
@@ -18,9 +18,9 @@ $this->registerModule(
     'Arlequin',
     'Allows visitors choose a theme',
     'Oleksandr Syenchuk, Pierre Van Glabeke and contributors',
-    '1.6',
+    '2.0',
     [
-        'requires'    => [['core', '2.24']],
+        'requires'    => [['core', '2.26']],
         'permissions' => dcCore::app()->auth->makePermissions([
             dcAuth::PERMISSION_CONTENT_ADMIN,
         ]),
diff --git a/dcstore.xml b/dcstore.xml
index 252e491..095b8e2 100644
--- a/dcstore.xml
+++ b/dcstore.xml
@@ -2,11 +2,11 @@
 <modules xmlns:da="http://dotaddict.org/da/">
   <module id="arlequin">
     <name>Arlequin</name>
-    <version>1.6</version>
+    <version>2.0</version>
     <author>Oleksandr Syenchuk, Pierre Van Glabeke and contributors</author>
     <desc>Allows visitors choose a theme</desc>
-    <file>https://github.com/JcDenis/arlequin/releases/download/v1.6/plugin-arlequin.zip</file>
-    <da:dcmin>2.24</da:dcmin>
+    <file>https://github.com/JcDenis/arlequin/releases/download/v2.0/plugin-arlequin.zip</file>
+    <da:dcmin>2.26</da:dcmin>
     <da:details>https://plugins.dotaddict.org/dc2/details/arlequin</da:details>
     <da:support>http://forum.dotclear.org/viewtopic.php?id=48345</da:support>
   </module>
diff --git a/locales/fr/main.lang.php b/locales/fr/main.lang.php
new file mode 100644
index 0000000..7b5d3c4
--- /dev/null
+++ b/locales/fr/main.lang.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * @package Dotclear
+ *
+ * @copyright Olivier Meunier & Association Dotclear
+ * @copyright GPL-2.0-only
+ */
+#
+# DOT NOT MODIFY THIS FILE !
+#
+
+use Dotclear\Helper\L10n;
+
+L10n::$locales['Theme switcher']                                                   = 'Sélecteur de thème';
+L10n::$locales['Choose a theme']                                                   = 'Choisissez un thème';
+L10n::$locales['Model name']                                                       = 'Nom du modèle';
+L10n::$locales['Bullets list']                                                     = 'Liste à puces';
+L10n::$locales['Scrolled list']                                                    = 'Liste déroulante';
+L10n::$locales['active theme']                                                     = 'thème actif';
+L10n::$locales['Settings have been reinitialized.']                                = 'Les paramètres ont été réinitialisés.';
+L10n::$locales['System settings have been updated.']                               = 'Les paramètres on tété mis à jour.';
+L10n::$locales['Predefined models']                                                = 'Modèles prédéfinis';
+L10n::$locales['Select a model']                                                   = 'Sélectionnez un modèle';
+L10n::$locales['Switcher display format']                                          = 'Format d\'affichage du sélecteur';
+L10n::$locales['Switcher HTML code:']                                              = 'Code HTML du sélecteur :';
+L10n::$locales['Item HTML code:']                                                  = 'Code HTML d\'un item :';
+L10n::$locales['Active item HTML code:']                                           = 'Code HTML d\'un item actif :';
+L10n::$locales['Excluded themes (separated by slashs \'/\'):']                     = 'Thèmes exclus (séparés par des slashs "/") :';
+L10n::$locales['The names to be taken into account are those of the theme files.'] = 'Les noms à prendre en compte sont ceux des dossiers de thème.';
+L10n::$locales['Restore defaults']                                                 = 'Réinitialiser les paramètres';
+L10n::$locales['Arlequin - theme switcher configuration']                          = 'Arlequin - configuration du sélecteur de thème';
+L10n::$locales['Allows visitors choose a theme']                                   = 'Permettre aux visiteurs de choisir un thème';