diff --git a/src/Backend.php b/src/Backend.php
index 54155a5..e7123af 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -10,85 +10,115 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return null;
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\dcLatestVersions;
+
+use ArrayObject;
+use dcCore;
+use dcNsProcess;
+use dcUpdate;
+use Dotclear\Helper\Html\Form\{
+    Checkbox,
+    Label,
+    Para
+};
+use Dotclear\Helper\Html\Html;
+
+class Backend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_CONTEXT_ADMIN');
+
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->addBehaviors([
+            'initWidgets'           => [Widgets::class, 'initWidgets'],
+            'adminDashboardItemsV2' => function (ArrayObject $__dashboard_items): void {
+                if (!dcCore::app()->auth->user_prefs->get('dashboard')->get('dcLatestVersionsItems')) {
+                    return;
+                }
+
+                $builds = explode(',', (string) dcCore::app()->blog->settings->get(My::id())->get('builds'));
+                if (empty($builds[0])) {
+                    return;
+                }
+
+                $li = [];
+
+                foreach ($builds as $build) {
+                    $build = strtolower(trim($build));
+                    if (empty($build)) {
+                        continue;
+                    }
+
+                    $updater = new dcUpdate(
+                        DC_UPDATE_URL,
+                        'dotclear',
+                        $build,
+                        DC_TPL_CACHE . '/versions'
+                    );
+
+                    if (false === $updater->check('0')) {
+                        continue;
+                    }
+
+                    $li[] = sprintf(
+                        '<li><a href="%1$s" title="%2$s">%3$s</a> : %4$s</li>',
+                        $updater->getFileURL(),
+                        sprintf(__('Download Dotclear %s'), $updater->getVersion()),
+                        $build,
+                        $updater->getVersion()
+                    );
+                }
+
+                if (empty($li)) {
+                    return;
+                }
+
+                # Display
+                $__dashboard_items[0][] = '<div class="box small" id="udclatestversionsitems">' .
+                '<h3>' . Html::escapeHTML(My::name()) . '</h3>' .
+                '<ul>' . implode('', $li) . '</ul>' .
+                '</div>';
+            },
+
+            'adminDashboardOptionsFormV2' => function (): void {
+                if (!dcCore::app()->auth->user_prefs->get('dashboard')->prefExists('dcLatestVersionsItems')) {
+                    dcCore::app()->auth->user_prefs->get('dashboard')->put(
+                        'dcLatestVersionsItems',
+                        false,
+                        'boolean'
+                    );
+                }
+
+                echo
+                '<div class="fieldset">' .
+                '<h4>' . Html::escapeHTML(My::name()) . '</h4>' .
+                (new Para())->items([
+                    (new Checkbox('dcLatestVersionsItems', (bool) dcCore::app()->auth->user_prefs->get('dashboard')->get('dcLatestVersionsItems')))->value(1),
+                    (new Label(__("Show Dotclear's latest versions on dashboards."), Label::OUTSIDE_LABEL_AFTER))->for('dcLatestVersionsItems')->class('classic'),
+                ])->render() .
+                '</div>';
+            },
+
+            'adminAfterDashboardOptionsUpdate' => function (?string $user_id): void {
+                dcCore::app()->auth->user_prefs->get('dashboard')->put(
+                    'dcLatestVersionsItems',
+                    !empty($_POST['dcLatestVersionsItems']),
+                    'boolean'
+                );
+            },
+        ]);
+
+        return true;
+    }
 }
-
-require __DIR__ . '/_widgets.php';
-
-dcCore::app()->addBehavior('adminDashboardItemsV2', function ($__dashboard_items) {
-    if (!dcCore::app()->auth->user_prefs->dashboard->get('dcLatestVersionsItems')) {
-        return null;
-    }
-
-    $builds = explode(',', (string) dcCore::app()->blog->settings->get(basename(__DIR__))->get('builds'));
-    if (empty($builds[0])) {
-        return null;
-    }
-
-    $li = [];
-
-    foreach ($builds as $build) {
-        $build = strtolower(trim($build));
-        if (empty($build)) {
-            continue;
-        }
-
-        $updater = new dcUpdate(
-            DC_UPDATE_URL,
-            'dotclear',
-            $build,
-            DC_TPL_CACHE . '/versions'
-        );
-
-        if (false === $updater->check('0')) {
-            continue;
-        }
-
-        $li[] = sprintf(
-            '<li><a href="%1$s" title="%2$s">%3$s</a> : %4$s</li>',
-            $updater->getFileURL(),
-            sprintf(__('Download Dotclear %s'), $updater->getVersion()),
-            $build,
-            $updater->getVersion()
-        );
-    }
-
-    if (empty($li)) {
-        return null;
-    }
-
-    # Display
-    $__dashboard_items[0][] = '<div class="box small" id="udclatestversionsitems">' .
-    '<h3>' . html::escapeHTML(__("Dotclear's latest versions")) . '</h3>' .
-    '<ul>' . implode('', $li) . '</ul>' .
-    '</div>';
-});
-
-dcCore::app()->addBehavior('adminDashboardOptionsFormV2', function () {
-    if (!dcCore::app()->auth->user_prefs->dashboard->prefExists('dcLatestVersionsItems')) {
-        dcCore::app()->auth->user_prefs->dashboard->put(
-            'dcLatestVersionsItems',
-            false,
-            'boolean'
-        );
-    }
-    $pref = dcCore::app()->auth->user_prefs->dashboard->get('dcLatestVersionsItems');
-
-    echo
-    '<div class="fieldset">' .
-    '<h4>' . __("Dotclear's latest versions") . '</h4>' .
-    '<p><label class="classic" for="dcLatestVersionsItems">' .
-    form::checkbox('dcLatestVersionsItems', 1, $pref) . ' ' .
-    __("Show Dotclear's latest versions on dashboards.") .
-    '</label></p>' .
-    '</div>';
-});
-
-dcCore::app()->addBehavior('adminAfterDashboardOptionsUpdate', function ($user_id) {
-    dcCore::app()->auth->user_prefs->dashboard->put(
-        'dcLatestVersionsItems',
-        !empty($_POST['dcLatestVersionsItems']),
-        'boolean'
-    );
-});
diff --git a/src/Frontend.php b/src/Frontend.php
index 8996bdf..10feba5 100644
--- a/src/Frontend.php
+++ b/src/Frontend.php
@@ -10,8 +10,32 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-require dirname(__FILE__) . '/_widgets.php';
+namespace Dotclear\Plugin\dcLatestVersions;
+
+use dcCore;
+use dcNsProcess;
+
+class Frontend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_RC_PATH');
+
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->addBehaviors([
+            'initWidgets' => [Widgets::class, 'initWidgets'],
+        ]);
+
+        return true;
+    }
+}
diff --git a/src/Install.php b/src/Install.php
index 909c050..6580f57 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -10,43 +10,38 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return null;
-}
+declare(strict_types=1);
 
-# -- Module specs --
-$mod_conf = [[
-    'builds',
-    "List of Dotclear's builds",
-    'stable,unstable,testing,sexy',
-    'string',
-]];
+namespace Dotclear\Plugin\dcLatestVersions;
 
-# -- Nothing to change below --
-try {
-    # Check module version
-    if (!dcCore::app()->newVersion(
-        basename(__DIR__),
-        dcCore::app()->plugins->moduleInfo(basename(__DIR__), 'version')
-    )) {
-        return null;
+use dcCore;
+use dcNsProcess;
+
+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;
     }
-    # Set module settings
-    dcCore::app()->blog->settings->addNamespace(basename(__DIR__));
-    foreach ($mod_conf as $v) {
-        dcCore::app()->blog->settings->__get(basename(__DIR__))->put(
-            $v[0],
-            $v[2],
-            $v[3],
-            $v[1],
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->blog->settings->get(My::id())->put(
+            'builds',
+            'stable,unstable,testing',
+            'string',
+            "List of Dotclear's builds",
             false,
             true
         );
+
+        return true;
     }
-
-    return true;
-} catch (Exception $e) {
-    dcCore::app()->error->add($e->getMessage());
-
-    return false;
 }
diff --git a/src/My.php b/src/My.php
new file mode 100644
index 0000000..6f342a3
--- /dev/null
+++ b/src/My.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * @brief dcLatestVersions, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis, Pierre Van Glabeke
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\dcLatestVersions;
+
+use dcCore;
+
+/**
+ * Plugin definitions
+ */
+class My
+{
+    /**
+     * This module id
+     */
+    public static function id(): string
+    {
+        return basename(dirname(__DIR__));
+    }
+
+    /**
+     * This module name
+     */
+    public static function name(): string
+    {
+        return __((string) dcCore::app()->plugins->moduleInfo(self::id(), 'name'));
+    }
+}
diff --git a/src/Widgets.php b/src/Widgets.php
index 7d672aa..3438273 100644
--- a/src/Widgets.php
+++ b/src/Widgets.php
@@ -10,36 +10,30 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-dcCore::app()->blog->settings->addNamespace(basename(__DIR__));
+namespace Dotclear\Plugin\dcLatestVersions;
 
-dcCore::app()->addBehavior(
-    'initWidgets',
-    ['dcLatestVersionsWidget', 'adminWidget']
-);
+use dcCore;
+use dcUpdate;
+use Dotclear\Helper\Html\Html;
+use Dotclear\Plugin\widgets\WidgetsStack;
+use Dotclear\Plugin\widgets\WidgetsElement;
 
-/**
- * @ingroup DC_PLUGIN_DCLATESTVERSIONS
- * @brief Display latest versions of Dotclear - widget methods.
- * @since 2.6
- */
-class dcLatestVersionsWidget
+class Widgets
 {
-    public static function adminWidget($w)
+    public static function initWidgets(WidgetsStack $w): void
     {
         $w
             ->create(
                 'dclatestversionswidget',
-                __("Dotclear's latest versions"),
-                ['dcLatestVersionsWidget','publicWidget'],
+                My::name(),
+                [self::class, 'parseWidget'],
                 null,
                 __('Show the latest available versions of Dotclear')
             )
             ->addTitle(
-                __("Dotclear's latest versions")
+                My::name()
             )
             ->setting(
                 'text',
@@ -53,20 +47,16 @@ class dcLatestVersionsWidget
             ->addOffline();
     }
 
-    public static function publicWidget($w)
+    public static function parseWidget(WidgetsElement $w): string
     {
-        if ($w->offline) {
-            return null;
-        }
-
-        if (!$w->checkHomeOnly(dcCore::app()->url->type) || $w->text == '') {
-            return null;
+        if ($w->offline || !$w->checkHomeOnly(dcCore::app()->url->type) || $w->text == '') {
+            return '';
         }
 
         # Builds to check
-        $builds = explode(',', (string) dcCore::app()->blog->settings->get(basename(__DIR__))->get('builds'));
+        $builds = explode(',', (string) dcCore::app()->blog->settings->get(My::id())->get('builds'));
         if (empty($builds[0])) {
-            return null;
+            return '';
         }
 
         $li = [];
@@ -103,15 +93,15 @@ class dcLatestVersionsWidget
         }
 
         if (empty($li)) {
-            return null;
+            return '';
         }
 
         # Display
         return $w->renderDiv(
-            $w->content_only,
+            (bool) $w->content_only,
             'dclatestversionswidget ' . $w->class,
             '',
-            ($w->title ? $w->renderTitle(html::escapeHTML($w->title)) : '') . sprintf('<ul>%s</ul>', implode('', $li))
+            ($w->title ? $w->renderTitle(Html::escapeHTML($w->title)) : '') . sprintf('<ul>%s</ul>', implode('', $li))
         );
     }
 }