diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ff9f53..cf96881 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ dev
 - [ ] add module to check directory structure
 - [ ] write documentation of php class
 
+0.5 - 2021.11.05
+- add settings to disable (hide) modules
+- fix dcstore xml rendering (thanks Franck Paul)
+
 0.4 - 2021.11.02
 - add module to use php-cs-fixer
 
diff --git a/_config.php b/_config.php
new file mode 100644
index 0000000..e7a13a9
--- /dev/null
+++ b/_config.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * @brief improve, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis and contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+if (!defined('DC_CONTEXT_ADMIN')) {
+    return;
+}
+
+# Check user perms
+dcPage::checkSuper();
+
+$improve = new Improve($core);
+
+$combo_actions = [];
+foreach ($improve->modules() as $action) {
+    $combo_actions[$action->name] = $action->id;
+}
+$disabled = $improve->disabled();
+if (!empty($disabled)) {
+    $combo_actions = array_merge($combo_actions, array_flip($disabled));
+}
+
+if (!empty($_POST['save'])) {
+    try {
+        $pdisabled = '';
+        if (!empty($_POST['disabled'])) {
+            $pdisabled = implode(';', $_POST['disabled']);
+        }
+        $core->blog->settings->improve->put('disabled', $pdisabled);
+        dcPage::addSuccessNotice(__('Configuration successfully updated.'));
+
+        $core->adminurl->redirect(
+            'admin.plugins',
+            ['module' => 'improve', 'conf' => 1, 'chk' => 1, 'redir' => $list->getRedir()]
+        );
+    } catch (Exception $e) {
+        $core->error->add($e->getMessage());
+    }
+}
+
+echo '<div class="fieldset"><h4>' . __('List of disabled actions:') . '</h4>';
+
+foreach ($combo_actions as $name => $id) {
+    echo
+    '<p><label class="classic" title="' . $id . '">' .
+    form::checkbox(['disabled[]'], $id, ['checked' => isset($disabled[$id])]) .
+    __($name) . '</label></p>';
+}
+echo '</div>';
diff --git a/_install.php b/_install.php
new file mode 100644
index 0000000..8951d3b
--- /dev/null
+++ b/_install.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * @brief improve, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis and contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+if (!defined('DC_CONTEXT_ADMIN')) {
+    return null;
+}
+
+# -- Module specs --
+
+$dc_min   = '2.19';
+$mod_id   = 'improve';
+$mod_conf = [
+    [
+        'disabled',
+        'List of hidden action modules',
+        'tab;newline;endoffile',
+        'string'
+    ]
+];
+
+# -- Nothing to change below --
+
+try {
+
+    # Check module version
+    if (version_compare(
+        $core->getVersion($mod_id),
+        $core->plugins->moduleInfo($mod_id, 'version'),
+        '>='
+    )) {
+        return null;
+    }
+
+    # Check Dotclear version
+    if (!method_exists('dcUtils', 'versionsCompare')
+     || dcUtils::versionsCompare(DC_VERSION, $dc_min, '<', false)) {
+        throw new Exception(sprintf(
+            '%s requires Dotclear %s',
+            $mod_id,
+            $dc_min
+        ));
+    }
+
+    # Set module settings
+    $core->blog->settings->addNamespace($mod_id);
+    foreach ($mod_conf as $v) {
+        $core->blog->settings->{$mod_id}->put(
+            $v[0],
+            $v[2],
+            $v[3],
+            $v[1],
+            false,
+            true
+        );
+    }
+
+    # Set module version
+    $core->setVersion(
+        $mod_id,
+        $core->plugins->moduleInfo($mod_id, 'version')
+    );
+
+    return true;
+} catch (Exception $e) {
+    $core->error->add($e->getMessage());
+
+    return false;
+}
diff --git a/_uninstall.php b/_uninstall.php
new file mode 100644
index 0000000..979f815
--- /dev/null
+++ b/_uninstall.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * @brief improve, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Jean-Christian Denis and contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+if (!defined('DC_CONTEXT_ADMIN')) {
+    return null;
+}
+
+$mod_id = 'improve';
+
+$this->addUserAction(
+    /* type */
+    'settings',
+    /* action */
+    'delete_all',
+    /* ns */
+    $mod_id,
+    /* desc */
+    __('delete all settings')
+);
+
+$this->addUserAction(
+    /* type */
+    'plugins',
+    /* action */
+    'delete',
+    /* ns */
+    $mod_id,
+    /* desc */
+    __('delete plugin files')
+);
+
+$this->addUserAction(
+    /* type */
+    'versions',
+    /* action */
+    'delete',
+    /* ns */
+    $mod_id,
+    /* desc */
+    __('delete the version number')
+);
+
+$this->addDirectAction(
+    /* type */
+    'settings',
+    /* action */
+    'delete_all',
+    /* ns */
+    $mod_id,
+    /* desc */
+    sprintf(__('delete all %s settings'), $mod_id)
+);
+
+$this->addDirectAction(
+    /* type */
+    'plugins',
+    /* action */
+    'delete',
+    /* ns */
+    $mod_id,
+    /* desc */
+    sprintf(__('delete %s plugin files'), $mod_id)
+);
+
+$this->addDirectAction(
+    /* type */
+    'versions',
+    /* action */
+    'delete',
+    /* ns */
+    $mod_id,
+    /* desc */
+    sprintf(__('delete %s version number'), $mod_id)
+);
diff --git a/inc/class.improve.php b/inc/class.improve.php
index c608ce5..27fbff5 100644
--- a/inc/class.improve.php
+++ b/inc/class.improve.php
@@ -19,22 +19,28 @@ class Improve
         'php', 'xml', 'js', 'css', 'csv', 'html', 'htm', 'txt', 'md'
     ];
     private $core;
-    private $actions = [];
-    private $logs    = [];
-    private $has_log = ['success' => false, 'warning' => false, 'error' => false];
+    private $actions  = [];
+    private $disabled = [];
+    private $logs     = [];
+    private $has_log  = ['success' => false, 'warning' => false, 'error' => false];
 
     public function __construct(dcCore $core)
     {
         $this->core = &$core;
         $core->blog->settings->addNamespace('improve');
-        $list = new arrayObject();
+        $disabled = explode(';', (string) $core->blog->settings->improve->disabled);
+        $list     = new arrayObject();
 
         try {
             $this->core->callBehavior('improveAddAction', $list, $this->core);
 
             foreach ($list as $action) {
                 if ($action instanceof ImproveAction && !isset($this->actions[$action->id])) {
-                    $this->actions[$action->id] = $action;
+                    if (in_array($action->id, $disabled)) {
+                        $this->disabled[$action->id] = $action->name;
+                    } else {
+                        $this->actions[$action->id] = $action;
+                    }
                 }
             }
         } catch (Exception $e) {
@@ -129,6 +135,11 @@ class Improve
         return $this->actions[$id] ?? null;
     }
 
+    public function disabled(): array
+    {
+        return $this->disabled;
+    }
+
     public function fixModule(string $type, string $id, array $properties, array $actions): float
     {
         $time_start = microtime(true);