--- a/program/lib/Roundcube/rcube_plugin_api.php	Tue Oct 07 11:20:40 2025 -0400
+++ b/program/lib/Roundcube/rcube_plugin_api.php	Wed Oct 08 08:50:44 2025 -0400
@@ -212,7 +212,7 @@
 
         if ($plugin = $this->plugins[$plugin_name]) {
             // init a plugin only if $force is set or if we're called after initialization
-            if (($force || $this->initialized) && !$this->plugins_initialized[$plugin_name] && ($force || !$this->filter($plugin))) {
+	  if (($force || $this->initialized) && empty($this->plugins_initialized[$plugin_name]) && ($force || empty($this->filter($plugin)))) {
                 $plugin->init();
                 $this->plugins_initialized[$plugin_name] = $plugin;
             }
@@ -571,7 +571,7 @@
      */
     public function is_plugin_task($task)
     {
-        return $this->tasks[$task] ? true : false;
+      return ($this->tasks[$task]??null) ? true : false;
     }
 
     /**
@@ -654,7 +654,7 @@
     protected function template_container_hook($attrib)
     {
         $container = $attrib['name'];
-        return array('content' => $attrib['content'] . $this->template_contents[$container]);
+        return array('content' => ($attrib['content']??'') . $this->template_contents[$container]);
     }
 
     /**