FIX Forms run through FormHandler rather than Controllers now have access to current Request

src/Forms/FormRequestHandler.php

@@ -228,6 +228,7 @@ class FormRequestHandler extends RequestHandler
             // First, try a handler method on the controller (has been checked for allowed_actions above already)
             $controller = $this->form->getController();
             if ($controller && $controller->hasMethod($funcName)) {
+                $controller->setRequest($request);
                 return $controller->$funcName($vars, $this->form, $request, $this);
             }