Chouby on "[Plugin: Polylang] Menus don't switch between languages"

@n1mh

Can you try to comment those 2 lines in frontend/choose-lang.php line 29 ?

if (PLL_AJAX_ON_FRONT || false === stripos($_SERVER['SCRIPT_NAME'], 'index.php'))
	$this->set_language(empty($_REQUEST['lang']) ? $this->get_preferred_language() : $this->model->get_language($_REQUEST['lang']));