minhtam72

Thank you, cbarnett!

Sorry, I took it wrong, the problem is not with qTranslate but with qTranslate extension. WordPress 3.5 does not use .live(‘click’… to handle the Save button click event, it use .bind(‘click.widgets-toggle’,… instead, that makes the old function of qTranslate extension processed after the old content has been submitted. Here is my fix:
Edit qtranslate-extended.php:
Replace line 202 to 210 with these lines:

jQuery(document.body).bind('click.widgets-toggle', function(e){
     var target = jQuery(e.target);
     if ( target.hasClass('widget-control-save') ) {
          var form = target.parents('form:first');
          if(form.hasClass('multilanguage-form')){
               prepareMultilanguageData(form);
               setTimeout(function(){
                    generateMultilanguageElements(form.parent());
               },2500);
          }
          e.preventDefault();
     }
});