You are correct. Till next version you can use this demo widget from AddThis

<!-- AddThis Smart Layers BEGIN --> <!-- Go to http://www.addthis.com/get/smart-layers to customize --> <script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-527a0e4521b66032"></script> <script type="text/javascript"> addthis.layers({ 'theme' : 'transparent', 'share' : { 'position' : 'left', 'numPreferredServices' : 5 }, 'whatsnext' : {}, 'recommended' : {} }); </script> <!-- AddThis Smart Layers END -->