This release includes Dynamic Remarketing tag integration for AdWords and GTM.
<script>
dataLayer.push({
'ecomm_prodid':'[<product_id1>,<product_id2>]',
'ecomm_pagetype':'<page_type>',
'ecomm_totalvalue':<total_value>
});
</script>
See GTM's own AdWords dynamic remarketing documentation for usage details.