This members-only tutorial provides the steps to filter the products output by Oxygen's Repeater to only those that have been set as cross-sells of the current WooCommerce product being viewed.
We shall
register a custom function for use with Dynamic Data condition to conditionally output the cross-sells section only if the product has at least 1 cross-sell.
use pre_get_posts in a Code Block above the Repeater for altering the Repeater's query to limit it to only cross-sells of the current product.