Support for Drupal 7 is ending on 5 January 2025—it’s time to migrate to Drupal 10! Learn about the many benefits of Drupal 10 and find migration tools in our resource center.
After installing this module and setting up Facebook comments on a few node types, I found that occasionally I was prompted to download xd_arbiter.php from static.ak.facebook.com after the site's front page loaded. Disabling the plugin makes it stop. I'll probably uninstall and use the 2.x version of the module, since I know if works.