What may be the most poweful new feature is the ability to display your site under your current domain, even when it was created under a different domain, without doing any conversion. That's right. We've enhanced the related sites feature to do real time conversion from existing content, not just new content. You can now migate one domain to another, add a related site for the former domain, and enable related sites for existing content. To do this last bit, add the following to your functions.php: