Today, we're diving deep into the world of checkout extensibility, a hot topic that's been reshaping Shopify's checkout process for increased security. We'll explore how these changes impact tracking and what's necessary for a seamless transition. We will walk you through three critical takeaways: understanding the differences between checkout and thank-you page extensibility, the implications of Shopify's removal of checkout liquid, and moving your tracking scripts into Shopify's new web pixel system.