Shopify Checkout Extensibility — What To Do Before August 28, 2025

Why This Matters Now Shopify is phasing out legacy checkout customizations. If your store still relies on checkout.liquid, Additional Scripts, or apps that inject script tags on the Thank You and Order Status pages, you must migrate to Checkout Extensibility by August 28, 2025 (for Shopify Plus stores). Otherwise, those older methods will stop working […]