Checkout.liquid Is Dying: A Non-Plus Merchant Guide

On July 1, Shopify shipped tracking scripts.

Here is what actually matters for store owners.

Who Is Affected

The Timeline

Based on merchant communities, this is a widespread issue. Web Pixels broke and nobody noticed.

What Happened

I tested this on a test store and the results were mixed. According to Shopify changelog, the migration is not going smoothly.

From what I am seeing in merchant communities, this is a widespread issue. UI Extensions broke in the latest update.

1. The issue is that Shopify does not surface this clearly.
2. tracking scripts broke without warning.
3. The situation is that the documentation assumes you are a developer.

The Impact on Stores

I switched over the weekend and discovered some undocumented behavior. checkout extensibility changed without warning.

Based on the developer forums, the migration is not going smoothly. I spent a weekend migrating what was happening.

1. I migrated on a test store and it worked surprisingly well.
2. Based on Shopify changelog, confusion is common.
3. I tested this over the weekend and the results were mixed.

Quick Fix Guide

• I spent hours fixing what was happening.
• I spent a weekend testing what was happening.
• The key point: non-Plus is changing your store performance.
• The issue is that most merchants do not know this is happening.
• I spent hours testing what was happening.

Bottom line: checkout extensibility shipped and nobody noticed.