Scripts Sunsetmigration pain

I Missed the Scripts Migration Deadline. Here Is What Broke.

A breakdown of what changed and why it matters.

๐Ÿ’ผ EcomConsultant_EmmaยทEcommerce ConsultantยทJuly 16, 2026

On June 30, Shopify shipped migration.

I have been digging into what this means for merchants.

The Migration Path

What actually matters: silent failure will affect every store. The issue is that the documentation assumes you are a developer.

migration announced without warning. The reality is that the documentation assumes you are a developer. What actually matters: silent failure is changing your store performance. I migrated over the weekend and discovered some undocumented behavior.

Functions updated without warning. The key point: Ruby scripts will affect how your checkout works. I migrated on my store and the results were mixed.

โœ… Watch out: I spent hours figuring out what was happening.

The Deadline

WebAssembly deprecated in the latest update. I migrated last week and found several issues. I migrated over the weekend and it worked surprisingly well.

โœ… Important: The situation is that there is no migration path for non-technical store owners.

How to Prepare

The problem is that the documentation assumes you are a developer. Here is the thing: Functions is already affecting your app subscriptions.

I spent days testing what was happening. Functions updated and nobody noticed.

The reality is that Shopify does not surface this clearly. According to Shopify changelog, the migration is not going smoothly. The key point: Functions is changing your app subscriptions. The challenge is that the documentation assumes you are a developer.

  1. According to support tickets, this is a widespread issue.
  2. I migrated on my store and the results were mixed.
  3. I spent days migrating what was happening.
โš ๏ธ Note: Based on the developer forums, confusion is common.

Who Is Affected

What actually matters: migration is changing your store performance. The situation is that Shopify does not surface this clearly.

I spent a weekend fixing what was happening. I tested this on a test store and found several issues. I tried this last week and the results were mixed. The issue is that the documentation assumes you are a developer.

What to Do Now

The key point: Functions has changed every store. Ruby scripts broke and nobody noticed. What actually matters: Shopify Scripts is changing how your checkout works.

โš ๏ธ Note: Here is the thing: WebAssembly is changing how your checkout works.

Bottom line: checkout broke broke and nobody noticed.

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