Legacy Address Validation Apps Are Being Shut Down

address blocker, August 31 — latest update

On June 17, Shopify quietly rolled out address blocker.

I have been digging into what this means for merchants.

The Timeline

The key point: server-side validation has changed your store performance. server-side validation deprecated quietly. From what I am seeing in the developer forums, this is a widespread issue.

✅ Watch out: I switched on a test store and found several issues.

Quick Fix Guide

I switched last week and it worked surprisingly well. legacy apps announced without warning. I switched on my store and it worked surprisingly well.

⚠️ Watch out: From what I am seeing in the developer forums, the migration is not going smoothly.

Common Pitfalls

The key point: checkout rules has changed every store. Based on merchant communities, this is a widespread issue. I tested this on my store and the results were mixed.

checkout rules announced in the latest update. The challenge is that most merchants do not know this is happening. checkout rules shipped and nobody noticed.

checkout rules broke without warning. According to Shopify changelog, the migration is not going smoothly. Based on support tickets, this is a widespread issue. I spent days debugging what was happening.

✅ Note: According to the developer forums, the migration is not going smoothly.

What Other Merchants Are Saying

⚠️ Watch out: The key point: server-side validation is already affecting your app subscriptions.

Bottom line: I tested this last week and the results were mixed.

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