Notes

Notes from real builds.

Things that keep repeating across stores, written down so I stop explaining them twice. No theory, no listicles.

Shopify Scripts have stopped. What replaces each one

· Shopify Functions

Shopify Scripts stopped running on 30 June 2026. What replaces line item, shipping and payment scripts, and when a custom Function needs Shopify Plus.

How to block PO Box addresses at Shopify checkout

· Shopify apps

PO Boxes cause failed deliveries and chargebacks. Here is how to stop them at checkout, including Postfach, Packstation and other local spellings.

How to bulk edit Shopify variant names without breaking your store

· Shopify apps

Inconsistent variant names quietly break filters, search and customer trust. Here is why it happens and how to fix a whole catalogue at once.