# Thinking: notes on Shopify updates

Plain-English notes on Shopify platform updates, checkout, AI commerce and building Shopify apps.

## [Shopify Scripts are gone: how to move checkout logic to Shopify Functions](https://fleekapps.com/thinking/shopify-scripts-sunset-functions-migration/)

October 9, 2026 · Checkout

Shopify Scripts stopped running on June 30, 2026. Here’s what changed, how each Script type maps to a Shopify Function, and the fastest way to rebuild what you lost.

## [Shopify Spring ’26 Edition: what merchants should act on](https://fleekapps.com/thinking/shopify-spring-26-edition-what-merchants-should-know/)

October 9, 2026 · Editions

150+ updates landed on June 17, 2026. We picked the ones that change how Shopify stores get found, sell and run day to day.

## [Selling inside AI conversations: Agentic Storefronts, Shopify Catalog and UCP](https://fleekapps.com/thinking/agentic-commerce-shopify-agentic-storefronts-ucp/)

October 9, 2026 · AI commerce

Shoppers increasingly discover products inside AI assistants. Here’s how Shopify connects your store to them, and how to make your products easy for AI to recommend.

## [Spring ’26 for Shopify developers: UCP, Catalog API and Sidekick App Extensions](https://fleekapps.com/thinking/shopify-spring-26-developers-ucp-catalog-api-sidekick/)

October 9, 2026 · Developers

The developer side of Spring ’26 is about agents: open Catalog access, a public checkout MCP endpoint and Sidekick extensions any app can build.

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Source: https://fleekapps.com/thinking/