100
Urgent
Shopify Developer Changelog
Official
Local currency support gift cards now available in the GraphQL Admin API
Starting in API version 2026-07 , the GraphQL Admin API supports local currency gift cards. You can create gift card products that are issued in a specific currency, and control whether buyers can redeem those gift cards across currencies. If your app creates gift cards directly, migrate from the deprecated initialValue field to initialAmount . What changed Use the new giftCardProductSet mutation to create and update
Why it matters: This can create operational risk or a time-sensitive decision for Shopify sellers, agencies, or app teams.
Action: Assign an owner, check whether the store or app stack is affected, and decide whether a migration or audit is needed.
91
Opportunity
Shopify Developer Changelog
Official
Sidekick app extensions available today
All app developers can now build Sidekick app extensions that let Sidekick read app data and take action, with merchant-consented access.
Why it matters: Opens a new AI distribution surface inside Shopify, giving apps a discoverable path to be queried by merchants through Sidekick.
Action: Identify high-value app data and actions to expose as Sidekick extensions; design for natural-language merchant queries.
89
Urgent
Shopify Developer Changelog
Official
Standard storefront events and actions
Liquid storefronts now emit standard DOM events (e.g. shopify:product:view, shopify:cart:lines-update) and expose actions apps and agents can call, working across all themes.
Why it matters: Creates a uniform integration layer for themes, apps, and AI agents, reducing theme-specific custom hooks and unlocking cross-theme analytics and automation.
Action: Adopt standard events in themes and apps; deprecate theme-specific custom events where possible.
89
Opportunity
Shopify Developer Changelog
Official
Storefront Catalog MCP now implements UCP
Storefront Catalog MCP adds UCP-compatible tools: search_catalog, lookup_catalog, and get_product, enabling buyer-context-aware catalog interactions for AI agents.
Why it matters: Shopify pushing UCP as the agentic commerce protocol of choice; apps building on storefront APIs should expect agent-driven traffic and design tools around these new endpoints.
Action: Map current catalog read logic to the new MCP tools; instrument agent-style sessions; ensure filters, pagination, and variant selection signals are exposed.
86
Urgent
Shopify Developer Changelog
Official
Storefront MCP cart tools are being deprecated in favour of UCP Cart MCP
Storefront MCP cart tools (get_cart, update_cart) are deprecated in favor of UCP-conforming Cart MCP tools (create_cart, etc.) at the new /api/ucp/mcp endpoint, implementing the UCP cart capability spec.
Why it matters: AI shopping agents and integrations using Storefront MCP must move to UCP Cart MCP to remain functional, aligning with the cross-platform Universal Commerce Protocol. Strategic for AI Commerce builders.
Action: Migrate AI agent and integration code from Storefront MCP cart tools to UCP Cart MCP at /api/ucp/mcp; validate against the UCP 2026-04-08 cart spec.
85
Opportunity
Shopify Developer Changelog
Official
Bots and agents should identify themselves via Web Bot Auth
Stricter Storefront API and online store rate limits applied to unidentified bots; signing with Web Bot Auth unlocks higher limits.
Why it matters: Operators of crawlers, AI agents, or competitive intelligence bots hitting storefronts must adopt Web Bot Auth to avoid throttling; affects SEO/AI tooling vendors.
Action: If operating a bot/agent against Shopify storefronts, implement Web Bot Auth signing before enforcement tightens.
85
Evaluate
Shopify Developer Changelog
Official
Shopify AI Toolkit: Connect your AI tools to the Shopify platform
Shopify AI Toolkit exposes docs, API schemas, code validation, and CLI 'store execute' capabilities to AI coding agents, with auto-updating plugins for Claude Code, Cursor, Gemini CLI, VS Code.
Why it matters: Shopify is formalizing its stance as AI-tool-friendly; agencies and app teams can ship faster with first-party context, but ecosystem lock-in via the Toolkit is a real vendor play.
Action: Evaluate installing the Toolkit plugin in your dev environment; weigh speed gains against dependency on Shopify's curated documentation surface.
84
Opportunity
Klaviyo Blog
Vendor POV
Klaviyo frames AI-origin visits as a new segmentation and attribution workflow
Klaviyo explains how agent-driven shopping visits can be tracked and used in customer segmentation for Shopify-connected brands.
Why it matters: AI commerce is moving from abstract trend to measurable traffic and lifecycle marketing workflow.
Action: Create a watch segment for AI-origin sessions, then compare checkout starts, placed orders, and follow-up purchase behavior.
83
Evaluate
Shopify Developer Changelog
Official
Customize /llms.txt, /llms-full.txt and /agents.md
Stores can now serve custom content at /llms.txt, /llms-full.txt, and /agents.md via Liquid templates under Online Store > Themes > Edit code.
Why it matters: Gives merchants control over how AI agents and LLM crawlers see their catalog and policies; relevant to AI-driven discovery and shopping experiences.
Action: Decide whether default agents.md content is acceptable; if not, add templates/agents.md.liquid (and optionally llms.txt.liquid, llms-full.txt.liquid) to curate AI-facing content.
82
Urgent
Shopify Developer Changelog
Official
New App Store requirements for Sidekick app extensions
New Shopify App Store rules require Sidekick app extensions to stay within the host app's stated functionality, with disclosure and scope enforcement.
Why it matters: Tightens what Sidekick extensions can do, affecting roadmap and go-to-market for any app planning AI assistant capabilities within Shopify's Sidekick surface.
Action: Review planned Sidekick extensions for scope alignment; update App Store listings to reflect Sidekick functionality accurately.
82
Opportunity
Shopify Developer Changelog
Official
Shopify AI Toolkit for upgrading extensions to Polaris web components
Shopify AI Toolkit now supports upgrading checkout and customer account UI extensions to new API versions, including the migration to Polaris web components, usable with preferred AI coding agents.
Why it matters: Reduces manual migration cost for agencies and app developers on upcoming extension API versions; signals that Polaris web components are the default forward path for checkout and customer account UI extensions.
Action: Pilot the AI Toolkit on a non-critical extension migration; track which upgrades it handles correctly versus ones still requiring manual review.
