Storefront Catalog MCP now implements UCP
What’s changing The following UCP catalog tools in Storefront Catalog are now available: `search_catalog`: Search a store's product catalog with filters, pagination, and buyer context `lookup_catalog`: Batch lookup products or variants by identifier with inputs correlation `get_product`: Retrieve full product details with interactive variant selection...
Also shipped Apr 22, 2026Shopify in April 2026 →
- Duckling Overview UI: The Duckling Overview page in Settings provides a view of activity across every...
- Duckling Overview UI: The Duckling Overview page in Settings provides a view of activity across every Duckling in the organization over the last 24 hours, including key metrics like status, disk spills, active minutes, and query-level drilldowns.
Introducing Replit Auto-Protect
Replit Auto-Protect automatically monitors project dependencies for critical CVEs. When a vulnerability is found, the Replit Agent prepares a patch that users can apply and republish with two clicks.
Introducing Workspaces
OpenRouter now supports Workspaces, allowing users to organize projects into separate environments. Each workspace features independent API keys, routing defaults, guardrails, and observability settings.
Make preview on the mobile app
Make is now available in the Figma mobile app, bringing mobile testing and review to your device.
Deploy CLI Dry Run is now GA
We're excited to announce that Dry Run on Auth0 Deploy CLI is now Generally Available , giving developers full visibility into tenant changes before they're applied. __Key Benefits:__ Preview changes before they hit your tenant. Run a0deploy import --dry-run to see exactly what resources will be created, updated, or deleted , then exit safely.
Anomaly Alerts (Usage Spike Detection)
Detect unexpected spikes and drops in usage with intelligent anomaly detection We’re excited to announce the general availability of Anomaly Alerts in the Cost Management and Billing app!
More from Shopify developer platformEvery Shopify developer platform release →
Automatic CSS subsetting for `{% stylesheet %}` tags
Shopify is introducing CSS content subsetting for {% stylesheet %} tags to improve storefront performance. Starting April 20, 2026, Shopify only delivers the CSS from {% stylesheet %} tags that are relevant to the sections, blocks, and snippets rendered on each page, instead of serving all {% stylesheet %} CSS on every page load.
`totalUnsettledSet` calculation fixed for pending captures
The totalUnsettledSet field on the OrderTransaction object now correctly calculates the unsettled amount when a capture is in pending status. The affected field is OrderTransaction.totalUnsettledSet .
Customer tax settings now available in Admin API
Starting in API version 2026-07, the taxSettings field on the Customer object will be publicly accessible in the Admin GraphQL API. Apps with the read_customers or read_taxes access scopes can now query a customer's tax ID, such as a VAT number, which is collected and validated during checkout.
New app submission experience in the Partner Dashboard
We updated the app submission experience to help apps get reviewed and published faster. Three changes are live now in the Partner Dashboard: End-to-end review management in Partner Dashboard Review feedback for app submissions now lives in the Partner Dashboard under App > Distribution.
Minor rounding change for custom line item discounts in POS 11.5
Starting with POS version 11.5, we are updating the internal calculation method for custom fixed-amount line item discounts. These discounts will now be applied on a per-unit basis rather than across the entire line. Note that this change only affects fixed-amount discounts; percentage discounts remain unchanged.
`LineItem.priceAfterAllDiscountsBeforeTaxesSet` field now available
The LineItem object in the GraphQL Admin API now includes a [ priceAfterAllDiscountsBeforeTaxesSet ( https://shopify.dev/docs/api/admin-graphql/2026-07/objects/LineItem#field-LineItem.fields.priceAfterAllDiscountsBeforeTaxesSet ) field, which is equivalent to the REST API's current_subtotal_price_set on line items.
Deprecation of checkout metafields in checkout and customer account UI extensions
As of API version 2026-04, the ability to read and write checkout metafields in checkout and customer account UI extensions has been removed. Instead, checkout metafields have been replaced by cart metafields in checkout UI extensions and order metafields in customer account UI extensions.
Scannable discount codes
As of POS version 11.5, merchants can generate scannable QR codes for any discount code in the Shopify Admin. These QR codes can be applied by both POS staff at checkout and by customers in online store sessions. What this means for discount apps No changes are required with this release.