The `UnitPriceMeasurementMeasuredUnit` enum now includes imperial units and counts

In the release candidate for version 2025-07 of the Storefront, GraphQL Admin, and Customer Account API, the UnitPriceMeasurementMeasuredUnit enum now supports values for imperial units and counts.


This is a companion discussion topic for the original entry at https://shopify.dev/changelog/unit-pricing-api-update