No, we can't modify the order template either.The unit price for items in the order summary is displayed only when you manually enter a unit price in on the products admin. Looks like Shopify either has to add unit price management to the API or allo...

Hi Chris, we found a solution by adding the fields of UnitPriceMeasurement as metafields to ProductVariantInput.This maintains the structure and you can easily replace the unit_price snippets in templates with new field names like: item.variant.unit_...