Order Printer Templates now correctly handles Shopify's new "Edit order" feature, with pricing, taxes, discounts etc. all being correctly recalculated based on the changes made to an order through your Shopify admin.
This change ensures the template editor experience continues to closely match what customers will see in actual documents generated after an order is edited.
Orders can be edited through the Shopify admin, by clicking the "Edit" link in the top menubar, when viewing an order: