Updates to Theme Information Access in Shopify

Action Required: Developers currently using the BOOMR variables for theme identification and customization should begin transitioning to window.Shopify.theme properties. The BOOMR variables will be removed on 31/01/2025, after which window.Shopify.theme.schema_name and window.Shopify.theme.schema_version should be used exclusively.

Deprecation of BOOMR Script: The BOOMR (Boomerang) JavaScript library was used for collecting Web Performance data on storefronts and it’s now been replaced with a leaner and more conformant library. Some theme and app developers had been relying on a few variables set by BOOMR. These variables include:

• BOOMR.themeName
• BOOMR.themeVersion

These variables will continue to be available until 31st Janurary 2025, allowing developers to transition to the new method of accessing theme information.

Introduction of Enhanced Theme Information on window.Shopify.theme: In response to developer feedback, we are enhancing the window.Shopify.theme object. Starting today, it will include two new properties:

• schema_name: Reflects the name attribute from the theme's settings_schema.json.
• schema_version: Reflects the version attribute from the theme's settings_schema.json.

These additions aim to provide a standardized and reliable method for accessing theme information directly from the Shopify global object.