Shopify Theme Update — Diff & Migrate Commented Custom Code (Liquid, CSS, JS & CSP)

A new update is available for my current Shopify theme. Because Shopify's automatic theme updater does not carry over custom code modifications inside edited files, I need an experienced Shopify developer... (Budget: $30 - $250 USD, Jobs: CSS, Debugging, Frontend Development, Git, HTML, Shopify, Shopify Templates, Software Development, Web Development, Website Optimization)