Upgrading Shopify to Rails 5 – Shopify EngineeringToday, Shopify runs on Rails 5, the latest major version. It’s important to us to stay updated so we can improve the performance and stability of the application without having to increase the maintenance cost of applying monkey patches. This guarantees we would always be in the version maintained by the community; and, that we would have access to new features soon. Upgrading the Shopify monolith
