shopify_app Ruby gem and koa-shopify-auth for Node.js updated to work with Chrome 80
Tools
Effective January 23, 2020
Action required
We've update the shopify_app Ruby gem and koa-shopify-auth for Node.js (used by the Shopify App CLI) to declare Samesite=none; Secure in cookies used in third-party context. Updating your embedded apps to the newest version of these tools will prevent cookie issues after the release of Chrome 80 on February 4th, 2020.
You can learn more about Chrome's new cookie requirements and (how to update your app's cookies)[https://help.shopify.com/en/api/guides/samesite-cookies] using our guide.