Wxt was mentioned elsewhere in this thread and will build from a single codebase for multiple target browsers. It's built on top of a polyfill from Mozilla. The

Wxt was mentioned elsewhere in this thread and will build from a single codebase for multiple target browsers. It's built on top of a polyfill from Mozilla. Their docs on that: https://wxt.dev/guide/key-concepts/web-extension-polyfill.html https://wxt.dev/guide/key-concepts/web-extension-polyfill.ht...