* [core-js v3.49.0](https://github.com/zloirock/core-js) – Modular standard library for JavaScript with polyfills for ECMAScript and various web standards. * [Fetch JSONP v1.4.0](https://github.com/camsong/fetch-jsonp) – Fetch-like API for performing JSONP GET requests with Promise-based response parsing. * [WebRTC adapter v9.0.4](https://github.com/webrtcHacks/adapter) – Shim that insulates applications from WebRTC spec changes and browser prefix differences.