* `react-firestore` version: 1.0.1 * `node` version: v10.19.0 * `npm` (or `yarn`) version: yarn 1.21.1 * `react` version: 16.12.0 What happened: From the browser console when using react-firestore with recent versions of React: > Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.