All changes from v3.0.0 pre-release versions including:
* [X] Hooks (`useFirebase`, `useFirebaseConnect`, `useFirestore`, `useFirestoreConnect`)
* [X] Rebuild on stable React Context API
* [X] Support react-redux v6 - [#581](https://github.com/prescottprue/react-redux-firebase/issues/581)
* [X] Support for react strict mode - [#564](https://github.com/prescottprue/react-redux-firebase/issues/564)
* [X] Improved bundle size support (should include way to audit size) - [#573](https://github.com/prescottprue/react-redux-firebase/issues/573)
* [X] Support/Docs for stable react context API
* [X] Switch `firebaseConnect` and `firestoreConnect` to using `componentDidMount` in place of `componentWillMount` which is deprecated in newer react versions (as [described here](https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html#fetching-external-data))


More details available in [the v3.0.0 roadmap](https://github.com/prescottprue/react-redux-firebase/wiki/v3.0.0-Roadmap)