Is Redux Toolkit the official way to use Redux?

Redux Toolkit is the official, recommended way to write Redux. It provides utilities like createSlice and createAsyncThunk that remove the boilerplate classic Redux was infamous for, letting you define state and reducers in one place.

Because classic Redux required separate files for actions, types, and reducers, plus lots of boilerplate. RTK's createSlice auto-generates action types and creators, so a simple feature becomes a few lines in one file instead of dozens across many.

It lets you define state, reducers, and action creators in one place. It auto-generates action types and action creators for you, removing the need to write them separately as in classic Redux.