Making API calls using Axios and Redux-Observable is useful for polling an API , request cancellation, making sequential or parallel requests.

Learn how to implement undo/redo functionality in a redux reducer using Immer – an immutable library that generates patches and inverse patches that allows us to move back and forth between the changes performed in the redux reducer.

Writing clean and maintainable large scale react application using redux for the state management, immer for immutability, typescript for type safety and redux observables for handling async actions.