> The most of Redux-applications look alike. They have a similar file structure and reasonable test coverage. They use the same middlewares and same libraries t

> The most of Redux-applications look alike. They have a similar file structure and reasonable test coverage. They use the same middlewares and same libraries to force immutability. The developers, who work on them, use the same devtools. This assumption is not really correct in my experience - most of the projects I worked on use redux, but some of them use ducks/feature driven approach, some have reducers separate from components. Some use sagas, some thunks and rare examples use hooks/no sidefx management at all. None use immutablejs and some use immer to discard pain of doing deep {...oldState, field: {...oldStateField, val: newVal}}. What author describes is good advice though, the whole idea is you only keep actually global state normalized and use selectors to construct the representation you need.