The stack of this release is:
Front-End: React, Redux, React Router, redux-actions, redux-thunk
Back-End: Express, Server-side rendering, HTML template string
Styling: Bootstrap 4, JSS, react-jss
Libs: ImmutableJS, socket.io, isomorphic-fetch
Linting / Type Checking: ESLint, ESLint Airbnb Config, Flow, Compat
Testing: Jest, fetch-mock, redux-mock-store...