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

Build: Babel, Webpack, babel-plugin-flow-react-proptypes

Infra: Yarn, Webpack Dev Server, PM2, Husky Git Hooks, rimraf

Services (optional): Heroku, Travis, Coveralls