How Airbnb Smoothly Upgrades React

IntroductionAirbnb’s frontend recently reached a major milestone: all of our web surfaces have been upgraded from React 16 to React 18, the current major version of React¹. This was a big project for a product with many surfaces, including Guest and Host pages as well as many internal tools. To safely perform this upgrade, we created the React Upgrade System: reusable infrastructure that allows us

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AirbnbでのReactのアップデートについて。 パッケージのalias機能を使い複数のReactバージョンを利用、SSRを行うサーバもあるため環境変数で使うバージョンを指定。 同じコードから2つのReactバージョンで動くようにして、テス