HOW AIRBNB SMOOTHLY UPGRADES REACT

Summary from the TLDR Web Dev newsletter

Airbnb faced challenges upgrading its massive React codebase due to dependency management and performance concerns. To overcome these, its team developed a React Upgrade System that enabled incremental upgrades, module aliasing, environment targeting, and rigorous testing. The system allowed Airbnb to smoothly transition to React 18 while maintaining code quality and user experience.