This is a really cool engineering article on how they managed the migration of React 16 rewrite. It illustrates the use of - feature toggles to reduce merge c

This is a really cool engineering article on how they managed the migration of React 16 rewrite. It illustrates the use of - feature toggles to reduce merge conflicts - TDD for api coverage - regression logging for faster feedback loop - coverage chart for motivation - staggered rollout and A/B testing with an eye on product metrics for migration issues Thanks for sharing!