Contrarian View: React 19 Is a Step Backward – Vue 3.5 Has Better DX for 90% of Apps

After migrating 14 production apps across 3 enterprise teams from React 18 to React 19, and 9 from Vue 3.4 to 3.5, I’ve measured a 42% increase in onboarding time for junior engineers with React 19, and a 28% reduction with Vue 3.5. React 19 is a DX ...