Angular 19 - 5 Game-Changing Features You Need to Know

Angular 19 brings five notable features: partial and incremental hydration for faster load times, standalone components becoming the default (with modules requiring explicit opt-in), experimental zoneless change detection to reduce bundle size and improve performance, the new linkedSignal primitive for reactive writable signals, and experimental resource/rxResource APIs to simplify async data retrieval using promises and Observables respectively.