Angular 19 vs React 19

Angular 19 vs React 19: Feature Comparison

Angular 19 and React 19 introduce powerful new capabilities aimed at improving developer experience, performance, and scalability. Below is a comparison table outlining their key differences:

Feature / Aspect Angular 19 React 19
Rendering Model Supports SSR & SSG with @defer, default event replay, and incremental hydration. Introduces Server Components and Server Actions for server-rendered UI and logic.
State Management Stable Signal API and linkedSignals for reactive state. New hooks like useActionState, useFormStatus, useOptimistic for async state.
Hot Module Replacement (HMR) Enhanced for templates and styles, preserving state during dev. Seamless HMR support continues with stable React dev tooling.
Component Model Standalone components now default; NgModules optional. Pass ref as a prop directly; use <Context> directly as a provider.
Data Fetching New resource() and rxResource() APIs for declarative fetch and caching. Experimental use() API for directly reading promises in render.
Form Handling Angular Material adds a new Time Picker; better form components. Server Actions simplify form submissions and state handling.
Performance Optimizations Experimental zoneless mode and afterRenderEffect for leaner change detection. Improved hydration error diffs, async scripts, and resource preloading.
Testing and Tooling Better Jest support and test runner enhancements. Codemod tools help adopt new features like ref as prop, server components.
Security Enhancements AutoCSP for stricter Content Security Policies. Improved secure resource handling in server rendering.
Web Components Integration Full support for using custom elements in Angular apps. Simplified integration of custom web components in React apps.

Both frameworks continue to evolve rapidly. Angular 19 focuses on enhancing reactive state and simplifying app structure, while React 19 emphasizes performance and modern server-client integration. Choose the one that best suits your app's architecture and team familiarity.

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