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Angular 19, released in early 2025, introduces several new features aimed at improving developer productivity, performance, and the flexibility of the framework. Let us understand some of the notable features.
1. Standalone Components, Directives, and Pipes
Standalone components are fully functional without the need for an NgModule, simplifying the development process, especially in large-scale applications.
Angular 19 extends the concept of standalone components, directives, and pipes introduced in previous versions and now allows for even greater modularity and flexibility. It’s now simpler to build and reuse components across projects.
Additionally, There is no need to add standalone property in component’s metadata as enforced in Angular 18. So, a Project developed by Angular 19 CLI is standalone.
2. Zone-less Angular
Angular 19 introduces the option to run Angular applications without zones. Zones are used for change detection, but by removing this dependency, Angular apps can perform even faster, especially in scenarios where change detection is manually controlled.
Zone-less operation gives developers more control over how change detection is handled, potentially leading to better performance and flexibility in high-performance or real-time applications.
3. Improved Angular CLI with Tailwind Integration
The Angular CLI has been enhanced with built-in support for Tailwind CSS. Developers can now scaffold projects that are preconfigured with Tailwind, making it easier to use utility-first CSS frameworks in Angular projects.
Tailwind’s utility-first approach to CSS can lead to faster UI development and cleaner, more maintainable code, and Angular 19 has made this integration seamless.
4. React-like Hook API for Angular (Experimental)
Angular 19 introduces an experimental feature that brings a React-like hook API to Angular. This new API allows developers to manage component state and side effects using hooks, enabling a more declarative and functional style of development.
5. Directive Composition API
This new feature provides a way to compose multiple directives into a single directive in a more modular fashion. It simplifies the process of applying multiple behaviors to a single element without the need to manually manage combinations of directives.
6. Angular Elements with Web Components Enhancements
Angular Elements, which allow Angular components to be used as custom elements (Web Components), has been improved for better interoperability with non-Angular applications. It also now supports improved lazy loading for Angular Elements, reducing the initial load time.
7. Improved Server-Side Rendering (SSR) with Automatic Hydration
SSR is more efficient in Angular 19, with automatic hydration added to the framework. SSR helps with SEO and performance, and the automatic hydration feature ensures that the client-side Angular app becomes interactive without additional configuration or delays.
This means that after the initial server-rendered page is sent to the client, Angular automatically “hydrates” the page (binds event listeners, sets up change detection), improving time-to-interactivity.
8. Simplified NgRx Integration
State management is crucial in large-scale Angular applications. The popular state management library NgRx has been simplified in Angular 19. The framework now provides built-in, first-class support for NgRx, enabling a more straightforward setup for managing state in large applications.
Simplifying the integration process with NgRx makes it easier for developers to manage complex state in a maintainable way.