Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
What's New in Angular 17: @if, @for, @defer and the New Application Builder
The @if, @for and @switch control flow, @defer and its triggers, the esbuild and Vite based application builder and standalone ng new in Angular 17, compared with Angular 12.
What's New in Angular 17.x: input(), model(), output() and Signal Queries
input(), input.required(), model(), output() and the viewChild()/viewChildren() signal queries from Angular 17.1–17.3, side by side with their Angular 12 @Input, @Output and @ViewChild counterparts.
What's New in Angular 18: Zoneless Change Detection, @let and Stable Control Flow
Experimental zoneless change detection in Angular 18, control flow and @defer going stable, @let from 18.1, ng-content fallback content, unified form events and redirect functions.
Angular 19: Standalone by Default, linkedSignal and Data Loading with resource()
In Angular 19 you no longer write standalone: true. We compare linkedSignal for dependent state and the experimental resource() and rxResource for data loading with the Angular 12 way.
Angular 20: Stable Signal APIs, httpResource and the New File Naming
In Angular 20, effect, toSignal and linkedSignal become stable, resource swaps request for params, httpResource arrives, app.ts replaces app.component.ts and *ngIf gets deprecated.
Angular 21: Zoneless by Default, Experimental Signal Forms and Vitest
In Angular 21 new projects start without Zone.js, Signal Forms arrive as an experiment and become [formField] in 21.1, and Vitest becomes the default test runner. We compare it all with Angular 12.
Angular 22: OnPush by Default, Stable Signal Forms and a File-by-File Comparison with Angular 12
In Angular 22 OnPush is the default, Signal Forms and the resource APIs are stable, and HttpClient uses Fetch. We also cover the yearly major cadence and a file-by-file diff with an Angular 12 project.