Angular Signals — A Shift in Angular Reactivity Angular has changed significantly over the past few years. What was once often perceived as a heavy framework with complex change detection and a strong reliance on Zone.js is gradually moving toward a more explicit and predictable reactivity model. One of the key steps in this direction is Signals . What are Signals? Signals in Angular introduce a new way of handling state that makes reactivity more explicit. In simple terms: Angular used to rely heavily on Zone.js and implicit change detection Now it introduces a model where state and dependencies are explicitly defined A Signal is a reactive primitive that holds a value and notifies the system when that value changes. Why this matters One of the long-standing challenges in Angular was not complexity itself, but implicit reactivity . Developers often had to deal with questions like: What exactly triggered a UI update? Why did this component re-render? Where does change detection actually stop?…