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Signals | Features of Angular 21

Signals continue to evolve, becoming the core of Angular’s reactivity model.

New Features Include

  • Faster signal propagation
  • Better debugging tools
  • New computed mutation safeguards
  • Improved interoperability with RxJS

Why Signals Matter

Signals replace the old change detection model with a faster, more predictable system.

Developer Advantages

  • Reactive UIs with less boilerplate
  • No more complex observables for simple state
  • Simpler component logic
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