Angular Signals

Version: Angular 16+ (2025) Tags: Reactivity, State Management, Signals API

References: Angular Signals • API Reference

API Changes

This section documents version-specific API changes.

• NEW: Angular 19 Resource API — New way to handle async data with built-in loading/error states

• NEW: linkedSignal() — Creates a signal linked to external sources with getter/setter source

• NEW: Signal inputs — Use input() and input.required() for reactive component inputs

• NEW: toSignal() and toObservable() — Bridge between RxJS and Signals