Modern State Management: Signals, Observables, and Server Components

State management is a critical aspect of modern web applications. In the Angular ecosystem, reactivity has long been powered by o bservables (RxJS), a powerful but sometimes complex paradigm. Angular’s recent introduction of s ignals provides a new, intuitive reactivity model to simplify UI state handling. Meanwhile, frameworks like React are exploring s erver components that push some state management to the server side. This article compares these approaches: observables, signals, and server components, and when to use each in modern development.