Angular 20 introduces game-changing features like Signals, Zoneless change detection, and Resource APIs for asynchronous data management.Signals offer reduced boilerplate, improved performance, and easier state management in Angular development.Zoneless change detection improves performance and debugging by relying on event-driven reactivity.Resource APIs simplify asynchronous data management with built-in caching, error handling, and loading states tied to Signals.Incremental Hydration and Route-Level Rendering enhance performance, SEO, and user experience in Angular applications.Enhancements in Developer Experience include improved template syntax, Signal-Based Forms, and Type Checking support.Angular 20 enforces new naming conventions, HMR for Templates, and introduces an experimental default test runner.Required Versions & Deprecations include updates requiring TypeScript v5.8 and Node.js v20, along with deprecations like TestBed.flushEffects().Performance insights in Chrome DevTools integrate Angular-specific profiling data for improved application performance analysis.Framework additions like createComponent and Extended template expression syntax enhance dynamism and expressiveness in Angular.Extended diagnostics, Style guide updates, and Improved host bindings contribute to a cleaner, more efficient Angular development experience.