Here is the link to the official blog post: https://blog.angular.io/angular-v16-i...
Update from Angular v15 to v16.
Summary:
Reactivity with Signals. Additional way of dealing with changing values beside Zone.js. There were some scaling difficulties with Zone.js and Signals come to rescue the situation. Zone.js will become optional in future releases.
Generate Standalone components with the CLI - ng new angular-app --standalone
Vite Tooling for Development server
Server-side hydration. "No content flickering on a page for end users"
Faster builds with esbuild. For development and production builds