Features

Cross-package capabilities. Each one usually owns multiple files in core, compiler, and compiler-cli, plus surfaces in platform-browser or domain packages.

Feature	What it is	Page
Signals	The reactivity primitives and signal-based component authoring (input(), output(), model(), viewChild()).	signals
Control flow blocks	@if, @for, @switch, @let template syntax.	control-flow
Deferrable views	The @defer block and incremental hydration.	deferrable-views
Standalone components	The post-NgModule composition model and provideXxx configuration.	standalone-components
SSR / hydration	Server-side rendering plus reusing the rendered DOM at boot.	ssr