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Features

Angular features with stage changes in version 19(compared to version 18)

Feature	Package	18	19
@let	@angular/core
output()	@angular/core
outputFromObservable	@angular/core/rxjs-interop
outputToObservable	@angular/core/rxjs-interop
Signal inputs	@angular/core
Signal inputs converter	@angular/language-service
Signal model	@angular/core
Signal queries	@angular/core
takeUntilDestroyed	@angular/core/rxjs-interop
withEventReplay	@angular/platform-browser
withRequestsMadeViaParent	@angular/common
AngularAppEngine	@angular/ssr
AngularNodeAppEngine	@angular/ssr
createNodeRequestHandler	@angular/ssr
createRequestHandler	@angular/ssr
createWebRequestFromNodeRequest	@angular/ssr
isMainModule	@angular/ssr
linkedSignal	@angular/core
PendingTasks	@angular/ssr
PrerenderFallback	@angular/ssr
provideServerRendering	@angular/ssr
RenderMode	@angular/ssr
ServerRoute	@angular/ssr
withIncrementalHydration	@angular/platform-browser
withViewTransitions	@angular/router
writeResponseToNodeResponse	@angular/ssr
afterRenderEffect	@angular/core
auto-csp	@angular/build
experimentalPlatform	@angular/build
pendingUntilEvent	@angular/core/rxjs-interop
resource()	@angular/core
rxResource()	@angular/core/rxjs-interop
APP_INITIALIZER	@angular/core
ENVIRONMENT_INITIALIZER	@angular/core
PLATFORM_INITIALIZER	@angular/core

@let

@angular/core

Define a local variable and re-use it across the template.

output()

@angular/core

Enable emitting values to parent directives and components.

outputFromObservable

@angular/core/rxjs-interop

Output using an RxJS observable as a source for events dispatched to parent subscribers.

outputToObservable

@angular/core/rxjs-interop

Convert an Angular output declared via output() or outputFromObservable() to an observable.

Signal inputs

@angular/core

Allow values to be bound from parent components.

Signal inputs converter

@angular/language-service

Language service refactoring action that can convert `@Input()` declarations to signal inputs.

Signal model

@angular/core

Special type of input that enable a component to propagate new values back to another component.

Signal queries

@angular/core

Signals to retrieve references to child components, directives, DOM elements, and more.

takeUntilDestroyed

@angular/core/rxjs-interop

Complete the Observable when the calling context (component, directive, service, etc) is destroyed.

withEventReplay

@angular/platform-browser

Support for replaying user events (e.g. clicks) that happened on a page before hydration logic has completed.

withRequestsMadeViaParent

@angular/common

Configure the current `HttpClient` instance to make requests via the parent injector's `HttpClient` instead of directly.

AngularAppEngine

@angular/ssr

Manage Angular server applications (including localized ones), handles rendering requests, and optionally transforms index HTML before rendering.

AngularNodeAppEngine

@angular/ssr

Manage Angular server applications (including localized ones), handles rendering requests, and optionally transforms index HTML before rendering.

createNodeRequestHandler

@angular/ssr

Attache metadata to the handler function to mark it as a special handler for Node.js environments.

createRequestHandler

@angular/ssr

Annotate a request handler function with metadata, marking it as a special handler.

createWebRequestFromNodeRequest

@angular/ssr

isMainModule

@angular/ssr

Determine whether the provided URL represents the main entry point module.

linkedSignal

@angular/core

Represent state (hence the signal in the name) that is reset based on the provided computation.

PendingTasks

@angular/ssr

Experimental service that keeps track of pending tasks contributing to the stableness of Angular application.

PrerenderFallback

@angular/ssr

Fallback strategies for Static Site Generation (SSG) routes.

provideServerRendering

@angular/ssr

Configure the necessary providers for server routes configuration.

RenderMode

@angular/ssr

Different rendering modes for server routes.

ServerRoute

@angular/ssr

Server route configuration.

withIncrementalHydration

@angular/platform-browser

Enable support for incremental hydration using the `hydrate` trigger syntax.

withViewTransitions

@angular/router

Enable view transitions in the Router

writeResponseToNodeResponse

@angular/ssr

afterRenderEffect

@angular/core

Create effect(s) that run as part of Angular's `afterRender` sequence.

auto-csp

@angular/build

Opt-in option in angular.json to enable the auto-CSP transformation

experimentalPlatform

@angular/build

Specifie the platform for which the server bundle is generated

pendingUntilEvent

@angular/core/rxjs-interop

Operator which makes the application unstable until the observable emits, complets, errors, or is unsubscribed.

resource()

@angular/core

Construct a `Resource` that projects a reactive request to an asynchronous operation defined by a loader function, which exposes the result of the loading operation via signals.

rxResource()

@angular/core/rxjs-interop

Construct a `Resource` that projects a reactive request to an asynchronous operation defined by a RxJS based loader function, which exposes the result of the loading operation via signals.

APP_INITIALIZER

@angular/core

ENVIRONMENT_INITIALIZER

@angular/core

PLATFORM_INITIALIZER

@angular/core

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