Everything You Need to Know About Angular v16
Tags: angulardevelopment, angulardevelopmentcompany, angulardevelopers
Published: 2023-07-07 11:17:11

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title: Everything You Need to Know About Angular v16
published: True
description: Discover the exciting updates and anticipated features of Angular v16. Explore What's New and get a glimpse of what to expect from this latest version. Stay ahead with the cutting-edge enhancements and improvements in Angular development.
tags: #AngularDevelopment #AngularDevelopmentCompany #AngularDevelopers 
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The last update before the Angular v16 happened in October 2022. The update (v15) included stable standalone APIs, directive composition APIs, improved stack traces, and more.<br>
Since then, the v15 has been frequently getting updated until recently when Angular launched a major update and called it the Angular Version 16.<br>
Let’s go through the highlights.
<h2>What’s New in Angular v16?</h2>
<h3>Rethinking Reactivity</h3>
<ul>
<li>A brand new reactivity model for Angular is introduced in v16, bringing significant improvements to performance and developer experience.</li>
<li>It provides better runtime performance by reducing the number of computations during change detection.</li>
<li>It brings a simpler mental model for reactivity, making dependencies of the view and the flow of data through the app clear.</li>
<li>Fine-grained reactivity is enabled, allowing for checking changes only in affected components.</li>
<li>Zone.js becomes optional in future releases by using signals to notify the framework when the model has changed.</li>
<li>Computed properties are delivered without the penalty of recomputation in each change detection cycle.</li>
<li>Better interoperability with RxJS is enabled by outlining a plan to introduce reactive inputs.</li></ul>
<h3>Angular Signals</h3>
<ul>
<li>A new signals library is introduced as part of @angular/core in v16.</li>
<li>The signals library allows defining reactive values and expressing dependencies between them.</li>
<li>It provides a simplified way to handle reactivity in Angular applications.</li>
<li>Signals can be used to create computed values that depend on other signals.</li>
<li>Effects can be defined to execute callbacks whenever a signal’s value changes.</li></ul>
<h3>RxJS interoperability</h3>
<ul>
<li>The v16 release includes an RxJS interop package, @angular/core/rxjs-interop, for easy integration of signals with observables.</li>
<li>Signals can be lifted to observables using the to Observable function from the interop package.</li>
<li>Observables can be converted to signals using the to Signal function from the interop package.</li></ul>
<h3>Server-Side Rendering and Hydration</h3>
<ul>
<li>Angular v16 introduces a developer preview of full app non-destructive hydration for server-side rendering.</li>
<li>The new hydration approach improves performance and user experience by reusing existing DOM nodes instead of re-rendering the application from scratch.</li>
<li>It reduces content flickering and improves Web Core Vitals in certain scenarios.</li>
<li>The architecture allows for future fine-grained code loading and supports progressive lazy route hydration.</li>
<li>Integration with existing apps is made easy with a few lines of code.</li>
<li>The developer preview also includes updated Angular Universal schematics and support for stricter Content Security Policy for inline styles.</li></ul>
<h3>Improved Tooling for Standalone Components, Directives, and Pipes</h3>
<ul>
<li>Angular v16 encourages wider adoption of standalone APIs by providing migration schematics and a standalone migration guide.</li>
<li>New projects can be created as standalone from the start using the –standalone flag with the ng new command.</li>
<li>Zone.js can be configured with the new bootstrap Application API using provide Zone Change Detection.</li>
<li>The Angular CLI now uses an esbuild-based build system in developer preview, resulting in faster build times.</li>
<li>Experimental Jest support is introduced, offering reduced complexity for testing and enabling browser-based unit testing with Web Test Runner.</li>
<li>The Angular language service now supports autocomplete imports in templates.</li></ul>
<h3>Improved Developer Experience</h3>
<ul>
<li>Inputs can now be marked as required, allowing for compile-time errors if a value is not specified for them.</li>
<li>Router data can be passed as component inputs, allowing the binding of route parameters, path parameters, and query parameters to corresponding component inputs.</li>
<li>Inline-styles in components now support Content Security Policy (CSP) with the ability to specify a nonce attribute for the inlined styles.</li></ul>
<h3>TypeScript 5.0 Support</h3>
<ul>
<li>Support for ECMA Script decorators</li>
<li>Improved unit testing with Jest and Web Test Runner</li>
<li>Expanded CSP support in the CLI is also included in Angular v16.</li></ul>
<h2>Conclusion</h2>
Angular version 16 introduces a plethora of exciting new features that have the potential to revolutionize the way we develop Angular applications. Among these features are experimental additions such as signals and a dev server inspired by Vite.<br>
These innovative additions to Angular are poised to significantly reduce boilerplate code and optimize the development process. By embracing these new features, developers can expect a more streamlined and efficient coding experience.<br>
Additionally, developers pave the way for seamless integration with emerging technologies like Vitest and Playwright, offering simplified pathways to leverage their capabilities. <a href="https://www.techtic.com/angular-development-company/">Angular developers</a> at Techtic are excited about the v16. Are you? 
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