Angular provides unmatchable features that make it the most preferred framework in the Web Development industry today. The Angular version 12.0.0 release has come up again with the most compelling features and customization options to take your development journey to a new horizon. The new release of the Angular 12.0.0 version brings updates on the framework, the CLI, and components.

Let’s have a look at the unique and unparalleled features in Angular 12.0.0:

1. Better developer ergonomics with strict typing for @Angular/forms.

The Angular team has focused on enforcing secure and strict methods of checking for reactive forms. The new update will help developers to look out for issues in the development stage. This upgrade will also enable better text editor and ide support allowing the developer better developer ergonomics with strict typing for Angular/forms. The previous versions were not as aggressive in addressing this issue, but Angular 12 does it perfectly.

2. Removing legacy View Engine.

When the transition to Ivy of all internal tooling gets done, removing the legacy View engine becomes the next challenge. No worries! The newly added removing legacy View Engine aims to reduce framework overheads. This is because of smaller Angular conceptual overhead, smaller package size, saving on maintenance cost, and decrease in the complexity of the codebase. With the knowledge of Ivy, it’s the best path to take while using the latest version of Angular. An application that has upgraded to the latest version of Angular (Angular 12.0) and is keeping enable Ivy as false, should consider this since in the future they cannot upgrade to the latest version if they don’t start using Ivy.

3. Leverage full framework capabilities.

Design and implement a plan to make Zone.js optional. This will, in turn, simplify the framework, improve debugging, and minimize application bundle size.Zone.js does not support native async/await syntax and when Zone.js is optional and a developer can choose not to use it then Angular will be able to support native async/ await syntax.

4. Improving test time, debugging, and test time environment.

Testbed automatic clean-up and tear down of the test environment after each test run, will improve test time and create better isolation across tests.

5. Easier Angular mental model with optional modules.

This will simplify the Angular mental model and learning. This will allow the developers to develop standalone components and implement other types of APIs for the declaration of the component compilation scope. On the other hand, we have to note that this change might make it hard for existing applications to migrate to this.

This feature will allow developers to have more control over the compilation scope for a particular component without giving much thought to the NgModule they belong to.

6. Adding Directives to Host Elements.

Adding directives to host elements has been on high request by Angular developers for a long time. The new release allows developers to architecture their components with additional characteristics without using inheritance. At the moment you cannot add directives to host elements, but you can improvise using: host CSS selector. As the selector of these components also becomes a DOM element, we could have more possibilities if we could add more directives to this element too.

7. Better Build performance with NGC as TypeScript plugin distribution.

The Angular compiler being distributed as a TypeScript plugin will significantly improve the developer’s build performance and reduce the cost.

8. Ergonomic Component level code-splitting APIs.

The slow initial load time is the major problem with web applications. Applying more granular code-splitting on a component level can solve this problem. This will mean smaller builds and faster launch time and in return result in improved FCP.

That’s all for the new release.

Now, let us take a look at the possibilities that are in progress and will be available shortly.

Inlining critical styles in universal applications.

Firstly, this will result in faster applications. Loading external stylesheets is a blocking operation. This means that the browser cannot initiate rendering an application without first loading all the referenced CSS. Its FCP (First Contentful Paint) can be improved by having a render-blocking in the header of a page that can visibly improve the load performance.

Angular language service to Ivy.

To date, the Angular language service still uses the View Engine compiler and type checking even for Ivy applications. The goal is to improve the experience and to remove the legacy dependency. This will be achieved by transitioning from View Engine to Ivy. The team at Angular wants to start using the Ivy template parser and improved type checking for the Angular language service to match Angular application behaviour. This will simplify Angular, npm size reduction, and improve the framework’s maintainability.

Debugging with better angular error messages.

The error messages bring limited information on how a developer can take actions to resolve them. The Angular team is working on codes, developing guides, and other measures to ensure an easy debugging experience and make error messages more discoverable.

Better security with native Trusted Types in Angular.

In conjunction with the Google security team, the Angular team is working on adding support for the new Trusted Type API. This API will aid developers to make more secure web applications.

Optimized build speed and bundle size.

With Angular, the CLI Webpack 5 stability will continue urging for the implementation to enable build speed and bundle size improvements.

Advanced Angular Material Components.

Integrating MDC weblink will align Angular Material closely with the material design specification, expand the accessibility reach, improve component quality and improve the overall team velocity.

Faster debugging and performance profiling.

The team at Angular could focus its attention on working on tooling that will help in the provision of utilities for debugging and performance profiling. The primary aim is to help the developers understand the component structure and the means to note changes in the angular application.

MDC web is a library created by the Google Material Design team that provides reusable primitives for building material design components.

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Content Source:

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