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What's New in Angular 12 | Features of Angular 12

Angular 12 will be smaller, faster, and easier to use. It will be making Angular developer's life easier. The full version of Angular 12 will be released sooner.

Angular receives a large number of feature requests, both from inside Google and from the broader open-source community i.e.

1)      Potential Performance Improvements

2)      Maintenance tasks,

3)      Code refactoring

4)      And so on.

Anticipated Features and Benefits of the Angular 12 Release:

1.      Better Developer Ergonomics @angular/forms

2.      Leverage Full Framework Capabilities with Zone.js Opt-Out

3.      Reducing Framework Overheard by Removing Legacy

4.      Improve Test Times and Automatic Test Environment Tear Down

5.      Support Adding Directives to Host Elements

6.      Revamp performance dashboards to detect regressions

7.      Simplified Angular Mental Model with Optional NgModules

8.      Update our e2e testing strategy

9.      Ergonomic Component Level Code-Splitting APIs

10.   Improve Build Performance With ngc as a tsc Plug-In Distribution

11.   Offer Google engineers better integration with Angular and Google's internal server stack

12.   Improved developer on-boarding with refreshed introductory documentation

13.   Faster apps by inlining critical styles in Universal applications

14.   Increased security with native Trusted Types in Angular

Better developer ergonomics with strict typing for @angular/forms:

The stricter type checking in the reactive forms will allow us:

1)      To catch more issues during development time

2)      To enable better text editor and IDE support

3)      To improve the type checking for reactive forms

Leverage full framework capabilities with Zone.js opt-out:

The Zone.js opt-out will be simplifies the framework, improve debugging, and reduce application bundle size.  

Additionally, this will also allow us to take advantage of native async and await syntax, which currently Zone.js does not support.

Reduce framework overhead by removing legacy View Engine:

After the transition of all our internal tooling to Ivy has completed, we have the implemented the following:

1)      Remove the legacy View Engine for smaller Angular conceptual overhead

2)      Smaller package size

3)      Lower maintenance cost

4)      Lower complexity of the codebase

Improved test times and debugging with automatic test environment tear down:

To improve test time and create better isolation across tests and change TestBed to automatically clean up and tear down the test environment after each test run.

Improved build performance with ngc as a tsc plugin distribution:

Distributing the Angular compiler as a plugin of the TypeScript compiler will substantially improve developers' build performance and reduce maintenance costs.

Support adding directives to host elements:

A long-standing feature request is to add the ability to add directives to host elements. The feature will allow us to augment their own components with additional behaviours without using inheritance.

Simplified Angular mental model with optional NgModules:

The NgModules is an optional and it allows us to develop standalone components and implement an alternative API for declaring the component’s compilation scope.

Ergonomic component level code-splitting APIs:

A common problem of the all web applications is their slow initial load time. A way to improve it is to apply more granular code-splitting on a component level.

Other capabilities eyed for Angular 12 include:

1.      Support for inline Sass in components

2.      CLI use of strict mode by default for new projects

3.      A new version of the Ivy language service that provides improved type checking

4.      Tearing down the test module and environment after each test and the revision would significantly improve test speed

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What's New in Angular 12 | Features of Angular 12


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