What's New in Angular 9?

Question

I tried to learn but not getting clear about the same. So anyone please send me the valuable links or points for the Angular 9 new features?

Answer 1

Added Angular 9 Features -

1. Added undecorated classes migration schematic in the core.

2. The formControlName also accepts a number in the form

3. Now allow selector-less directives as base classes in View Engine in the compiler.
4. Added support selector-less directive as base classes in Ivy and also make the Ivy compiler the default for ngc.
5. Convert all ngtsc diagnostics to ts.Diagnostics
6. bazel: support ts_library targets as entry-points for ng_package.
7. core: add dynamic queries schematic.
8. core: Mark TestBed.get as deprecated.
9. ivy: expose window.ng.getDebugNode helper and also support ng-add in localize package.
10. ivy: i18n – add syntax support for $localize metadata block.
11. ivy: i18n – reorganize entry-points for better reuse.
12. language-service: enable logging on TypeScriptHost.
13. language-service: provide diagnostic for invalid templateUrls.
14. language-service: provide diagnostics for invalid styleUrls.

Explore in Great detail What's New in Angular 9? Angular 9 New Features

Answer 2

Top 5 New Features of Angular 9 -

-Added undecorated classes migration schematic in the core.

-The formControlName also accepts a number in the form

-Now allow selector-less directives as base classes in View Engine in the compiler.

-Added support selector-less directive as base classes in Ivy and also make the Ivy compiler the default for ngc.

-Convert all ngtsc diagnostics to ts.Diagnostics

https://www.quora.com/Whats-new-in-angular-9

Following fixes in Ivy:

downsides of using Ivy in Angular?

To learn more about other feature and breaking changes:

https://jaxenter.com/angular-v9-thread-159065.html

Answer 3

The Ivy Compiler is the main feature of this release. Clearly the most insteresting change!