March, 2025 | Angular Newsletter

Tree houses and Angular Day!

March 26, 2025March 26, 2025 Alain Chautard

This week, I’m attending the Microsoft Global MVP summit in the Pacific Northwest of the US, and I thought it would be a good idea to get some inspiration by writing from one of the tree houses on the Microsoft Redmond campus. So here is the view from where I’m writing this newsletter today:

I’m using the 3-2-1 format of the newsletter, posting some good content to review, updates to know about, and one question to ponder:

One video to watch:

Instead of sharing three short articles, I thought of this video from Alex Rickabaugh explaining change detection (I mean… synchronization!). I guarantee it will be a very well-spent half-hour watching it.

Two Angular updates:

Directives such as ngIf and ngFor will soon get deprecated to favor the new control flow blocks. An automated migration CLI command is already available, so don’t hesitate to use it.
Frontend Nation Angular Day with Minko Gechev (his talk is about Angular in 2025) and other Angular rock stars is tomorrow (or today, depending on when you read this!). It’s a free online event, and I’ll be speaking, too. You can still register here.

One question to think about:

Have you ever used the Angular profiler? If not, you should try it to see how much time Angular spends rendering and updating your components.

Major Angular conferences back this fall!

March 19, 2025March 19, 2025 Alain Chautard

This week, we’re back to using the 3-2-1 format of the newsletter. I’m posting a few essential articles to revisit, updates to know about, and one question to ponder:

Three short articles to revisit:

Do you know there are several types of RxJs subjects? And when to use each kind? I cover 3 of them in this article.
This tutorial is about a 4th type of Subject: WebSocketSubject for web socket connections.
Finally, a trick to emit Observable data directly into a Subject.

Two Angular updates:

ng-conf will be back this fall in the US! That is great news. On top of that, Angular Connect will be back in London, UK on September 13th 2025. Tickets are already available!

Next week on March 27th, we’ll be running Frontend Nation Angular Day with Minko Gechev, Sarah Drasner, and more GDEs and Angular team members! It’s a free, online event. Save the date now and register here.

One question to think about:

Did you know that the Angular dev tools display current Signal values? Makes it super easy to debug Angular code without breakpoints!

Angular 19.2, @defer, and the resource API

March 5, 2025March 6, 2025 Alain Chautard

This week, we’re back to using the 3-2-1 format of the newsletter. I’m posting a few essential articles to revisit, updates to know about, and one question to ponder:

Three short articles to revisit:

You probably know about lazy-loading, but have you considered using the @defer block with its prefetching and different trigger options? These features give you a lot more control over lazy-loading and don’t rely on routing at all.

Two Angular updates:

Angular 19.2 is available! It comes with quite a few interesting experimental features, such as a new httpResource (the signal-based alternative to HttpClient), a defaultValue option for resources, the ability to use JavaScript template strings in Angular templates, as well a new CLI migration to use self-closing tags: ⁠ng generate @angular/core:self-closing-tag

On March 27th, we’ll be running Frontend Nation Angular Day with Minko Gechev, Sarah Drasner, and Jessica Janiuk from the Angular team! It’s a free, online event. Save the date now and register here.

One question to think about:

Have you tried the resource API? It’s promising, and the Angular team is considering it as the solution for reactivity with Signals and without RxJs. Check out my quick tutorial here.