Topical, because Angular 16 was just released with ... Signals.

Used in some places to simplify RxJs or not need it at all. Some, not all.

They are looking towards a future where they can get rid of Zone.js and its strategry to change detection. I see this as a step along that part.

https://blog.angular.io/angular-v16-is-here-4d7a28ec680d