Currently components are reused only when only route parameters change while staying on the same route. If the route is changed, event when the new route adds the same component, the component is recreated. The preferred workaround is to keep the model in a shared service that stays alive during route changes and use the … Read more
No From the docs : When subscribing to an observable in a component, you almost always arrange to unsubscribe when the component is destroyed. There are a few exceptional observables where this is not necessary. The ActivatedRoute observables are among the exceptions. The ActivatedRoute and its observables are insulated from the Router itself. The Router … Read more
This is currently not supported. If only parameter values change but the route stays the same the component is not re-created. See also https://github.com/angular/angular/issues/9811 You can subscribe to params to get notified when the params change to re-initialize the component instance. See also https://stackoverflow.com/a/38560010/217408