Angular 6 Material mat-select change method removed
If you're using Reactive forms you can listen for changes to the select control like so..
this.form.get('mySelectControl').valueChanges.subscribe(value => { ... do stuff ... })
The changed it from change
to selectionChange
.
<mat-select (change)="doSomething($event)">
is now
<mat-select (selectionChange)="doSomething($event)">
https://material.angular.io/components/select/api