Angular 1.x is not listed in https://update.angular.io/ https://update.angular.io/. Additionally, there was no initial update path between Angular 1 and Angula

Angular 1.x is not listed in https://update.angular.io/ https://update.angular.io/. Additionally, there was no initial update path between Angular 1 and Angular 2 until the community cried foul. It's been a while, but after they finally released an Angular 1 to Angular 2 bridge, I read several tutorials and books that discussed the upgrade path but said to absolutely not use it in production. It would kill the performance of your app. That sort of made the value of an Angular 1 to Angular 2 bridge pretty weak. If one were to migrate to Angular 2, it would seem more time efficient to just to start fresh rather than spend time on a wonky bridge between the two frameworks.