Upgrading/Migrating Ionic 2 to Ionic 3
Upgrading Ionic 2 and Angular 2 to Ionic 3 and Angular 4: https://www.djamware.com/post/58ef25ba80aca72673af8503/upgrading-ionic-2-and-angular-2-to-ionic-3-and-angular-4
Update to Ionic 3
https://forum.ionicframework.com/t/guide-how-to-update-to-ionic-3-x/87516
https://www.techiediaries.com/ionic-3-angular-4-upgrade-guide/
Announcing Ionic CLI v3
https://blog.ionic.io/announcing-ionic-cli-v3/