It appears that the new version of the new AdWords UI is created using Dart and Angular 2: http://news.dartlang.org/2016/03/the-new-adwords-ui-uses-dart-we-aske

It appears that the new version of the new AdWords UI is created using Dart and Angular 2: http://news.dartlang.org/2016/03/the-new-adwords-ui-uses-dart-we-asked.html http://news.dartlang.org/2016/03/the-new-adwords-ui-uses-dar... I'm not a heavy AdWords user, so I can't say for certain that this represents all of the AdWords UI. But based on the linked interview, it sounds like they replaced a lot of GWT with Angular.