I\'m using Java, Selenium, and Chrome for test automation. Our developers recently upgraded our UI from AngularJS to Angular2 (not sure if that matters). But since then, sendKey
I assume this is caused by this Angular2 issue https://github.com/angular/angular/issues/5808
Angular can't process input events when they arrive too fast.
As a workaround you would need to send single characters with a small delay between each.