User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.62 Safari/537.36 Steps to reproduce: Attempt to fire a notification which accepts an inline reply from the user typing into the notification, as per the recently proposed changes to the Notifications API: Spec change pull request: https://github.com/whatwg/notifications/pull/132 Explainer: https://github.com/anitawoodruff/inline-notification-replies Actual results: Unsupported. Expected results: Web developers should be able to show notifications that let users type a reply within the notification, and this reply should be delivered back to the service worker in the notificationclick event.