I run into it occasionally, but it is usually caused by plugins. If I just cannot be bothered to try to figure out which of the 100+ JS files needs to be allowed or what ublock green / red / + / - bit I have to click (I admit I have no idea what they refer to) sometimes I just quickly open the page in chrome.

Or using Google web properties: https://www.ghacks.net/2017/04/18/google-makes-the-new-googl... https://support.google.com/hangouts/answer/7334146?hl=en https://www.theverge.com/2015/2/19/8068697/google-inbox-emai... (4 months after launch)