> Indeed, while Chrome is displaying the dialog, it blocks all Chrome extension popup windows from appearing.
We discovered this one the hard way at work. I keep learning this the hard way myself because I've been working on browser extension dev lately. I don't understand how this could possibly be an intended feature.
The interface also allow to comment, post and interact with the original HN platform. Credentials are stored locally and are never sent to any server, you can check the source code here: https://github.com/GabrielePicco/hacker-news-rich.