This extension uses outdated authentication. If you use it, GitHub will spam your email every 3 days as long as the application queries their backend:

Please use the Authorization HTTP header instead, as using the `access_token` query parameter is deprecated and will be removed July 1st, 2020.

The extension's webpage seems dead as well. I guess it is no longer maintained.

Does not require excessive permissions like other extensions

Just started using this. Seems good so far, but time will tell. I'm writing this to make people aware of a potential issue, though. When I copy/pasted the generated token, it had a space at the beginning. This caused the extension to not work. Users: double-check your pasted token. Developer: perhaps you can trim the token input to remove surrounding spaces.

Don't know why I cannot get this to work. I expected to have a number aside the icon. But even when my inbox has more than 1 notifications, the icon is a still plain icon.

I have already create the token and save to the extension.

And now with my two minor grips addressed, so 5 stars!