This is not a very reproducible bug. The user gets an Echo notification about a successful login to their account sometimes. So far the only thing I know is that this happens for fairly new accounts and the notification gets issues just once and never again.
Steps I used to reproduce this on my machine (roughly):
- Create a new account (on your local install)
- If you don't see the notification yet, log out and log in using some other browser
- Refresh a few times, do few more logouts/logins until you see the notification
Expected behavior: No web notifications for logins ever. The preference is disabled.
For the spike: Figure out why this happens and how to fix it.