Created on behalf of the customer from Community Support post:

https://community.atlassian.com/t5/Questions-for-Confluence/Is-it-possible-to-get-the-notifications-bar-similar-to-what/qaq-p/1064972

e.g. this on StackOverflow:

This shows change in reputation points, and any of my questions that have new answers/comments or answers that have new comments.

We're trialling CQ and I feel that this is a vital ingredient that is missing that will stop our usage from gaining the critical mass to be a success.

Without this, users have to hunt around for these things, which a lot of users won't do.  They also won't read the notification e-mails as our company already drowns in automated e-mails!