The notification center provides a single place for you to stay up-to-date on all important alerts.
See your @mentions, new rooms you are added to, and any missed calls in one list. Color is also used to differentiate notifications: @mentions appear in red, other notifications in blue (figure 1).
Figure 1 View all notifications in one place
You can filter All or Unread notifications at the top of the notification center (figure 2).
Figure 2 Filter notifications between all or unread