Here is how to set notification for unread activities in slack
- First click on the profile icon in the sidebar to open the user menu
- Then click on "Preferences" menu item to access settings
- Next click on "Home" option in the left sidebar of the Preferences dialog
- Then click on the checkbox for "Show a dot on the Home icon when there is unread activity" to enable it
- Finally click on the close button to close the Preferences dialog








