Slack has released an update that adds a new button to your notifications that allows you to mark a message as read.

You should see a purple bell icon and a red trash can icon. The purple bell button will mute Message notifications from that person. How to mute message notifications from a group chat Muting ...

But for me, discomfort is a dot with a number in it: 1,328 unread-message notifications ... “I let the sound of the bell and the popups rule my life.” Compulsively checking email or ...

If the Show badges on taskbar buttons or Show badges on taskbar apps option is enabled, you can see a number on the pinned apps. It denotes the number of unread notifications you have for the ...

To make sure you don't miss any notifications, you can turn on a Notification Indicator that will display a red dot on your watch face if you have unread ... and tap the button to perform the ...