At least on Linux they've never allowed turning off the "blue dot" notification. Thankfully people figured out how to turn it off by hacking the JS code: https

At least on Linux they've never allowed turning off the "blue dot" notification. Thankfully people figured out how to turn it off by hacking the JS code: https://superuser.com/questions/1211975/slack-app-on-linux-how-to-disable-the-blue-circle-icon-on-channel-activity https://superuser.com/questions/1211975/slack-app-on-linux-h...