We found and fixed the problem with presence indicators. Please reload Slack (Ctrl + R or Cmd + R) to apply the fix. Sorry for the hassle.
3:40 AM PST
Our team is still investigating the cause of presence indicators not working correctly. Apologies for the confusion this has caused.
3:17 AM PST
We've received reports of presence indicators (Active/Away) not showing the correct status for some users. We're looking into it. Sorry for the trouble.
2:44 AM PST