Saturday June 4, 2022

Issue summary:
On June 4, 2022 from 1:45 AM PDT until 2:49 AM PDT, some users experienced degraded performance in Slack. Users may have had trouble sending messages, viewing threads, and viewing channel history.

From our investigation, this was related to a subset of our database infrastructure reporting high error rates. We performed a configuration change and saw errors subside, which restored functionality for all affected users.

6:49 AM PST

Customers should no longer be experiencing issues with threads and messaging. Apologies for the trouble today and thank you for your patience.

3:17 AM PST

We’ve released a fix. If you’re still encountering any trouble with messaging and threads, please reload Slack using Command + Shift + R (Mac) or Ctrl + Shift + R (Windows/Linux). Thank you for your patience while we sorted out this issue.

3:01 AM PST

We’re looking into an issue with sending messages, loading threads, and viewing channel history. Thank you for bearing with us in the meantime.

2:24 AM PST