Tuesday August 31, 2021


Some customers may be unable to load their Slack workspace.

Issue summary:
On August 31, 2021 from around 8:04 a.m. to 9:23 a.m. PDT, approximately 1% of users experienced delays with sending messages or difficulty loading workspaces.

This connectivity issue occurred as a result of an update to our caching library. We subsequently released a fix and resolved the issue for all affected users.

4:14 PM PST

We’ve released a fix and everything is back to normal. Apologies for the earlier trouble and thank you for your patience.

9:40 AM PST

Some people are having trouble connecting to Slack. We’re investigating and will be back with an update shortly.

9:02 AM PST

Services affected