Tuesday December 7, 2021

Issue summary:
On December 6, 2021 from 1:37 p.m. to December 8, 1:55 p.m. PST, some customers may have detected that messages weren't loading from DMs and private channels when scrolling through their message history.


After identifying the issue to a recent change made to how the client fetches messages, we reverted these changes, which resolved the issue for all impacted users.

3:25 AM PST

We've deployed a fix, and messages from DMs and private channels should be loading properly now.

Please reload Slack, by pressing Command/Control + Shift + R.

We apologize for the disruption, and will return with an issue summary in the next 24 hours.

2:34 PM PST

We are continuing to investigate reports of messages not loading correctly in private channels and DMs. Clearing the app’s cache may resolve this in some cases.
Note: We’ve edited the wording of our previous update to more accurately reflect this issue. Messages are not missing, but may not be loading correctly.

11:23 AM PST

Some messages from DMs and private channels aren't loading. We're currently investigating, and we'll keep you posted as soon as we have more information. We're sorry for the disruption.

10:57 PM PST

Issue summary:
On December 7, 2021, from 7:37 a.m. to 4:11 p.m. PST, some customers experienced issues with certain Slack features, such as huddles, calls, workflows, sending emails to Slack, and more.

This was due to a widespread outage affecting one of our service providers, which impacted connectivity to most of their services. Our service provider has resolved the issue, and users should no longer be experiencing any trouble.

Note: We’ve edited the timestamps in this summary to reflect the accurate duration of this issue.

3:18 AM PST

We believe the issue should now be resolved for all customers. If you continue to have any trouble, please let us know via feedback@slack.com

5:43 PM PST

We're starting to see certain features recover, while others are still behaving unexpectedly. We'll be back with another update in roughly two hours unless the issue is resolved for all affected services sooner. Thank you for hanging in there!

4:25 PM PST

The investigation into this issue and resolving it remains a priority. Please continue to check our status site for any new developments or changes to this issue. We’ll be back with another update in two hours, unless new information becomes available before then. We thank you for your continued patience and hope to have things working as soon as we can.

1:48 PM PST

Our investigation of the issue is still ongoing at this time. We’ll be back with another update as soon as we can. Thank you for your continued patience while we work to resolve this.

1:15 PM PST

We are continuing to investigate and monitor issues with some of our features. Thank you for your patience while we work to resolve this.

12:44 PM PST

We are continuing to investigate issues with certain features. Thank you for your patience as we work on bringing things back online.

12:16 PM PST

We have determined that workflows, Huddles/calls, posts/files, and email ingestion are the most heavily affected here. We are continuing to work on getting back up and running as quickly as possible. Thank you for bearing with us in the meantime.

11:44 AM PST

We are continuing to investigate issues with some of our features. Thank you for your patience as we do our best to bring things back online.

10:59 AM PST

We are continuing to await more information on upstream issues. Huddles and Calls continue to be most affected. Thank you for your patience as we await a fix.

10:44 AM PST

We are continuing to monitor ongoing issues with several Slack features. An upstream issue may have been identified and we are awaiting a fix. We will keep this site updated as we know more.

10:17 AM PST

We continue to investigate the ongoing issues with several Slack features. We'll follow up when we have more information or in 30 minutes. Thanks for bearing with us.

9:48 AM PST

We're still investigating the ongoing issues with several Slack features. There's no additional information to share just yet, but we'll follow up in 30 minutes. Thanks for bearing with us.

9:15 AM PST

Some users are experiencing issues with several Slack functions currently, including Huddles, email integrations, and file uploads. We are currently investigating and will provide an update in 30 minutes.

8:42 AM PST