Trouble with Slack - General Slack functionality issues

Slack Status · Resolved

Status

Resolved

Severity

Incident

Started

May 27, 2026 23:00 UTC

Resolved

May 28, 2026 15:24 UTC

Timeline

Resolved · Slack Status · May 28 15:22 UTC

Resolved

This issue is now resolved for all users. We apologize for any disruptions to your day. We'll undertake a full investigation of the incident, establishing the technical trigger, the mechanism of failure, and preventative measures to avoid further disruptions. 

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 14:09 UTC

Update

Slack users continue to experience permissions-related issues such as: unable to manage channels, add Canvas to tabs, update statuses, convert public to private channels while we work on a complete restoration.  We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available. 

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 13:35 UTC

Update

Remediation efforts via configuration adjustments and deployment will take several hours to complete to fully resolve channel management and status issues. Slack users may continue to experience intermittent impact.  We'll be back with another update in 30 minutes when we have news to share.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 12:55 UTC

Update

Remediation efforts via configuration adjustments and deployment are in progress. Users may still run into issues updating their status and managing channels.  We’ll provide another update in 30 minutes or as soon as we have more information, and again we are sorry for the inconvenience this is causing.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 12:25 UTC

Update

Recovery activities continue, and restoration efforts are progressing well. Slack users should now be able to edit Canvases as the errors have dropped.  We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available. 

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 28 12:01 UTC

Investigating

Our work on this issue is still ongoing. We'll be back with another update once we have news to share.

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 28 11:46 UTC

Investigating

We continue to investigate the issue, and are‌ gathering the resources necessary to restore services.  We’ll provide another update in 30 minutes or as soon as we have more information, and again we're sorry for the inconvenience this is causing.

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 28 11:17 UTC

Investigating

Users continue to experience issues with their ability to manage channels, Canvas edits not saving, and user statuses not clearing or updating correctly. Investigations are underway. The issues aren't reproducible and we're working to get the IDs to investigate further.  We're working with urgency to improve platform stability and reduce impact. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available. 

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 28 10:45 UTC

Investigating

We continue to investigate the issue and are working with urgency to improve stability and reduce impact. We’ll provide another in 30 minutes or sooner, including further details on current actions being taken. We're sorry for the inconvenience this is causing.

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 28 10:04 UTC

Investigating

We're investigating a new impact to Slack. We'll provide an update within 30 minutes including further details on current actions being taken.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 05:47 UTC

Update

Slack services have largely returned to normal operational levels. Messaging, Workflows, Apps, Integrations, APIs, and Connections have all been restored. We'll continue with the final restoration activities and we'll provide updates as significant developments occur.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 05:47 UTC

Update

Slack services have largely returned to normal operational levels. Messaging, Workflows, Apps, Integrations, APIs, and Connections have all been restored. We'll continue with the final restoration activities and we'll provide updates as significant developments occur.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 05:13 UTC

Update

Slack services continue to progress through the final stages of ‌recovery activities to restore functionality across all services. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 05:13 UTC

Update

Slack services continue to progress through the final stages of ‌recovery activities to restore functionality across all services. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 04:30 UTC

Update

Recovery activities continue, and restoration efforts are progressing well. Platform stability is improving, and no further customer impact is expected. We’ll provide an update in the next 60 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 04:30 UTC

Update

Recovery activities continue, and restoration efforts are progressing well. Platform stability is improving, and no further customer impact is expected. We’ll provide an update in the next 60 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 03:55 UTC

Update

We’re glad to inform you that the Workflow Builder job backlogs were cleared and workflow execution has returned to normal. We continue progressing through the final stages of recovery activities across affected service areas as overall platform stability improves.We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 03:55 UTC

Update

We’re glad to inform you that the Workflow Builder job backlogs were cleared and workflow execution has returned to normal. We continue progressing through the final stages of recovery activities across affected service areas as overall platform stability improves.We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 03:22 UTC

Update

Cleanup and recovery efforts continue. Workflow builder job backlogs are being drained. Event subscriptions have been re-enabled. No further impact is expected. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 02:46 UTC

Update

Workflow builder jobs that were triggered during the disruption period have been replayed and will complete over the next several hours. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available. 

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 02:17 UTC

Update

Messaging latency has now cleared. Newly triggered workflows should start and complete as normal. Workflows that executed during the impact period ending at approximately 7pm PDT may not have completed. Customers may notice delayed workflow execution for jobs that triggered during the disruption period. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available. 

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 01:41 UTC

Update

We are continuing to work on implementing fixes to fully resolve the issue. Messaging should now be recovered. Users may continue to experience issues with workflow steps completing. Empty pills instead of @-mention; delayed reacji; mismatch in Channel member count and channel membership; and slow loading of messages, user avatars, and unfurls should now all be working properly. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 28 01:03 UTC

Update

Teams continue to implement configuration adjustments and deployment fixes to resolve the issue. All features except for Workflows and Messaging should be recovered. Some lingering impact remains. Users may notice: We are working with urgency to improve platform stability and reduce impact. We’ll provide an update in the next 30 minutes or sooner, if additional information becomes available.

Trouble with Slack - General Slack functionality issues →
Update · Slack Status · May 27 23:31 UTC

Update

We continue to investigate the issue, and are‌ implementing fixes to restore services. We're starting to see some improvements from the fixes implemented so far. We’ll provide another update as soon as we have more information, and again we are sorry for the inconvenience this is causing. 

Trouble with Slack - General Slack functionality issues →
Investigating · Slack Status · May 27 23:00 UTC

Investigating

We're investigating a new incident. We'll provide an update within 30 minutes including further details on current actions being taken.

Trouble with Slack - General Slack functionality issues →