Current answer
Slack experienced a minor incident: Partial Degradation Impacting Usergroups. The last provider record was marked Resolved; its current state cannot be verified.
The notice publication date does not establish the outage start.
Looking for an update now? Check the current status, or follow Slack for future changes.
Incident Timeline
Update
Our investigation has determined that the issue is isolated to a single customer environment and is not impacting the broader service. As a result, this incident will be removed from the status page and we will continue to work directly with the affected customer to address their issue.
Jun 1, 2026 at 3:05 AM UTC
Update
We continue to investigate the issue and have identified a recent deployment as a likely trigger. Users may experience issues with user groups, including failed @mentions or groups appearing unavailable.
We are actively working on restoring functionality and will provide another update as soon as possible.
We are actively working on restoring functionality and will provide another update as soon as possible.
Jun 1, 2026 at 2:38 AM UTC
Update
We are currently investigating a partial degradation impacting usergroups. We’ll provide an update as soon as we have more information to share and are sorry for any inconvenience this issue is causing.
Jun 1, 2026 at 2:08 AM UTC
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