# Slack: Partial Degradation Impacting Usergroups

> Slack status incident “Partial Degradation Impacting Usergroups” on 2026-06-01: impact minor (vendor’s label), 57 min, 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/slack/incidents/1558
Last updated: 2026-06-01T03:05:22Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-06-01 02:08 UTC · Resolved: 2026-06-01 03:05 UTC · Duration: 57 min
- Updates: 3
- [Vendor status page: https://slack-status.com/2026-05/8f583746d60de2fc](https://slack-status.com/2026-05/8f583746d60de2fc)
- [Company: Slack](https://rewindex.com/company/slack.md)

## Timeline of updates

- **update** 2026-06-01 02:08 UTC: 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.
- **update** 2026-06-01 02:38 UTC: 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.
- **resolved** 2026-06-01 03:05 UTC: 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.

## Cite this

Status incident (vendor impact label: minor) posted by Slack, started 2026-06-01 02:08 UTC, resolved after 57 min, 3 update(s).

- Canonical URL: https://rewindex.com/company/slack/incidents/1558
- Citation: Slack, “Partial Degradation Impacting Usergroups” (2026-06-01 02:08 UTC). Archived by Rewindex: https://rewindex.com/company/slack/incidents/1558 (CC BY 4.0).
- Markdown link: `[Slack: Partial Degradation Impacting Usergroups (2026-06-01)](https://rewindex.com/company/slack/incidents/1558)`


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Canonical: https://rewindex.com/company/slack/incidents/1558 · Markdown: https://rewindex.com/company/slack/incidents/1558.md · JSON: https://rewindex.com/api/v1/companies/slack/incidents/1558 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:02:44.849Z