Slack experienced a minor incident on June 3, 2026 affecting Connectivity and Messaging, lasting 48m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 03, 2026, 12:58 AM UTC
We're investigating a new incident. Current impact to end users: Some users may be experiencing trouble loading or connecting to Slack. We're on the case.We'll provide an update within 30 minutes including further details on current actions being taken.
- investigating Jun 03, 2026, 01:38 AM UTC
Our work on this issue is still ongoing. Current status and actions being taken: we're investigating an issue where some Slack users are experiencing thread loading, client booting, and message delivery failures. We've identified several potential contributing factors and are working to confirm the root cause. Further updates will be shared as the investigation continues.We'll provide another update in 30 minutes until the impact is resolved for all users.
- resolved Jun 03, 2026, 01:47 AM UTC
This issue is now resolved for all users. Current status and recent actions taken: we've resolved the issue where some Slack users may have experienced message send failures and thread loading issues. We identified and addressed the root cause, and services have been fully restored.We apologize for any disruptions to your day.