Slack experienced a minor incident on March 26, 2026 affecting Connectivity and Notifications, lasting 55m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 26, 2026, 03:40 PM UTC
We are aware of an issue impacting Slack. As a result, some customers may be unable to load certain features, including activity and notification badge counts, and may encounter errors when using the service. We are working to resolve this as our highest priority, and we'll provide another update in 30 minutes.
- investigating Mar 26, 2026, 04:07 PM UTC
The team is investigating the issue and have rolled back a recent feature change to reduce load on affected systems. We are also actively increasing infrastructure capacity to restore normal service levels. We'll provide an update in 30 minutes or sooner if additional information becomes available.
- resolved Mar 26, 2026, 04:36 PM UTC
Intermittent errors when sending messages have been resolved. Additionally, some customers may see inaccurate notification badge counts which can be resolved with a hard reload to clear temporary local cache. Apologies for the trouble today and thank you for your patience.