Slack incident
Users may experience delays due to increased load on bychan keyspace affecting system performance
Resolved on April 20, 2026, affecting Messaging and Apps/Integrations/APIs.
This issue is now resolved for all users. Current status and recent actions taken: We've completed rolling back the change to address the issue impacting core Slack functionality, including launching Slack, sending messages, loading threads, and other related actions. Scope: All Slack enterprise customers.Previous impact to end users: Users experienced issues with channel-related operations, including delays or failures when loading channels or retrieving channel membership lists. We apologize for any disruptions to your day.
Affected components
Update timeline
- resolved Apr 20, 2026, 09:05 AM UTC
This issue is now resolved for all users. Current status and recent actions taken: We've completed rolling back the change to address the issue impacting core Slack functionality, including launching Slack, sending messages, loading threads, and other related actions. Scope: All Slack enterprise customers.Previous impact to end users: Users experienced issues with channel-related operations, including delays or failures when loading channels or retrieving channel membership lists. We apologize for any disruptions to your day.
Your product runs on more than Slack
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services