Slack incident

Users may experience delays due to increased load on bychan keyspace affecting system performance

Minor Resolved View vendor source →

Slack experienced a minor incident on April 20, 2026 affecting Messaging and Apps/Integrations/APIs, lasting —. The incident has been resolved; the full update timeline is below.

Started
Apr 20, 2026, 09:05 AM UTC
Resolved
Apr 20, 2026, 09:05 AM UTC
Duration
—
Detected by Pingoru
Apr 20, 2026, 09:05 AM UTC

Affected components

MessagingApps/Integrations/APIs

Update timeline

  1. 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.