New Multi-region uptime checks and custom-domain status pages

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

Minor Impact Last reported Resolved Notice published: April 20, 2026
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Current answer

Slack experienced a minor incident: Users may experience delays due to increased load on bychan keyspace affecting system performance. The last provider record was marked Resolved; its current state cannot be verified.

Official Slack status page Current Slack status Provider update:

The notice publication date does not establish the outage start.

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Affected Components
Messaging Apps/Integrations/APIs

Incident Timeline

Update
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.
Apr 20, 2026 at 9:05 AM UTC
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