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Incident detail

Delayed message delivery in Slack workspaces

Slack customers may experience delayed message delivery, reconnect loops, and stale read state.

Resolved incidentCritical2 affected services

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Incident updates

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  1. Investigating

    Slack began investigating delayed message delivery and reconnect loops in a subset of workspaces.

  2. Identified

    Slack identified a backend dependency issue and is working to restore normal message flow.

  3. Resolved

    Message delivery and read state fully recovered after Slack repaired the affected backend dependency.