Slack Real-Time Connection Disruption

Summary

Slack Real-Time Connection Disruption

<p>Some Slack customers experienced disrupted real-time connections, delayed message delivery, and errors loading conversation history on October 22, 2026, starting at 16:08 UTC. A large number of active connections closed at once and then reconnected, which briefly strained the services customers rely on to send and read messages. By 16:26 UTC, connections had reconnected and service had returned to normal. We apologize for how this incident affected you and your business. We will undertake a full investigation of the incident, establishing the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.</p>

• Started

  Oct 22, 2026 · 11:50 AM

• Resolved

  Oct 22, 2026 · 11:50 AM

• Duration

  < 1m

• Severity

  Minor

• ◐

  Investigating

  Oct 22 · 11:50 AM Slack

  <p>Some Slack customers experienced disrupted real-time connections, delayed message delivery, and errors loading conversation history on October 22, 2026, starting at 16:08 UTC. A large number of active connections closed at once and then reconnected, which briefly strained the services customers rely on to send and read messages. By 16:26 UTC, connections had reconnected and service had returned to normal. We apologize for how this incident affected you and your business. We will undertake a full investigation of the incident, establishing the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.</p>

• ✓

  Resolved

  Oct 22 · 11:50 AM Slack

  Incident resolved.