Incident: Slack Real-Time Connection Disruption

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 preve…

Slack Statusで読む

2026/10/23 03:50、Slack Statusが「Incident: Slack Real-Time Connection Disruption」を公開しました (種別: 障害・メンテナンス)。状態は「解決済み」です。関連する技術: Slack。