Upstash change history: QStash Service Disruption in the EU Region

Upstash reported a major QStash EU outage starting 2026-06-19 09:11 UTC; computed duration: 0 min. Its postmortem says a networking configuration change degraded outbound connectivity between 09:11 and 09:45 UTC, potentially failing initial message dispatches and causing some servers to use IPs outside the advertised outbound range. Upstash said the issue was resolved.