Aiven is currently experiencing a major incident, which began 3h ago. The vendor's full update timeline is below.
Update timeline
- investigating Jun 11, 2026, 03:25 PM UTC
Status: Investigating We have identified an issue affecting KRaft migrations during Kafka upgrades to version 3.9, and have temporarily paused those upgrades while we investigate. If you try to upgrade now, your request will be rejected with an error asking you to contact support. We will re-enable upgrades once the issue is resolved. Impact: Running Kafka services are not affected and continue to operate normally. Customers who attempt to upgrade a Kafka service to version 3.9 or later will receive an HTTP 403 error and the upgrade will not proceed. No data or service availability is impacted.