Mendix experienced a minor incident on September 2, 2026 affecting Mendix Cloud US-East and Mendix Cloud EU (Frankfurt) and 1 more component, lasting 13d 2h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 02, 2026, 12:31 PM UTC
We are getting reports from customers who are experiencing performance degradation of their application after its database was upgraded to a higher PostgreSQL version.
- investigating Sep 04, 2026, 01:01 PM UTC
We are getting reports from customers who are experiencing performance degradation of their application after its database was upgraded to a higher PostgreSQL version. Based on the reports we received we have decided to postpone the PostgreSQL17 maintenance until further notice.
- investigating Sep 07, 2026, 03:12 PM UTC
We are continuing to investigate the issue. We have determined that currently no more than 0.07% of deployed environments are affected, and customers of those affected environments are already in contact with our Support dept. As mentioned in the previous update; we have decided to postpone the PostgreSQL maintenance until further notice. Customers for whom the maintenance was postponed will be notified no less than 2 weeks in advance before maintenance will be resumed.
- resolved Sep 15, 2026, 03:03 PM UTC
This incident is resolved. A workaround is available for the performance degradation reported after the PostgreSQL upgrade. Our Support department is in direct contact with each affected customer. As previously communicated, the platform-wide PostgreSQL 17 maintenance remains postponed until further notice. Customers whose maintenance was postponed will be notified no less than two weeks in advance before it is resumed. There is no platform-wide impact, and all components have been returned to operational.