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Mendix Cloud Platform Maintenance - Wave 5
Scheduled for Nov 13, 08:00 - 16:00 UTC
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Scheduled
Maintenance is scheduled for the application infrastructure of Mendix Cloud. The maintenance will improve the security and stability of the Mendix Cloud platform.
We normally announce maintenance two weeks in advance. This time, we are making an exception and giving shorter notice. The patches in this maintenance contain critical security fixes for recently published vulnerabilities (CVEs), and we want to apply them as soon as possible, and before the holiday season begins, to keep your applications and data protected. We apologize for any inconvenience and appreciate your understanding.
This upgrade is executed on a platform level, which means there is no flexibility in the time period, but you can move your app early yourself (see below). An 8-hour maintenance window is planned.
Start: Friday, Nov 13th, 2026, 08:00 UTC
End: Friday, Nov 13th, 2026, 16:00 UTC
Impact on Mendix apps
During the maintenance, the Runtime Engines (application instances) of your Mendix applications will be restarted on the updated application infrastructure. This is executed automatically in no specific order. To ensure continuous availability for all customer applications, the underlying infrastructure upgrades will be performed in a rolling fashion. This means the rolling upgrade process ensures no downtime for both multi-instance applications (by restarting only one Runtime Engine at a time) and single-instance applications.
While the rolling nature of these upgrades is designed to minimize impact, a small number of users might experience brief, intermittent networking disruptions or 502 errors as underlying services are rotated. These are typically temporary and self-correcting.
Moving early
If the scheduled maintenance window is inconvenient for your application, you may opt to move to the updated infrastructure ahead of time. The updated application infrastructure will be available starting Thursday, November 5th, 2026, 12:00 UTC.
Any application that is (re)deployed or restarted after this time will be scheduled on the updated infrastructure and will not be restarted again during the maintenance window. This allows you to control the timing of the restart and avoid impact during business-critical hours.
Please note that, even when moving early, a small number of users may still experience brief, intermittent 502 errors during the scheduled maintenance window due to the rotation of underlying platform services. These events are expected to be temporary and self-correcting.
We normally announce maintenance two weeks in advance. This time, we are making an exception and giving shorter notice. The patches in this maintenance contain critical security fixes for recently published vulnerabilities (CVEs), and we want to apply them as soon as possible, and before the holiday season begins, to keep your applications and data protected. We apologize for any inconvenience and appreciate your understanding.
This upgrade is executed on a platform level, which means there is no flexibility in the time period, but you can move your app early yourself (see below). An 8-hour maintenance window is planned.
Start: Friday, Nov 13th, 2026, 08:00 UTC
End: Friday, Nov 13th, 2026, 16:00 UTC
Impact on Mendix apps
During the maintenance, the Runtime Engines (application instances) of your Mendix applications will be restarted on the updated application infrastructure. This is executed automatically in no specific order. To ensure continuous availability for all customer applications, the underlying infrastructure upgrades will be performed in a rolling fashion. This means the rolling upgrade process ensures no downtime for both multi-instance applications (by restarting only one Runtime Engine at a time) and single-instance applications.
While the rolling nature of these upgrades is designed to minimize impact, a small number of users might experience brief, intermittent networking disruptions or 502 errors as underlying services are rotated. These are typically temporary and self-correcting.
Moving early
If the scheduled maintenance window is inconvenient for your application, you may opt to move to the updated infrastructure ahead of time. The updated application infrastructure will be available starting Thursday, November 5th, 2026, 12:00 UTC.
Any application that is (re)deployed or restarted after this time will be scheduled on the updated infrastructure and will not be restarted again during the maintenance window. This allows you to control the timing of the restart and avoid impact during business-critical hours.
Please note that, even when moving early, a small number of users may still experience brief, intermittent 502 errors during the scheduled maintenance window due to the rotation of underlying platform services. These events are expected to be temporary and self-correcting.
This scheduled maintenance affects: Mendix Cloud Regions (Mendix Cloud EU (Frankfurt)).