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ZDT update to support multiple instances #10865

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ecec330
ZDT improvement update for M15
OlufunkeMoronfolu Mar 10, 2026
af9551a
Update release with new feature and remove k8s reference
OlufunkeMoronfolu Mar 12, 2026
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4 changes: 0 additions & 4 deletions content/en/docs/deployment/mendix-cloud-deploy/zero-downtime.md
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Expand Up @@ -19,9 +19,7 @@ With ZDT, Mendix Cloud intelligently manages the deployment process, ensuring yo
To leverage the benefits of zero-downtime deployment, your Mendix application and deployment environment must meet the following criteria:

* **Mendix runtime version** – Must be running on Mendix Runtime version 10.24 or above.
* **Application instances** – The application must be configured to run with a single runtime instance.
* **Change type** – The deployment must involve only [configuration-level changes](/developerportal/deploy/zero-downtime/#zdt-application).
* **Deployment platform** – Must be deployed on Mendix Cloud(Kubernetes).

{{% alert color="info" %}}
No special setup is required to enable ZDT. When your application and deployment meet these prerequisites, ZDT is automatically available for eligible changes.
Expand Down Expand Up @@ -71,11 +69,9 @@ During these types of updates, Mendix Cloud performs the deployment in a way tha
Zero-downtime deployment will not apply under the following conditions:

* Mendix Runtime versions below 10.24
* Application runs with more than one runtime instance
* Upgrading to a new Mendix Runtime version
* Deploying a new MDA (application model update)
* Changes involve database structure updates
{{< figure src="/attachments/deployment/mendix-cloud-deploy/zero-downtime/zdt-scaling-process.png" >}}

For these scenarios, the Cloud Portal will display the standard restart message before deployment.

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2 changes: 1 addition & 1 deletion content/en/docs/releasenotes/deployment/_index.md
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Expand Up @@ -15,7 +15,7 @@ Follow the links in the table below to see the release notes you want:

| Type of Deployment | Last Updated |
| --- | --- |
| [Mendix Cloud](/releasenotes/developer-portal/mendix-cloud/) | March 8, 2026 |
| [Mendix Cloud](/releasenotes/developer-portal/mendix-cloud/) | March 15, 2026 |
| [Mendix on Kubernetes](/releasenotes/developer-portal/mendix-for-private-cloud/) | February 5, 2026 |
| [Mendix on Azure](/releasenotes/developer-portal/mendix-on-azure/) | January 29, 2026 |
| [SAP Business Technology Platform (SAP BTP)](/releasenotes/developer-portal/sap-cloud-platform/) | September 28, 2025 |
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10 changes: 10 additions & 0 deletions content/en/docs/releasenotes/deployment/mendix-cloud/2026.md
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Expand Up @@ -8,6 +8,16 @@ weight: 1

## March 2026

### March 15, 2026

#### Improvements

* [Zero-downtime deployment](/developerportal/deploy/zero-downtime/) now supports multiple runtime instances without service interruption. Previously, this feature was only available for applications with a single runtime instance.

#### New Features

* Environments on Mendix Cloud are now labeled **Unlicensed** one day after the contract expires.

### March 8, 2026

#### Deprecations
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2 changes: 1 addition & 1 deletion layouts/partials/landingpage/latest-releases.html
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Expand Up @@ -14,7 +14,7 @@ <h4 class="lp-panel-title">Latest Releases</h4>
</li>
<li class="lp-panel-list">
<a href="/releasenotes/developer-portal/deployment/">Deployment</a>
<p class="rn-date">March 8, 2026</p>
<p class="rn-date">March 15, 2026</p>
</li>
<li class="lp-panel-list">
<a href="/releasenotes/catalog/">Catalog Release 2.150.0</a>
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