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release-notes/enterprise-operator/25.10.md

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With the 25.10 release, we’re introducing annual LTS releases for the Enterprise Kubernetes Operator to provide long-term stability and a predictable upgrade path. LTS releases focus on security updates and critical bug fixes and maintain CRD compatibility within the LTS release, helping teams meet SLAs and reduce operational overhead in mission-critical environments. New features will continue to ship in the rolling releases between LTS cycles, while the LTS serves as a hardened, stable baseline.
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Please refer to the [OpenShift](https://mariadb.com/docs/tools/mariadb-enterprise-operator/installation/openshift#release-channels) and helm documentation to start using LTS releases.
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Please refer to the [OpenShift](https://mariadb.com/docs/tools/mariadb-enterprise-operator/installation/openshift#release-channels) and [Helm](https://mariadb.com/docs/tools/mariadb-enterprise-operator/installation/helm#long-term-support-versions) documentation to start using LTS releases.
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### Platform and component versions
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tools/mariadb-enterprise-operator/installation/helm.md

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* `mariadb-enterprise-operator-crds`: Bundles the [CustomResourceDefinitions](https://kubernetes.io/docs/concepts/extend-kubernetes/api-extension/custom-resources/) required by the operator.
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* `mariadb-enterprise-operator`: Contains all the template manifests required to install the operator. Refer to the [operator helm values](helm.md#operator-helm-values) section for detailed information about the supported values.
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## Long-Term Support Versions
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MariaDB Enterprise Kubernetes Operator provides stable Long-Term Support (LTS) versions.
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| Version | Supported Kubernetes Versions | Description | Latest Version |
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|---------|------------------------------|-------------|--------------|
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| `latest` | `>=1.26.0-0` | The latest cutting-edge version of the MariaDB Enterprise Kubernetes Operator. | `25.10.0` |
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| `25.10` | `>=1.26.0-0 <= 1.34.0-0` | LTS 25.10. It was tested to work up to kubernetes v1.34 but newer versions may also be supported. | `25.10.0` |
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## Control-plane
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The operator extends the Kubernetes control plane and consists of the following components deployed via Helm:
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helm install mariadb-enterprise-operator-crds mariadb-enterprise-operator/mariadb-enterprise-operator-crds
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```
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If you instead wish to install a specific LTS release, you can do:
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```sh
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helm install --version "25.10.*" mariadb-enterprise-operator-crds mariadb-enterprise-operator/mariadb-enterprise-operator-crds
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```
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Where: `--version "25.10.*"` installs the most recent available release within the 25.10 series.
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## Installing the operator
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The first step is to prepare a `values.yaml` file to specify your previously configured [customer credentials](../customer-access-to-docker-mariadb-com.md#customer-credentials):
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-f values.yaml \
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--set metrics.enabled=true --set webhook.cert.certManager.enabled=true
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```
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Refer to the [operator helm values](helm.md#operator-helm-values) section for detailed information about the supported values.
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## Long-Term Support Versions
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MariaDB Enterprise Kubernetes Operator provides stable Long-Term Support (LTS) versions.
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| Version | Supported Kubernetes Versions | Description | Latest Version |
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|---------|------------------------------|-------------|--------------|
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| `25.10` | `>=1.32.0-0 <= 1.34.0-0` | LTS 25.10. It was tested to work up to kubernetes v1.34. | `25.10.0` |
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If you instead wish to install a specific LTS release, you can do:
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```diff
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```sh
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helm install --version "25.10.*" mariadb-enterprise-operator-crds mariadb-enterprise-operator/mariadb-enterprise-operator-crds
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helm install mariadb-enterprise-operator mariadb-enterprise-operator/mariadb-enterprise-operator \
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-f values.yaml \
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--set metrics.enabled=true --set webhook.cert.certManager.enabled=true
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--version "25.10.*"
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```
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Where: `--version "25.10.*"` installs the most recent available release within the 25.10 series.
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Refer to the [operator helm values](helm.md#operator-helm-values) section for detailed information about the supported values.
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## Deployment modes
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The following deployment modes are supported:

tools/mariadb-enterprise-operator/migrations/migrate-25.10.md

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helm upgrade --install mariadb-enterprise-operator mariadb-enterprise-operator/mariadb-enterprise-operator --version 25.10.0
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```
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As part of the 25.10 LTS release, we have introduced support for LTS versions. Refer to the [Helm docs](https://mariadb.com/docs/tools/mariadb-enterprise-operator/installation/helm#long-term-support-versions) for sticking to LTS versions.
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- If you are on __OpenShift__:
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