Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026. We will start enforcing it in phases. For more information on the details of Python end of life and migration options, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/) that was published on June 30, 2025. 

# Upgrading the release version of a cluster
<a name="upgrade-release-version-cluster"></a>

You can upgrade the release maintenance version of a cluster that has a **Release Status** value of **New release available**. When you upgrade the maintenance version, you can choose to upgrade immediately or upgrade in the next maintenance window.

**Important**  
If you upgrade immediately, your cluster is offline until the upgrade completes.

**To upgrade a cluster to a new release version**

1. Sign in to the Amazon Web Services Management Console and open the Amazon Redshift console at [https://console.amazonaws.cn/redshiftv2/](https://console.amazonaws.cn/redshiftv2/).

1. On the navigation menu, choose **Clusters**. 

1. Choose the cluster to upgrade. 

1. For **Actions**, choose **Upgrade cluster version**. The **Upgrade cluster version** page appears.

1. Follow the instructions on the page. 

1. Choose **Upgrade cluster version**.