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. 

# Updating a snapshot retention period
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To update a snapshot retention period, perform the following procedure.

**To update a snapshot retention period**

1. On the Amazon Redshift Serverless console, choose **Data backup**.

1. Choose a snapshot to update.

1. Choose **Actions**, **Set manual snapshot settings.**

1. Choose a retention period. If you choose **Custom value**, choose the number of days.

1. Choose **Save changes**.