
AWS CloudFormation introduces a new RetainExceptOnCreate deletion policy that protects in-use resources from accidental deletion while allowing automatic cleanup during stack rollbacks, enabling faster dev-test cycles with reduced manual intervention.


<div><p>This article announces a new CloudFormation deletion policy called RetainExceptOnCreate that provides enhanced control over resource deletion during stack operations.</p><ul><li>RetainExceptOnCreate preserves resources deleted during stack updates or deletions</li><li>Does not preserve resources deleted immediately after creation or during rollbacks</li><li>Eliminates manual cleanup after failed stack operations and rollbacks</li><li>Enables faster iteration in test environments with CI/CD automation</li><li>Reduces human error and service disruptions in production environments</li><li>Available in all AWS Regions where CloudFormation is supported</li></ul><p>RetainExceptOnCreate accelerates development-test cycles by automating resource cleanup during rollbacks while protecting in-use resources from accidental deletion.</p></div>


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