May 25, 2026—AWS CloudFormation Core Features template version 1.0.2376 introduces
a new pre-flight check tool for single-account deployments and updates IAM permissions
to support upcoming features.
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Cloud platform: AWS
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Release date: May 25, 2026
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Deployment method: CloudFormation
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New feature:
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Cloud Deployment Pre-flight Check Tool: A pre-flight check tool is now bundled with the single-account CloudFormation package. Before deploying the CloudFormation stack, run the included precheck script to validate that your AWS IAM environment has the necessary permissions.
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Enhancement:
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Updated permissions to support upcoming features.
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