Previously, you needed custom scripts and tools, or manual processes to provision or update your AWS CloudFormation stacks across multiple accounts or regions. Now, you can use a single template and CloudFormation StackSet takes care of automatically and safely provisioning, updating, or deleting stacks in multiple accounts and across multiple regions. For more information about StackSet please read our documentation here. AWS StackSet is available in all commercial regions where CloudFormation is available.

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