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Introduction
AWS CloudFormation customers often inquire about the behind-the-scenes process of provisioning resources and why certain resources or stacks take longer to provision compared to the AWS Management Console or AWS Command Line Interface (AWS CLI). In this post, we will delve into the various factors affecting resource provisioning in CloudFormation, specifically focusing on resource stabilization, which allows CloudFormation and other Infrastructure as Code (IaC) tools to ensure resilient deployments. We will also introduce a new optimistic stabilization strategy that improves CloudFormation stack deployment times by up to 40% and provides greater visibility into resource provisioning through the new CONFIGURATION_COMPLETE status.