Joaquin Romo enhanced the documentation for the MongoDB Atlas FlexCluster CloudFormation resource in the mongodb/mongodbatlas-cloudformation-resources repository, focusing on improving clarity around the resource’s purpose and upgrade limitations. He authored updates in Markdown, emphasizing best practices for resource management and guiding users toward the recommended MongoDB::Atlas::Cluster resource for current flex cluster management. Joaquin also created a new example README to streamline onboarding and reduce ambiguity for developers integrating FlexCluster. His work centered on documentation quality, leveraging his expertise in technical writing and Markdown to reduce support overhead and ensure developers have clear, actionable guidance for CloudFormation resource usage.