Brian Nutt developed a new runProgram option for the Pulumi Automation SDK in the pulumi/pulumi repository, enabling users to control execution of the workspace program during preview and up operations. This feature, implemented across Go, Python, and TypeScript, allows infrastructure changes to be safely previewed without running the full program, supporting more flexible and reliable automation workflows. Brian focused on cross-language consistency and API development, ensuring the new option behaved identically in each supported SDK. The work enhanced deployment safety and developer experience, reflecting a thoughtful approach to cloud infrastructure and DevOps challenges within a complex, multi-language codebase.