Shubham Girdhar focused on updating the documentation for the akka/akka-sdk repository to support the migration from Google Container Registry to Google Artifact Registry. He revised onboarding materials, renamed sections, and updated IAM guidance and server URL formats to align with the latest Google Cloud Platform standards. Using his expertise in cloud services and documentation, Shubham ensured that all example links and workflow instructions reflected the new registry integration. The work, primarily using adoc for documentation, addressed potential misconfigurations and improved support readiness. While no bugs were fixed, the depth of the update provided clear, current guidance for container registry usage.