Worked on expanding sandbox environment capabilities in the microsoft/hcsshim repository by delivering the Sandbox VHDs Without Encryption Constraints feature. This development allowed sandbox VHDs to be attached without enforcing the default encryption policy, thereby increasing flexibility in virtual environment management. The approach focused on modifying the provisioning process to relax encryption constraints, enabling broader use cases for sandbox workloads. The work was implemented using Go, leveraging system programming and virtualization expertise to ensure seamless integration with existing infrastructure. Efforts during this period centered on feature delivery and code quality improvements, with no major bug fixes addressed in the reported timeframe.