During December 2025, the developer focused on enhancing cross-architecture compatibility for agent installation in the shellhub-io/shellhub repository. They addressed a bug by ensuring that the utilities nsenter and setpriv are installed and copied from the correct runtime stage matching the target architecture, which reduced installation errors and improved agent reliability across diverse environments. This work involved deep understanding of containerization and DevOps practices, utilizing Docker and Dockerfile to align the installation flow with multi-architecture runtime stages. The solution strengthened multi-arch support in shellhub deployments, demonstrating careful attention to deployment consistency and reliability in complex, containerized environments.