During March 2025, Alex Schmidt enhanced the rapidsai/shared-workflows repository by restoring and optimizing A100 GPU CI/CD testing. He reinstated a comprehensive A100 testing matrix, ensuring coverage across multiple Python and CUDA versions as well as operating systems. Leveraging YAML and GitHub Actions, Alex removed conditional exclusions to enable proxy caching for A100 GPU runners, which accelerated CI runs and aligned the workflow with the NVKS migration. His work improved the reliability and speed of GPU-related test feedback, reducing release risk for GPU workloads. The changes demonstrated a focused approach to CI/CD efficiency and robust workflow configuration within the project.