In April 2025, Adrian Valadez focused on improving Windows remote execution reliability in the facebook/buck2-prelude repository. He addressed Windows-specific C++ compilation issues by introducing a copy_resources attribute to the sh_binary and python_bootstrap_binary rules, allowing resources to be copied instead of symlinked. This technical approach resolved symbolic link problems encountered during remote execution on Windows, ensuring correct build behavior and greater stability in Windows CI environments. Adrian utilized Python and Starlark to implement these changes, drawing on his expertise in build systems, remote execution, and Windows compatibility. His work demonstrated careful attention to platform-specific build challenges and robust engineering solutions.