Thaddeus Letnes focused on foundational API safety and resource management in the intel/vpl-gpu-rt repository, where he developed scaffolding for the MFXVideo API to enforce the rule of three in C++. By adding stubs for the copy constructor and copy assignment operator, he addressed potential issues with accidental copying and laid the groundwork for robust, RAII-based resource management. His work centered on object-oriented programming principles, aiming to improve long-term stability and maintainability. Although no bugs were fixed during this period, Thaddeus’s contributions established a clear path for safer API usage and future architectural refactoring within the codebase.