Jan Werbrouck focused on stability and reliability improvements in the electronicarts/gigi repository, addressing two critical bugs in C++ related to graphics programming and shader development. He resolved an issue where the editor failed to open newly created shader files by ensuring the correct file extension was applied, restoring seamless workflow for shader editing. Additionally, he fixed a crash in the rendering pipeline by clamping the UAVMipIndex to valid mipmap ranges, preventing out-of-bounds memory access during compute shader, draw call, and ray shader operations. These targeted bug fixes enhanced editor functionality and rendering reliability, reducing support overhead and improving developer productivity.