Jackell contributed to the Esri/DirectXShaderCompiler repository by developing Shader Model 6.10 enhancements focused on expanding group wave and shared memory capabilities. Using C++ and HLSL, Jackell implemented the GetGroupWaveIndex and GetGroupWaveCount intrinsics, which provide shader developers with improved control and information retrieval within thread groups. Additionally, Jackell introduced the GroupSharedLimit attribute, enabling safer and more efficient memory usage by constraining group shared memory with built-in validation for Compute, Amp, and Mesh shaders. The work demonstrated a deep understanding of graphics programming and shader development, addressing both performance and safety in shader execution environments within a single feature release.