During November 2024, Daniel Futschik focused on stabilizing the google/xls repository by addressing a critical compatibility issue in the LLVM JIT compilation path. He updated the AbsoluteSymbols import within orc_jit.cc to accommodate recent internal relocations in LLVM, specifically targeting build failures under MemorySanitizer. Working primarily in C++ and leveraging his expertise in JIT compilation and LLVM internals, Daniel’s fix ensured that sanitizer-enabled builds remained stable and compatible with evolving LLVM structures. By maintaining backward compatibility and avoiding API changes, his work reduced downstream build risks and contributed to smoother continuous integration cycles for the project’s ongoing development.