Worked on stabilizing build processes in the spack/spack-packages repository by addressing GCC 15 compatibility for Sparse and updating Goma to newer versions. Focused on maintaining reliable, reproducible builds with modern compilers, the work involved implementing header and flag adjustments in package recipes and consolidating version bumps. Utilized C, Makefile, and Python to ensure that build configurations met new compiler and toolchain requirements, reducing maintenance overhead for downstream users. The contributions centered on bug fixing rather than feature development, with a single consolidated patch that improved build stability and kept dependencies current for users relying on the Spack package ecosystem.