Worked on improving build compatibility for the GridTools/gt4py repository by addressing issues related to Python 3.12 and GCC 14. Focused on upgrading the pybind11 dependency to version 3.0.3, which resolved compilation errors and stabilized Python bindings for modern toolchains. The update removed restrictive dependency locks, allowing downstream projects to benefit from upstream fixes. Efforts centered on Python development, build systems, and dependency management, with particular attention to reducing initialization errors in thread-specific storage for the cartesian stencil path. Delivered a targeted bug fix that eliminated build-time blockers, ensuring smoother integration and maintenance for Python and C++ interoperability.