Worked on stabilizing Fortran module support in the byrnHDF/hdf5 repository by addressing a critical build and installation issue. Focused on build system configuration using CMake, the developer resolved missing Fortran module dependencies by ensuring the h5vfd.mod file was properly exported and copied during installation. This technical solution involved updating the CMake export list to include the necessary module, directly improving the reliability of cross-language builds. The work demonstrated attention to detail in managing build artifacts and contributed to smoother integration for Fortran users. The contribution centered on bug fixing rather than feature development, emphasizing robust build process improvements.