Ayappan focused on improving cross-platform build reliability for the python/cpython repository, addressing a critical issue affecting AIX builds. By analyzing the build system configuration and Makefile scripts, Ayappan identified unsupported linker flags that caused failures on AIX. The solution involved modifying the linker options to ensure compatibility, restoring successful builds and reducing platform-specific churn. This work enhanced the stability of continuous integration pipelines and accelerated release cycles by minimizing post-merge build failures. Through careful documentation and linking the fix to the relevant GitHub issue, Ayappan contributed to better traceability and knowledge sharing for future cross-platform development efforts.