Hayden Gfeller worked on stabilizing RDKE builds by implementing build synchronization for pn-iarmmgrs-hal-headers within the rdkcentral/meta-rdk-halif-headers repository. Using Shell scripting and build system configuration skills, Hayden ensured the build process consistently referenced the latest specified package version and source revision, addressing reproducibility and version drift issues across RDKE environments. The approach included validating changes with CI systems and documenting the synchronization workflow to streamline future updates. Hayden’s work demonstrated careful cross-repository coordination and attention to Git best practices, resulting in a more reliable and maintainable build process for ongoing development and onboarding of build engineers.