Over a two-month period, this developer contributed to both the apache/nuttx and bambulab/BambuStudio repositories, focusing on build reliability and deployment automation. For apache/nuttx, they resolved a compile-time error in C by including the necessary stm32_rcc.h header and improved repository hygiene by updating the .gitignore to exclude IDE configuration files, supporting smoother onboarding and CI stability. In bambulab/BambuStudio, they implemented an automated WinGet release publishing workflow using GitHub Actions and YAML, streamlining Windows deployment and reducing manual release steps. Their work demonstrated practical application of C programming, CI/CD, and configuration management to enhance project maintainability and release reliability.