Worked on enhancing stability and reliability in the JanProvaznik/msbuild repository by addressing a critical bug affecting cache plugin builds. Focused on build systems and debugging using C#, the developer resolved a NullReferenceException in the terminal logger by ensuring target outputs were non-null before iteration and guaranteeing proper execution of GetTargetPath during cache hits. This targeted fix reduced crashes and improved the reliability of continuous integration pipelines, resulting in fewer build failures and more dependable logging. The work demonstrated careful attention to traceability and auditability, with all changes linked to a specific commit for clear documentation and future reference.