Chenguohui focused on enhancing the ASP.NET Core runtime in the dotnet/aspnetcore repository by enabling LoongArch64 crossgen2 optimization. Their work centered on runtime optimization and build systems, specifically updating the sfxproj configuration to conditionally disable ReadyToRun compilation for certain architectures while removing LoongArch64 from the unsupported list. This approach allowed the runtime to leverage performance improvements on LoongArch64 hardware without introducing public-facing API changes. Using XML for configuration, Chenguohui aligned cross-architecture optimization with the project’s broader performance goals, delivering a targeted feature that improved platform support and scalability while maintaining stability and safety in the build process.