In January 2026, Kulst focused on enhancing the stability of the NVPTX backend in the rust-lang/rust repository by addressing a critical bug related to static initializers. Using Rust and applying compiler development and static analysis expertise, Kulst implemented a strongly connected components (SCC) analysis on the mono-item graph to detect cycles among statics. This approach enabled early detection of cyclic dependencies, allowing the Rust compiler to emit errors post-monomorphization and prevent undefined behavior during LLVM code generation. The work improved GPU codegen reliability and strengthened the Rust monomorphization pipeline, demonstrating depth in both problem analysis and technical implementation.