In January 2026, Kristijan Jozic focused on enhancing the stability of trap handling for FreeBSD on aarch64 within the Wasmer repository. He addressed a critical bug by correcting the link register assignment in the trap handler, ensuring proper context restoration during exceptions. Additionally, he streamlined the codebase by removing a redundant ucontext_t definition that was already provided by libc, reducing potential conflicts. Working primarily in Rust and leveraging his expertise in operating systems and system programming, Kristijan’s targeted improvements reduced runtime risk and improved reliability for production deployments, demonstrating a deep understanding of low-level system interactions and cross-platform compatibility.