Jan Justin van Tonder focused on stability improvements across the chaotic-cx/nyx and helix-editor/helix repositories, addressing two critical bugs that impacted developer workflows and production reliability. In chaotic-cx/nyx, Jan resolved issues with symbolic link integrity for grammar artifacts by adjusting symlink creation to reference the correct parser artifact, preventing broken links in helix_git. For helix-editor/helix, Jan enhanced the robustness of grammar health checks, ensuring accurate reporting when parser configurations or grammar paths are missing. These contributions, implemented using Rust and Nix with an emphasis on build systems and system configuration, improved build reliability and streamlined error triage for the teams involved.