During April 2026, Abhigyan Patwari focused on enhancing the stability and scalability of AST analysis for large PHP files in the GitNexus repository. He addressed a stack overflow issue in the analysis pipeline by refactoring the AST traversal logic from recursive functions to iterative loops, which improved both reliability and performance when processing extensive codebases. Working primarily with JavaScript, TypeScript, and PHP, Abhigyan’s solution enabled more scalable and maintainable analysis of large repositories. This work demonstrated a deep understanding of AST traversal and full stack development, resulting in a robust foundation for future improvements in large-scale PHP file analysis.