During July 2025, 2wontem focused on enhancing the tokenizer component of the roc-lang/roc compiler, specifically addressing the handling of single-quoted string literals. By refining the token rebuilding logic in Zig, 2wontem reduced unnecessary loop iterations and ensured the correct number of placeholder characters were inserted within quoted strings. This targeted bug fix improved the reliability of lexical analysis, minimizing edge-case parsing failures and reducing the risk of miscompilations in downstream stages. The work demonstrated a strong grasp of compiler development principles, contributing to the overall stability and correctness of the tokenizer without introducing new features during the period.