In September 2025, Zachary Johnson enhanced the MicrosoftDocs/cpp-docs repository by delivering targeted documentation that clarifies how AddressSanitizer interacts with MFC custom operator overrides. Using Markdown and leveraging his documentation skills, he detailed scenarios where AddressSanitizer may miss or misclassify errors such as alloc_dealloc_mismatch and heap-buffer-overflow due to MFC’s memory management patterns. His work enumerated these edge cases and provided actionable guidance for developers diagnosing sanitizer-related issues in MFC contexts. The update, delivered through two focused commits, improved the depth and clarity of the ASan known-issues documentation, ultimately reducing triage time and supporting documentation-quality objectives.