September 2025 monthly summary focusing on key accomplishments in microsoft/codeql. Key feature delivered was the Java XSS Prevention Documentation Update including renaming an existing qhelp file and adding a new file with a 'Good' example, plus expanded recommendations and references for preventing XSS in Java web applications. No major bugs fixed in this scope. Overall impact: improved security guidance for Java web apps, clearer maintainability of documentation, and strengthened CodeQL developer experience. Technologies/skills demonstrated: qhelp tooling, secure coding documentation, commit-driven development, and Java security best practices.

Monthly summary for 2025-08: Delivered enhancements to CodeQL's Java static analysis by extending remote data flow capabilities for Jakarta Servlet-based web applications. Implemented remote source extensions and library models to improve tracking of data originating from remote sources and to strengthen vulnerability detection. Commits: a8889ff0569096e7ed5ae0f49f87cc5d44528ae4 (add extensions for remote sources) and d84e5319c31c203d2b03b0ca96a57f72d863b532 (changenote). No major bug fixes were reported this month; the focus was on delivering robust feature work and improving maintainability. Impact: higher accuracy in identifying remote-origin data leaks, reduced risk exposure for Jakarta Servlet applications, and a stronger foundation for future analysis extensions. Technologies/skills demonstrated: Java, CodeQL extension framework, remote source modeling, library modeling, static analysis, changenote documentation.

May 2025 monthly summary for repository github/codeql focusing on ASP.NET Core test infrastructure improvements and test stability. Delivered enhancements to test infrastructure, corrected stubs, and reinforced security data flow analysis coverage for ASP.NET Core apps.

April 2025 monthly summary for microsoft/codeql focusing on delivering static analysis enhancements through new library stubs and preparing for deeper .NET framework coverage.