During September 2025, the developer focused on improving documentation reliability for the cBioPortal repository by addressing navigation issues in the Architecture-Overview.md file. They identified and fixed broken or outdated links using Markdown, ensuring that architecture references remained accurate and accessible for contributors. Their work centered on documentation skills, with a targeted bug fix that reduced onboarding friction for new developers by eliminating navigation blockers. Although the scope was limited to a single bug fix rather than feature development, the update enhanced the overall trustworthiness and usability of the documentation, supporting a smoother ramp-up process for future contributors to cBioPortal.