Lola Odelola updated the w3ctag/design-principles repository by delivering a comprehensive revision of the Web Platform Design Principles. Focusing on technical writing and web standards, she clarified guidelines to mitigate defects and avoid problematic design patterns when extending APIs. Using HTML as the primary language, Lola’s work established governance policies that require addressing design flaws in feature extensions, thereby reducing the risk of introducing defects. The update improved documentation consistency and maintainability, providing clearer onboarding and productivity benefits for developers. While no bugs were fixed this month, the depth of the feature work strengthened long-term platform reliability and design governance.