January 2026: ueberdosis/tiptap delivered a targeted performance enhancement for the findDuplicates function in the extension-unique-id module. Rewrote the algorithm from O(n^2) to O(n) using Set-based lookups, delivering faster duplicate detection for large arrays and reducing CPU usage. Also performed code quality work: lint fixes (items.forEach) and added a changeset to document the change. No major bugs fixed this month; focus was on performance uplift and maintainability. Business impact: improved responsiveness in content processing, better scalability for large projects, and a healthier codebase for future enhancements. Technologies demonstrated: JavaScript/TypeScript, Set-based algorithms, refactoring for performance, linting, changeset conventions, and overall repository maintenance.