Zakaria worked on the prettier/angular-html-parser repository, where he delivered a key user experience improvement by making the onSubmit handler asynchronous. Using TypeScript and front end development skills, he enabled form submissions to await API calls without blocking the UI, reducing perceived latency and improving responsiveness. This technical approach laid the foundation for future API-driven form flows and enhanced overall code maintainability. Zakaria also updated documentation to clarify the new async onSubmit pattern, supporting better developer onboarding. No major bugs were reported during this period, reflecting a focused and well-executed feature delivery with clear commit traceability and maintainable code changes.