During June 2025, Narukoshin focused on improving the reliability of date input modals in the RocketChat.Rocket.Chat.ReactNative repository. He addressed a persistent bug in the UIKit date picker by refactoring the initialization logic, specifically renaming the initial_date property to initialDate in both DatePicker.tsx and interfaces.ts. This change ensured that the date picker consistently referenced the correct initial value, reducing user confusion and preventing incorrect date selections. Working primarily with JavaScript, TypeScript, and React Native, Narukoshin’s targeted fix enhanced the maintainability of the codebase and contributed to a smoother user experience without introducing new features during this period.