During June 2025, Kuzma Domnikov focused on enhancing the stability of UI components in the gravity-ui/uikit repository, specifically addressing a critical issue with the Breadcrumbs component in React 17 environments. By carefully adjusting the order of state updates in JavaScript and TypeScript, Kuzma ensured the visibility count was set before layout recalculation, effectively preventing display errors and improving visual consistency across layouts. This targeted bug fix not only improved user experience but also reduced support costs related to navigation glitches. The work demonstrated a strong grasp of front-end development principles and contributed to more reliable, production-ready React components.