Andrii Mokhovyk focused on improving test reliability for the Leaflet/Leaflet repository, specifically addressing issues with Safari’s Canvas redraw logic. He resolved a persistent flaky test by updating the JavaScript-based test suite to use double requestAnimationFrame calls, ensuring more accurate verification of redraw behavior in Safari. This approach reduced intermittent failures and enhanced the stability of cross-browser testing, leading to faster and more reliable CI feedback loops. Andrii’s work demonstrated a strong command of front end development and testing practices, contributing to higher deployment confidence and overall code quality, even though his contributions during the period were limited to bug fixes.