Hrvoje Kolaric focused on enhancing UI stability for the Jaspero/web-components repository, addressing a persistent display issue in the table chart component. He identified and resolved a z-index conflict in the filters row, which previously caused overlapping and inconsistent rendering across dashboards. Using CSS, HTML, and JavaScript, Hrvoje delivered a maintainable fix that improved visual consistency and reduced potential support requests related to chart rendering. The solution was well-documented and traceable through the project’s commit history. While no new features were introduced during this period, his targeted work contributed to the overall reliability and maintainability of the front-end codebase.