In November 2024, Aleksandr focused on front-end development for the apache/zeppelin repository, addressing a user experience issue in the note import workflow. He fixed a bug in the Zeppelin UI file importer by updating the accept attribute in the HTML, enabling the application to recognize and import .zpln files directly. This change improved file compatibility and reduced user friction, aligning with product goals. Aleksandr validated the solution with targeted UI tests to ensure no regressions in existing import formats. His work, though limited in scope, demonstrated attention to user needs and a methodical approach to maintaining product stability and usability.