During November 2024, Ankertał Kajtoch focused on enhancing the reliability of Discover visualizations in the tkajtoch/kibana repository. They addressed rendering errors by implementing a data view configuration validation for the UnifiedHistogram component, ensuring Discover-Lens integrations no longer failed due to invalid configurations. To improve test stability, Ankertał adopted the waitFor utility from @testing-library/react, allowing asynchronous operations in UnifiedDataTable tests to complete before assertions, which reduced flaky test runs. Working primarily with JavaScript, TypeScript, and React, Ankertał’s contributions deepened test coverage and enabled more predictable releases by unblocking and re-enabling the Discover-Lens functional test suite.