During November 2024, Hubert Kubica focused on backend development for the zenml-io/zenml repository, addressing a bug in the preset stack registration process. He improved data integrity by ensuring the component name was correctly captured and stored, which enhanced the reliability and traceability of the registry flow. Using Python, he modified the registration logic to assign the correct component name, thereby reducing the risk of downstream errors caused by misnamed components. Although the work centered on a single bug fix rather than new features, it demonstrated careful attention to detail and contributed to the overall stability of the backend system.