Krupakar worked on targeted improvements in the apache/airflow and datahub-project/datahub repositories over a two-month period. In apache/airflow, he refined unit test warning handling by replacing generic Python DeprecationWarnings with AirflowProviderDeprecationWarning, enhancing test clarity and aligning with Airflow’s deprecation strategy without altering executor behavior. For datahub-project/datahub, he implemented Qlik Sense Scoped Ingestion using Python, enabling data retrieval by specific space IDs and eliminating full environment scans. This API integration and data ingestion work improved performance and data access speed for end users. His contributions focused on maintainability, precise warning categorization, and efficient, targeted data ingestion workflows.