During December 2024, Luca focused on backend maintenance for the cohere-ai/cohere-compass-sdk repository, addressing a critical issue in the DocumentStatus model. He resolved a bug by updating the default value of the updated_at timestamp to None, ensuring accurate timestamp semantics and preventing misinterpretation of document updates. This targeted fix, implemented in Python, improved data integrity and reliability for downstream consumers. Luca also prepared the project for release by incrementing the version to 0.10.1, emphasizing stability and maintainability. His work demonstrated careful attention to backend development practices, prioritizing code quality and robust release processes over new feature delivery.