January 2025 monthly summary for getlago/lago-doc: Delivered two features enhancing financial operations and governance for self-hosted deployments. Implemented Credit Notes Filtering and Export and Audit Subscription Changes Command (Rails Console). No major bugs fixed this period. Impact: improved data accessibility, exportability, and auditability; strengthened financial workflows and deployment governance. Technologies/skills demonstrated: Ruby on Rails, Rails Console tooling, CSV export, email delivery, self-hosted deployment support, version-control discipline.

December 2024 focused on stabilizing subscription handling in lago-openapi. Delivered a critical bug fix to the ending_at field, making it nullable to support explicit null for automatic renewal, fixing incorrect end-date handling and renewal logic. This change enhances billing accuracy and API contract stability for downstream services.