Monthly Summary — March 2026 (apache/airflow) Key features delivered - Spanish Localization Guidelines for Airflow: established comprehensive guidelines to ensure consistent terminology across locales, including rules on translating specific terms, keeping select terms in English, and guidelines for verb/noun usage, UI labels, and hotkeys. Implemented as docs/locales/es.md modeled after the French localization guide, with review-driven improvements. Major bugs fixed - No major bugs fixed in March. Effort focused on documentation of localization processes and establishing a scalable localization framework. Overall impact and accomplishments - Built a foundation for scalable localization, enabling Airflow to better serve Spanish-speaking users and reducing translation ambiguity. Aligns with Airflow's i18n strategy, supports faster onboarding of future locales, and provides clear governance for translations. Collaboration with external contributor slegarraga demonstrated quality and thoroughness of the guidelines. Technologies/skills demonstrated - Documentation-driven localization, i18n guidelines, global terminology governance, cross-functional collaboration, and Git-based contribution hygiene (co-authored PR). Demonstrated attention to auditability, consistency across locales, and adherence to project structure. Business value - Improves accessibility and broadens potential user base, reduces localization-related support overhead, and accelerates time-to-value for Spanish-speaking users.