Home Single-Family News Center ULDD Phase 5 (5.1.0) Specification Release May 20, 2025 ULDD Phase 5 (5.1.0) Specification Release We’re updating the ULDD to provide further guidance on Phase 5 data implementations based on feedback. Download announcement Recent News August 13, 2025 Announcement SVC-2025-05 – Servicing Guide Update August 6, 2025 Announcement SEL-2025-06: Selling Guide Updates July 30, 2025 Fannie Mae Reports Net Income of $3.3 Billion for Second Quarter 2025
