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 July 29, 2026 Fannie Mae Reports Net Income of $4.0 Billion for Second Quarter 2026 July 27, 2026 Updated UCD v2.0 Resources Available June 29, 2026 Understand Top Defects to Help Strengthen Loan Quality
