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 January 27, 2026 In Case You Missed It: Policy Updates January 26, 2026 Available Now in Broad Production: UAD 3.6 and Forms Redesign December 18, 2025 Controlling For Collateral Defects
