Home Single-Family News Center Desktop Underwriter Version 11 Release Notes February 11, 2021 Desktop Underwriter Version 11 Release Notes During the weekend of March 13, 2021, Fannie Mae will implement Desktop Underwriter® (DU®) Version 11.0. Read the release notes for more information. Download release notes Recent News June 4, 2025 Announcement SEL-2025-04: Selling Guide Updates May 21, 2025 In Case You Missed It: Policy Updates May 20, 2025 ULDD Phase 5 (5.1.0) Specification Release