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 November 12, 2025 Announcement SVC-2025-06 – Servicing Guide Update November 5, 2025 Announcement SEL-2025-09: Selling Guide Updates November 3, 2025 Testing Availability for UAD Compliance Rules Severity Level Changes