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 25, 2025 Lender Letter LL-2025-04 Confirmation of Conforming Loan Limit Values 2026 November 25, 2025 In Case You Missed It: Policy Updates November 17, 2025 Enhancing Efficiency: Undisclosed Liabilities in Desktop Underwriter