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 October 8, 2025 Announcement SEL-2025-08: Selling Guide Updates October 1, 2025 Lender Letter LL-2025-03 Impact of Federal Government Shutdown September 30, 2025 Understand Top Defects to Help Strengthen Loan Quality