The 1899 series was the first to require a mandatory update to the Siemens License Server . siemens-nx-1911-build-2501-1899-series

The information in the File > Help > About NX tab was transitioned to an HTML-based format. The 1899 series was the first to require

is specifically a Monthly Update (MU) within the 1899 series, released around March 2020. 2. Technical Profile: NX 1911 (Build 2501) siemens-nx-1911-build-2501-1899-series