XmlnsPrefix must map to the same url as XmlnsDefinition
ProprietaryFlags an [assembly: XmlnsPrefix] with no [assembly: XmlnsDefinition] for the same XAML namespace URL, and the other way round. The two attributes are correlated across the whole assembly rather than within a single file.
OpenRewrite. Recipes. CSharp. CodeQuality. Wpf. FindXmlnsPrefixDefinitionMismatchmod run . --recipe= OpenRewrite. Recipes. CSharp. CodeQuality. Wpf. FindXmlnsPrefixDefinitionMismatchInstall it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.