There appears to be some Documentation errors on the UWidgetBlueprintLibrary. GetAllWidgetsofClass doesn’t appear to be accessible to any other class. I’ve included the “UMG”, “Slate” and “SlateCore” Modules into my projects build.cs file, but still get the following issue. This has been reported n…

Those blueprint libraries were not exported from the DLL, so you can’t link against them. I’m changing them for 4.8 to be exported.