I usually compile the engine from GitHub, but I decided to give it a shot with 4.4 and found out that’s all my efforts to make GEngine point to something fails. You know, as in
According to the IWYU (include what you use) page, you’re supposed to include “Engine/Engine.h” for the new streamlined header. While both the include you gave and “Engine/Engine.h” work now, you’re probably better protected from future changes in file location by using “Engine/Engine.h” since the module owner could move the file around without breaking anyone.