@lubor_ If you need help figuring out how to get your project integrated with ue4 in an efficient manner, then you could also post on this forum. If you were a bit more transparent about your problems and why you can’t proceed, then the people that are interested in ue4 support may do research for you for free. I’ve been coming back to this forum for a while waiting for more news. I’d pitch in if it meant finishing the ue4 integration.