Stupid question most likely: is there a up to date branch with all nvidia game works implemented at once? Blast, Hair Works, VXGI, FLOW, FLEX, WaveWorks?
. 4.17 version is a 404 error on github.
I would like to get my hands and try to build some demos and learn it 
Also I found jawdroping demo in unreal of ** GRB is there anyt version of ue4 on github with ?**