Just checking, is motion blur broken on the liquid mesh 
Just tried meshing it with Frost instead, still no joy. Velocity etc is exported.
Vray 3.60.04
Phx: v3.10.01 Nightly, Build ID: 2018030728102 for 3ds Max 2017 from Mar 7 2018
Huh, can you send a scene with that? Seems to be working with a simple setup here.
Sure… I hope I’m not doing something so obviously wrong 
https://www.dropbox.com/s/ubbsbx2xv3u3mmt/phx\_cooling.max?dl=0
Nicked the rocks and light from the lava scene but the grid is a fresh.
Ohhh yess, this is and issue we’ve found recently - seems like the grid texture plugged in the material is at fault for it somehow. Gonna update you when I know more…
ah ha yes, never thought of trying a different material
Hey, this will finally be fixed in tomorrow’s nightly
Cheers!
Nice one thanks 