Here it is with deformation MB enabled:
untitled1.jpg

and here without:
untitled2.jpg

obviously fluids motion vectors are not very exact because the topology changes on every frame and the motion vectors are interpolated from a vector field. That leads to visible breakups on smooth surfaces. I ...

ok sorry for the trouble, updated houdini to 15.5 and now it works!

Could you implement a shutter offset for motionblur? Or is there such an option somewhere already?
Yesterday I tried to render a meshed fluid with motionblur, which made the initially smooth surface really noisy because the velocity vectors on the fluid mesh were a bit messy and the mesh got ...

the problem is, that it doesnt let me add the octane parameters to instancer nodes. works with other geometry nodes but not the instancer node.
Version is 3.00.20, maybe I have to update.

How can I render particles with motion blur? when I turn on instance motion blur in the render node, it tells me to add octane obj spare parameters to the instance node, but they dont appear when I click the corresponding button. Only on non-instance geometry nodes. Is this a bug?

Whats the plan when to release this functionality? Do you have a beta planned? Would definitely trade stability for attribute access