Thx galleon27.
Any reason to put it here now ? Related to a stand alone change ?

you can make classic houdini reference to deal with this.
Using copy parameter on the value you want to link and paste relative reference on the OGL parameter or write the path youself with something like ch("path/value")
if you look for something more complex than Diffuse/Emission/Specular at ...

Hi Juangon,
Thx for the new release, i like how parms are organized in tabs now.

I can't find the premultiply alpha parameter in the imager tabs, traditionally next to the disable partial Alpha.
Did u move it somewhere else ?

I think something is wrong here. When diving into render target HDA>NT ...

Hard to know without scene but just a guess.

Your right to check gi clamp and hot pixel removal but you can check caustic blur parameter too in this scenario.

Do you use zero value for roughness in your specular material ? In a recent project got a similar issue with a refraction intensive scene ...

Like James i'm really sorry to add more complain to this particular problem and i perfectly get that this can be tricky to resolve.
Just want to mention this post again and the test scene shipped.
https://render.otoy.com/forum/viewtopic.php?f=103&t=79742
In some way this can be related to the ...

Yeah object need to be center and normalise if possible...
look back my second post....i ve already told you how to keep your instance flag on and hide instance source at render time.

just a guess....do you have a constant flip point count....like do you simulate with reseeding off ?
If no you should sort your point count according to the id attribute to get consistent result using instance .
Oh and correct me if i m wrong but flip do not export all the needed attributes to get ...

Hi there, this problem is without doubt a real nightmare in production...even more when you are doing cars or Helicopter scene etc...
I ve just find some temp fix who could maybe be usefull to someone. This is not ideal and have some drawback but should work for many case.

In Houdini multiply the ...

test scene in the link bellow with 500000 instances.
https://www.dropbox.com/s/3neu56sz12jw8eo/InstanceWorkflow.hip?dl=1

Oh and i add some kind of Instance Color workflow to it....maybe you will have to redirect a path to your setup....
In matnet1>octane_vopnet1 set the Texture_Instance_Color1 ...

Oh and i have no idea if @instancepath works....i'm always using @instance and working like a charm.