Yeah, it doesn't seem to work, i think I've reported this... NVM, I export igmesh by rendering, copying mesh and renaming.

That's pretty odd, I can render when igmesh is assigned and is not, just from linked geometry and now linked groups without problems. I've just made test on fresh blender/blendigo install and it works fine.

Are you talking about linked igmesh? Here is my workflow:
https://www.indigorenderer.com/forum/vi ... 19&t=14056
Or maybe you mean something else?

Zom-B wrote:Save untonemapped EXR for full 32bit Range and no Clipping.

My bad here, I should have written "clip visually in unpleasant way". Sure, linear exr gives full dynamic range.

Linear gives perfect color as @Zom-B said, but unfortunatelly will badly clip highlights. When you alter tone curve during post-production like using S-curve, hues will change, mainly blue and yellow. To get perfect hues you either need use LUTs, correct every hue range by hand or use hue preserving...

Group instances work! Yay! Maybe it's worth adding features from: https://www.indigorenderer.com/forum/viewtopic.php?f=8&t=13432 Attached is a version with the changes discussed above: Added Advanced Render Settings Added Emission Scale to External Material Added Null Material to Material Types

I'm trying to build external leaf material database and usually set roughness about 0.7.

That's indeed good doc. I was looking for plants IOR for really long and that made my day. Best part is that knowing difference between live and dead leaf one can control reflection pretty accurate. When used first time it seems that leaves are too reflective with 1.45, but it's ok for sure. That 1....

I think, that making IOR 1.45 for fresh and 1.55 for dry is pretty accurate.
Take a look:
https://www.indigorenderer.com/forum/vi ... 23&t=14146

I've asked for ryzen benchmark @ tomshardware forum. Thanks to user dgothi:
https://photos.google.com/share/AF1QipM ... hSWlkyd093
Ryzen 1700: 0.731 1.442

So...
It seems AVX doesn't matter at all!
https://prohardver.hu/teszt/amd_ryzen_7 ... rites.html

It seems like preview is still adjusted "a little"

I think it's worth stripping scene and sending to devs.

Camera in wall? I mean very close to wall so maybe precision issue.

Just guessing: windows updated drivers by itself?