Cycles feedback

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A few thoughts after reading Sept 14 meeting notes (2021-09-14 Blender Rendering Meeting).

  1. Christophe is mentioned but not MNEE, so I guess it’s not going to make it? Or is MNEE one of those things that can still be merged in bcon2 (starting next week)?
  2. The change in sampling UI panel actually changed more things than I expected, I generally agree that it is in a good direction, but I believe a lot of users will not be familiar with noise threshold and how noisy a certain threshold is supposed to be. So maybe include some example renders in the manual showing the noise levels of some important threshold numbers like 0.1 and 0.01 so people can have a reference?
  3. Also about the sampling UI, after using it for a few days I am not sure whether having the final denoise checked by default is the right choice, My personal reason is that I mostly use the Compositor Denoise node more because it generally produces better result. I noticed the render panel OIDN is catching up after the CleanAux Prefiltering implementation, but since the same can be done to the node as well, I would assume the node will take back the lead soon. So I think it makes more sense to have the render denoiser to not be checked, otherwise it would be kind of an unconscious hint for the users to not use the compositor denoise node which I believe has a better quality.
  4. Cycles X is going to be merged next week, but two of the issues I am having with Cycles X are still not adressed. The first one being this:

I included a test file in the original post.

The second one is listed in the new features and changes task but there is no mention of it in the Sept 14 meeting note:

In the task it is said that the random walk self intersection issue will be tackled for 3.0 release, but next week will be the merge, I am kind of worried, since it’s kind of sure now that Burley is not coming back (it’s written in the release note now https://wiki.blender.org/wiki/Reference/Release_Notes/3.0/Cycles).

Are these two issues part of those things that can still be fixed later on after the merge?

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