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Release Notes: Thin Film and Blue Noise for Cycles #64

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Brecht Van Lommel merged 2 commits from LukasStockner/blender-developer-docs:cycles-thinfilm-bluenoise into main 2024-06-17 12:56:00 +02:00
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docs/release_notes/4.2/cycles.md
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@ -9,9 +9,16 @@ See the [documentation](https://docs.blender.org/manual/en/4.2/render/shader_nod
![Connecting two spaces through a portal](images/render_shader-nodes_ray-portal-bsdf_gateway-example.jpg)
![Simulating a camera feed](images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-example.jpg)
## Thin Film Interference
The Principled BSDF now supports physically accurate thin film interference effects for specular reflection and transmission. (blender/blender!118477)
Initially, this is only applied to dielectric materials, support for metallic thin film effects is planned later. Similarly, the effect is not yet supported by EEVEE.
![Simulating soap bubbles](images/thinfilm-bubbles.jpg)
## Shaders
* The Principled BSDF now supports physically accurate thin film interference effects for specular reflection and transmission. (blender/blender!118477)
* Principled Hair with the Huang model now provides more accurate results when viewing hairs close up, by dynamically switching between a near and far field model depending on the distance. (blender/blender!116094)
* Subsurface Scattering node now has a Roughness input, matching the Principled BSDF. (blender/blender!114499)

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