Release Notes: Thin Film and Blue Noise for Cycles #64
@ -9,9 +9,16 @@ See the [documentation](https://docs.blender.org/manual/en/4.2/render/shader_nod
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![Connecting two spaces through a portal](images/render_shader-nodes_ray-portal-bsdf_gateway-example.jpg)
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![Simulating a camera feed](images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-example.jpg)
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## Thin Film Interference
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The Principled BSDF now supports physically accurate thin film interference effects for specular reflection and transmission. (blender/blender!118477)
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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.
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![Simulating soap bubbles](images/thinfilm-bubbles.jpg)
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## Shaders
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* The Principled BSDF now supports physically accurate thin film interference effects for specular reflection and transmission. (blender/blender!118477)
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* 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)
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* Subsurface Scattering node now has a Roughness input, matching the Principled BSDF. (blender/blender!114499)
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@ -22,3 +29,5 @@ See the [documentation](https://docs.blender.org/manual/en/4.2/render/shader_nod
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* OpenImageDenoise is now GPU accelerated on AMD GPUs on Windows and Linux.
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* OpenImageDenoise can now use GPU accelerated denoising for CPU renders. (blender/blender!118841)
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* Intel GPU rendering now supports host memory fallback. (blender/blender!122385)
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* Cycles now supports using blue-noise-distributed samples to improve the visual quality of renders. (blender/blender!123274)
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* New files will use this mode by default, while existing files continue to use the previous default (which is still available as an option under Sampling->Advanced->Pattern).
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docs/release_notes/4.2/images/thinfilm-bubbles.jpg
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docs/release_notes/4.2/images/thinfilm-bubbles.jpg
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