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Update OpenPBR Surface to v1.1.2 - #3124
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jstone-lucasfilm merged 1 commit intoOct 28, 2026
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This changelist updates the version of `open_pbr_surface` to 1.1.2, matching the upcoming OpenPBR release, and integrates two upstream UI name changes for `transmission_scatter_anisotropy` and `subsurface_scatter_anisotropy`, clarifying that these inputs control phase function anisotropy.
AdrienHerubel
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Oct 28, 2026
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Looks good to me, the only discrepancy with the upcoming OpenPBR release is the use of the new mincomponent node which might require further alignment on the OpenPBR side but not blocking I think.
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Thanks @AdrienHerubel! Yes, since the |
jstone-lucasfilm
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Oct 28, 2026
Bumps the OpenPBR version to 1.1.2: - `reference/open_pbr_surface.mtlx`: node definition `version="1.1.2"`. - `index.html`: specification header set to v1.1.2, dated 2026-10-28 (to be adjusted to the actual release date if needed). - `CHANGELOG.md`: adds this change to the 1.1.2 section. This matches the MaterialX node definition submitted in AcademySoftwareFoundation/MaterialX#3124. Apart from the version, the two node definitions now only differ by whitespace and by the use of `mincomponent` on the MaterialX side, a node only available after MaterialX 1.39.5, which is intentionally not ported here to keep the reference graph compatible with released MaterialX versions.
jstone-lucasfilm
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This changelist updates the version of
open_pbr_surfaceto 1.1.2, matching the upcoming OpenPBR release, and integrates two upstream UI name changes fortransmission_scatter_anisotropyandsubsurface_scatter_anisotropy, clarifying that these inputs control phase function anisotropy.