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Lighting
- Fixed a crash that could occur when using light filters with light linking. RMAN-22154
- Fixed an issue that could lead to fireflies in situations with stacked lights (i.e. such as a dome light behind another light source). RMAN-21969
Geometry
- An Fixed an issue unique to 26.0 that could cause crashes on certain non-manifold subdivision mesh surfaces has been fixed. RMAN-22051
RIS
Volumes
Added caching to OpenVDB, which improves memory and speed performance in cases where the same VDB grid is used many times. (XPU already has a memory-focused variant of this optimization.) RMAN-21922
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The accuracy of an edgeTint lookup-table used by the LamaConductor bxdf in "Artistic" mode has been improved in both RIS and XPU. This can lead to slight look differences for that bxdf at grazing angles.
Blender
Fixed a bug where the field of view was not correct when resizing windows in a viewport render, and no camera exists in the scene.
- Fixed bugs related to refreshing an OSL shader via the PxrOSL shading node.
- Fixed a bug that caused integrators to use the wrong settings during IPR.
- Fixed a bug that caused instances created via geometry nodes to have the wrong material attached.