此次Maya更新包含了的Bug Fix，詳細的內容可以參考Maya 2015 SP3 Release Note
Mentelray for Maya也更新至mental ray 3.12.1.17
- Progressive rendering in the IPR is more responsive now, especially when finalgather is off
- Refractions and reflections are enabled for maya_volumefog
- Deforming animation in Alembic files imported using GPU Cache is fixed for batch rendering
Fixes in the mental ray core:
- Unified sampling: fixed possible crash if coverage framebuffer was used in combination with unified sampling
- Light importance sampling: reduction of noise artifacts when using point lights with non-physical falloff
- Stabilize flushing mechanism for rendering very large scenes.
Shader fixes:
- For layering material shaders (MILA), added support for back_scatter LPE pass.
