MtoA 5.3.5.1 uses Arnold 7.2.5.1. See also the MtoA 5.3.5 release notes.
Download Arnold for Maya from your Autodesk Account. See Download Arnold for more information about downloading MtoA from your Autodesk Account.
Follow these installation instructions.
MTOA-1641 - Arnold options nodes always created in maya scenes
ARNOLD-14558 - Arnold Render View not updating on changes
ARNOLD-13843 - Rare crash when deleting procedural
ARNOLD-14130 - GPU/CPU discrepancy when using bump3d and component linking
ARNOLD-14504 - [GPU] Interactive updates cause random crash in optixSbtRecordPackHeader()
ARNOLD-14537 - Rare crash when rendering the last bucket with extremely high AA and many threads
ARNOLD-14553 - [GPU] Fix "part or all of the requested memory range is already mapped" crash
ARNOLD-14574 - AiBegin in Windows is slow to return
ARNOLD-14594 - [GPU] Random crash in image shader
ARNOLD-14558 - Arnold Render View GL widget not updating
usd#1776 - Fix incorrect PointInstancer instance orientations in the render delegate.
usd#1769 - Fix curve uvs when they are vertex interpolated.
Can't find what you're looking for? Ask the community or share your knowledge.