Features
- Seamless integration with Maya shapes, cameras, lights and shaders.
- Image Based Lighting support, including a state of the art physical sky.
- Interactive rendering (IPR) allows parameter changes to be rapidly previewed without interrupting your work.
- Support for volume rendering with Maya Fluids.
- Support for Maya Hair and nHair.
- Particles and nParticles support, including particle instancer.
- Defer the creation of geometry at render time with the Stand-in placeholder nodes.
- Productivity boost: override sets, holdout mattes, shadow catcher, passes, UDIM style textures, and arbitrary primvar data.
- Extensible through plug-ins (Golaem, FumeFX for Maya, Yeti, Shave & Haircut).
- XGen integration.
- Texturable geometric lights.
- Deep EXR.
- Rendering of curves.
What's New

Enhancements
Light Mixer
- A new refresh button to add / reset light group AOV's
- Light Mixer gets added to the top of the stack
File Export (.ass/.usd)
- Allow to use transform node names instead of shapes through new param in the render settings (exportDagName)

Bug Fixes
- mtoa#4385 - ARV progress bar inaccurate when using Adaptive Sampling
- mtoa#4450 - Mac & Linux: crash loading MayaUSD plugin if MtoA is already loaded
- mtoa#4462 - animated procedural in standin doesn't update in viewport, does update in render
- mtoa#4474 - Always export residual lights in the light mixer, with default values
- mtoa#4476 - Imagers : Handle Light mixer limitations elegantly
- mtoa#4477 - Invalid color management data when opening a new scene with ARV opened
- core#10355 Do not warn about loading non-Arnold Yeti libraries
- core#10334 [GPU] Deleting layers in imager_light_mixer cause GPU crashes and frame corruption
- core#10345 [GPU] Stack overflow when using wireframe with many sided polygons
- core#10306 magers imager_denoiser_noice creates black layers for AOVs not matching layer_selection
- core#10269 magers Slowdown when doing frequent imager updates
- core#7216 [OSL] Wrong hit distance returned after trace() call
- core#10316 Rare IPR hang
- core#4530 Reset texture cache stats after every render
- core#4845 Support detection of Windows version > 8.0
- usd#654 Transform is not synced for the points primitive