It can be downloaded from Autodesk Github here: https://github.com/Autodesk/sitoa/releases/tag/5.4.0
Highlights:
- Arnold GPU (5.3.0 and 5.4.0)
- Operators (5.3.0)
- New better Progressive and Adaptive AA (5.3.0 and 5.4.0)
- Visible area lights (5.3.0)
- Smart opaque (5.3.0)
- clip_geo shader
Some nice bugs fixed as well. Complete release notes can be read at the above Github link.
Again most of the development is done by me (Jens Lindgren) with help from Steven Caron and Stefano Jannuzzo. And Thomas Volkmann did some light testing on Linux.
Also thanks to rray that found the fix for the AdLM patch so quickly.