Particle instancers which are not on top of hierarchy are not visible in render. Problems with render setup or legacy render layers - some objects are not visible in render. Sometimes removing from layer and assigning again works, sometimes not. Animated parameters of shaders are ...
I have the same issue.
Simple scenes and batch render stopping after 1-3 frames. The only way is render one by one frame with backburner for example which is much slower.
I think there is something wrong with shading nodes connections.
Keyed octane nodes (rgb spectrum texture or float texture which is connected for example to mix material's amount) are still have very bad influence for viewport update performance (when scrolling the timeline). Some kind of ...
Saving the scene (ctrl+s) when render view is active is causing maya crash and problems with opening saved scene again whene reference is presentin the scene. This was also happening in previous two or three builds.