C4DtoA 2.1版本开始不再支持C4D R16，增加支持C4D R19，如果安装后C4D 打不开，请先卸载插件，然后把C4D更新到最新版本，最后重新安装插件即可

全新的2.0版本，使用Arnold 5.0.1.3 核心，新增加多种Shader材质，VR摄像机，OSL shader，灯光等大量功能和性能提升

功能增加:

Support added for the LOD object in CINEMA 4D R19

性能提升:

Add ‘connect shaders’ command to the network editor

Add ‘create reference’ command to the network editor

Add shortcut to setup a displacement and viewport root shader

Duplicate a shader with its inputs in the network editor

Add mute & solo mode to the Light Manager

Add selected lights to a newly created group in the Light Manager

Edit all selected lights in the Light Manager

Bug修复：

Wrong layout in the Light Manager when closing a light group in the tree

Texture is locked in the Team Render client

Memory leak in Turbulence FD

Crash when translating a mesh light while Arnold IPR is running

Crash when the IPR is docked in a custom layout

Frontal projection is wrong in indirect