Reactions User Guide



Download Windows Installer
Installation Instructions

System Requirements

  • Windows 8.1 or later
  • Cinema 4D integration requires R20 or later
  • GPU simulation requires an Nvidia GPU with CUDA CC 3.5 or later (see
  • Redshift integration in standalone app requires Redshift v3.0.36.
    Redshift in C4D is unaffected by this requirement.


  • [C4D] Fixed hang when jumping to a frame outside the timeline bounds.
  • [C4D][Installer] Fixed: plugin registration did not work if Search Paths list is empty or multiple settings folders exist.
  • [C4D][Render] Ignore implicit default light with inactive shadows for volume scattering.
  • [C4D][UI] Attributes: map buttons and color choosers to C4D UI.
  • [C4D][Viewport] Fixed conflict with Redshift causing missing frames during drag and playback on some systems.
  • [Doc] Added Nodes / Project Velocity.
  • [GPU] Fixed error when switching between GPUs with different architectures.
  • [Render] Standalone App: upgraded to Redshift v3.0.36.
  • [Settings] Added /create/Cache Path.
  • [Settings] Added Preferences/Default Cache Base Path.
  • [Settings] Added Preferences/Performance Logging.
  • [UI] Improved incremental graph layout for non-interactive node/connection creation.
  • [UI] Volume Material: use drop-down list to select grid channels instead of text field.
  • [UI] Added cache consistency indicator in Cache Controls toolbar.
  • [UI] Hide /render nodes from Data&Stats tab.
  • [VolumeMaterial] Support vector grid channel as scattering color input.
  • [Voxelize] Added color parameter for voxelization of primitives and particle emitters to vector channels.