Following are the enhancements in Bentley LumenRT Update 4:
- HDR Skymaps - supports loading high-resolution HDR sky maps to use as the scene background.
- 180 Degree Stereo Rendering - output 180 degree images to support 180 degree playback devices.
- Export Panoramic Image Sequence - output a series of 360 panoramic images to support 3D walkthroughs
[Note: 360 panoramic walkthrough not included.]
- Keyframing of Sky and Clouds - the weather and cloud speed sliders are now fully animatable.
- Realtime Stereo Side-by-Side - Display 3D stereo on your computer screen if your graphic card supports this.
- 3SM Mesh Clip Volumes - support for honoring 3SM clip volumes created in MicroStation.
- 3SM URL Support - support and import 3SM meshes from the web.
- 3SM Layers - 3SMs now have their own individual layer.
Bentley LumenRT Update 3 Enhancements

Following are the enhancements in Bentley LumenRT Update 3:
- VR Headset support for Oculus Rift
- VR Headset support for HTC Vive
- 3D NVIDIA NVision display support
- Custom stereo video output for passive 3D displays
- Flicker-free large scenes
- Animated ocean water height for flooding scenarios
- Extended support for multiple scalable meshes (3SM) in LiveCubes
Bentley LumenRT Update 2 Enhancements

Following are the enhancements in Bentley LumenRT Update 2.
- 360 panoramic video output
- YouTube compatible 360 video formatting
- Support for Google Cardboard and Samsung Gear VR phone-based headsets
- Import Bentley's new Scaleable Reality Meshes
- Support for Sketchup 2017
- Support for City Engine 2016.1
Bentley LumenRT Update 1 Enhancements

Following are the enhancements for Bentley LumenRT Update 1.
- Multi-lane traffic tool
- Articulated vehicles and trains
- Staged object animation
- Object instance support for all exporters - up to 4x larger scenes
- Full UTF-8 naming and path support for internationalization