LumenRT Update 5 is available for testing/preview. Please keep in mind that we don't offer any guarantees about the production worthiness of this tech preview (e.g. crashing, file format changes, etc).
Here is a link to the installer:
Here is a preliminary list of new features and capabilities:
1. Text tool
2. Hot spot tool
3. Clipping by layer
4. Alternate material appearance
5. Camera switching - place camera in vehicle or target camera to an object - here is the doc for this: https://bentley.sharefile.com/d-s25a66ba24664f7ba
6. Enhanced object animation paths - non-grounded linear animation
This document is no longer at the link. Can I please get a copy?
Update 5 is already released - there is no tech preview. In fact, we are on Update 10 now. You can go into your Bentley Select account and download the latest version