Animated Vray Provies in Grasshopper - Not moving in Interactive Rendering

I’m finding it rather difficult to work with Vray Proxies in Grasshopper animations as you can only preview them as bounding boxes (no mesh preview options?) and their movement doesn’t appear to update as you scrub through the timeline in interactive render mode? (see video link below).

2022-10-07 Vray Proxies Interactive Render.mp4 - Google Drive

I’ve just discovered the Instancer component which does seem to work with Interactive Rendering.