We'd love to see this as well. Netbooting stateless Linux-based zoom room clients would be a dream to manage! Windows/MacOS management has comparatively a lot more overhead.
To close the loop on this for now, ZR on Linux is not available today and is not on any publicly posted roadmap (or anecdotal goal list), according to a number of Rooms/Spaces employees at Zoom. ‘Too niche’ today.