HDR types can be shown by skins with the next Kodi version (Nexus): https://github.com/xbmc/xbmc/pull/19983
Atmos tracks can already be shown in media views, but it needs the workaround via file names: The OSMC Skin
Unfortunately, there’s not much more we can do about this as all of this is relying on Kodi offering this information to skins and thus also our own OSMC Skin. For some reason nobody at Team Kodi could tell me why Kodi only knows about the core track and not about the 3D audio metadata…