Perhaps they finally integrated the Sonore Upnp bridge into the ROON server software… I do gapless playback from Roon to my LS50W via UPnP from the beginning via the Sonore UPnP bridge. This runs as a seperate ‘app’ besides the Roon server…
https://community.roonlabs.com/t/sonoreupnp-bridge-beta/15698