Are you on our latest build, version 571? You can check this in Roon Settings -> About and both your Core and Remote need to be up-to-date to display the changed wave-form.
My setup consist of server Intel core i7 16 GB ram.linuxmintb19.3 Cinnamon and roonserver running on it.local library 4tb on USB 3.0 Allo usbridge signature running diet pi and roon ridge as endpoint.
All linked with a tplink switch .