A new version of the macOS Roaming client is being made available in the dashboard (Deployments -> Roaming Clients -> Install) for download and installation. Version 1.3.2 includes support for Uninstall Notification that was introduced earlier in November.
Now admins can be alerted when the macOS roaming client is uninstalled by users. Navigating to Deployments → Roaming Clients → Settings (For MSPs: MSP -> Settings -> Roaming Clients will allow an admin to enable notifications.