Microsoft has announced the general availability for Watermarking support on Azure Virtual Desktop, an optional protection feature to Screen Capture that acts as a deterrent for data leakage.
Watermarking, alongside screen capture protection, helps prevent sensitive information from being captured on client endpoints. When you enable watermarking, QR code watermarks appear as part of remote desktops.
The QR code contains the connection ID of a remote session that admins can use to trace the session. Watermarking is configured on session hosts and enforced by the Remote Desktop client.