It is specifically tuned for environments like Citrix Workspace and VMware Horizon . Installation & Maintenance Best Practices

If the versions are incompatible or the plugin is missing, Zoom will enter "Fallback Mode," where it processes media on the server, which can significantly degrade performance. VDI releases and downloads - Zoom Support

Always ensure the VDI plugin version on your local device is equal to or less than the version of the VDI Host Installer on the server. Installation Order:

Zoom has transitioned to a Universal Installer that supports multiple platforms, including Citrix, VMware, Azure Virtual Desktop (AVD), Amazon WorkSpaces, and HP Anyware.

These are separate files installed on the local machine (thin client or home PC) used to access the virtual desktop. Why You Need the VDI-Specific Installer

Using the regular Zoom app in a virtualized environment often leads to poor video quality and high CPU usage on the server. The VDI host installer enables: