Version 15.1.3 refined the "Coherence" mode, which hides the Windows desktop entirely:
Admins can lock down specific Windows settings to prevent end-users from compromising corporate security. 📁 Seamless Integration Features Parallels Desktop Business Edition v15.1.3-47255
Reduced lag when moving windows between macOS and the virtual environment. 🛡️ Enterprise-Grade Management Version 15
Windows launched up to 38% faster than previous iterations. Version 15.1.3 refined the "Coherence" mode
A between version 15 and the current latest version. Information on system requirements for this specific build.