Currently Notes client supports up to Citrix XenApp 7.18 for published Application.
HCL Notes 11.0.1 Fix Pack 2 System Requirements
However, Citrix XenApp/Virtual Apps has already been released in later versions.
Our customer wants Notes client to support Citrix Virtual Apps and Desktops 7 1912 LTSR or later release.
Citrix Product documentation
Citrix Virtual Apps and Desktops