Known issues specific to the CAS platform are listed in the CAS Known Issues article.
Performance analytics has the following known issue.
The Protocol facet in the Sessions and Users based self-service views lists only the current protocols of user sessions and not all supported session protocols. [WSA-6558]
Onboarding on-premises Citrix Virtual Apps and Desktops version 2109 to Citrix Analytics for Performance from Citrix Director might fail. Workaround: Upgrade Citrix Virtual Apps and Desktops to version 2112 and onboard to Citrix Analytics for Performance.[DIR -16070]